Hostname: page-component-77c89778f8-sh8wx Total loading time: 0 Render date: 2024-07-18T00:39:49.184Z Has data issue: false hasContentIssue false

A Monograph of the Western Hemisphere Bumblebees (Hymenoptera: Apidae; Bombinae)

Published online by Cambridge University Press:  03 April 2013

H. E. Milliron*
Affiliation:
Entomology Research Institute, Canada Department of Agriculture, Ottawa, Canada
Get access

Abstract

Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'
Type
Other
Copyright
Copyright © Entomological Society of Canada 1970

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

BIBLIOGRAPHY

Abe, S. 1932. The nest of Bombus diversus Smith. Kontyû 5: 245247.Google Scholar
Acerbi, J. 1802. Travels through Sweden, Finland and Lapland, to the North Cape, in the years 1798 and 1799. Vol. 2, 376 pp., 8 pls. (unnumbered). Mawman, London.Google Scholar
Adams, C. C., et al. 1920. Plants and animals of Mount Marcy, New York, II. Ecology 1(3): 204233 (pp. 212, 226, 231).Google Scholar
Akerberg, E., and Lesinš, S. K.. 1949. Insect pollinating alfalfa in central Sweden. A. Rep. agric. Coll., Sweden 16: 630643.Google Scholar
Alfken, J. D. 1889. Hymenopterologische beobachtungen. Abh. naturw. Ver. Bremen 10: 553555.Google Scholar
Alfken, J. D. 1898. Zwei färbungen von Bombus pratorum L. Ent. Nachr. 24(10): 158.Google Scholar
Alfken, J. D. 1900. Bombus soröensis F., form proteus Gerst. und seine farben-varietäten. Ent. Nachr. 26(12): 184190.Google Scholar
Alfken, J. D. 1909 a. Beitrage zur kenntnis der apidenfauna von Westpreussen. Ber. westpreuss. bot.-zool. Ver. (Danzig) 31: 101123.Google Scholar
Alfken, J. D. 1909 b. Beitrage zur kenntnis der apidenfauna von Ostpreussen. Schr. phys.-ökon. Ges. Konigsb. 50(h. 3): 320345.Google Scholar
Alfken, J. D. 1912 a. Die bienenfauna von Westpreussen. Ber. westpreuss. bot.-zool. Ver. (Danzig) 34: 194, taf. 1, 2.Google Scholar
Alfken, J. D. 1912 b. Die bienenfauna von Ostpreussen. Schr. phys.-ökon. Ges. Königsb. 53: 114182.Google Scholar
Alfken, J. D. 1913. Die bienenfauna von Bremen. Abh. naturw. Ver. Bremen 22 (h. 1): 1220.Google Scholar
Alfken, J. D. 1915. Beitrag zur bienenfauna von Ostfriesland. Festschr. naturf. Ges., Emden, pp. 197241.Google Scholar
Alfken, J. D. 1933. Ergebnisse einer zoologischen sammelreise nach Brasilien, insbesondere in das Amazonasgebiet, ausgeführt von Dr. H. Zerny. IX. Teil. Hymenoptera: Apidae. Annln naturh. Mus. Wien 46: 303307 (1932).Google Scholar
Alfken, J. D. 1935. Beitrag zur kenntnis der bienenfauna von Kleinasien. Ent. Rdsch. 52(10): 129132Google Scholar
Alfken, J. D. 1935. Beitrag zur kenntnis der bienenfauna von Kleinasien. Ent. Rdsch. 52(11): 148152Google Scholar
Alfken, J. D. 1935. Beitrag zur kenntnis der bienenfauna von Kleinasien. Ent. Rdsch. 52(12): 153162.Google Scholar
Alfken, J. D. 1936. Ueber eine bienenausbeute aus Venezuela. Veröff. dt. Kolon-u. Übersee-Mus. Bremen 1 (h. 3): 316320.Google Scholar
Alfken, J. D. 1940. Die insekten des naturschutzparkes der Lüneburger Heide. Abh. naturw. Ver. Bremen 31 (h. 4): 750762 (1939–40).Google Scholar
Alfken, J. D. 1878. Les insectes. Organisation-moeurs chasse-collection-classification. Histoire naturelle des orthoptères- neuroptères- hyménoptères- diptères- aptères, etc. Mus. Ent. 3: vii + 427 pp., 24 pls. (col.). (Edited by Rothchild, J., Paris.)Google Scholar
Alfken, J. D. 1945. Red clover and bumble bees (Bombus). Canterbury Chamber Com. agric. Bull. 190, 4 pp. (Canterbury Agric. Coll., N.Z.)Google Scholar
Argumosa y Valdes, J. A. 1949. “Bahnung” entomologico en la “Wistaria chinensis” D. C. Tomo extraord. R. Soc. cap. hist. nat., Madrid, pp. 174175 (1946).Google Scholar
Armbruster, L. 1914. Problème des hummelstaates. Biol. Zbl. 34: 685702, 1 pl., 1 fig.Google Scholar
Armbruster, L., and Oenike, G.. 1929. Die pollenformen als mittel zur honigherkunftbestimmung. Büch. Bienenk. X, pp. 1116, Neumünster.Google Scholar
Armitage, K. B. 1965. Notes on the biology of Philanthus bicinctus (Hymenoptera: Sphecidae). J. Kans. ent. Soc. 38(2): 89100.Google Scholar
Armstrong, E. A. 1953. Nidicoles and parasites of the wren. Ir. Nat. J. 11(3): 5764.Google Scholar
Ashmead, W. H. 1890. On the Hymenoptera of Colorado; descriptions of new species (Part 1), and a list of the species found in the State (Part 2). Colo. biol. Ass. Bull. 1, 32 pp.Google Scholar
Ashmead, W. H. 1894. The habits of the aculeate Hymenoptera—I. Psyche, Camb. 7: 1926; II, 7: 39–46; III, 7: 59–66; IV, 7: 75–79.Google Scholar
Ashmead, W. H. 1900. Report upon the aculeate Hymenoptera of the islands of St. Vincent and Grenada, with additions to the parasitic Hymenoptera and a list of the described Hymenoptera of the West Indies. Trans. R. ent. Soc. Lond., Pt. 2, pp. 207367.Google Scholar
Ashmead, W. H. 1902 a. A new bumble bee from Colorado. Ent. News 13: 50.Google Scholar
Ashmead, W. H. 1902 b. Papers from the Harriman Alaska Expedition XXVIII: Hymenoptera. Proc. Wash. Acad. Sci. 4: 117274, pls. ix–xi.Google Scholar
Ashmead, W. H. 1904. Insects, Part II. (Bombus, Psithyrus, pp. 129–137.) In: Harriman Alaska Expedition. Harr. Alask. Ser. (Smithson. Inst.), Vol. ix, ix + 284 pp. Doubleday, Page, New York.Google Scholar
Ashmead, W. H., et al. 1898. Reports upon the insects, spider, mites, and myriapods collected by Dr. L. Stejneger and Mr. G. E. H. Barrett-Hamilton on the Commander Islands. Appendix 1, pp. 328351. To: The fur seals and fur-seal islands of the North Pacific Ocean, Pt. 4, pp. 1–384, 113 pls. (89 pls., 24 maps). U.S. Gov. Printing Office, Washington.Google Scholar
Atanassov, N. 1939. Beitrag zur studium der hummel fauna Bulgariens. Mitt. bulgar. ent. Ges. Sofia 10: 91109.Google Scholar
Atwood, C. E. 1933. Studies on the Apoidea of western Nova Scotia with special reference to visitors to apple blossoms. Can. J. Res. 9: 443457.Google Scholar
Audoin, J. V. [with Lachat.] 1821. Observations sur les organes copulateurs mâle des bourdons. Ann. gén. Sci. Phys. 8: 285289.Google Scholar
Aurivillius, C. 1890. Grönlands insektsfauna. I: Lepidoptera, Hymenoptera. K. svenska Vetensk-Akad. Handl. 15 (afd. 4, No. 1): 133 + 1 p. index + 3 pls.Google Scholar
Aurivillius, C. 1903. Svensk insektfauna 13. Ent. Tidskr. 24: 129218.Google Scholar
Babiy, P. P. 1925. Neues zum hummelproblem. Z. wiss. Zool. 125: 502512, 2 figs.Google Scholar
Babiy, P. P. 1939. Apis griseocollis De Geer – Bombus separatus Cresson (Hymenoptera: Bombidae). Ent. News 50(1): 2223.Google Scholar
Babiy, P. P. 1954(?). Zur hummelfauna der Salzburger Landes. Mitt. naturw. ArbGemein Haus Nat. Salzb. 3–4: 2021 (19521953).Google Scholar
Bachmann, M. 19111912. Beobachtungen über blütenbesuchende insekten in der Eichstätter Alp. Mitt. munch. ent. Ges. 2: 74–80, 91–94 (1911); 3: 14–16, 28–32, 41–48, 59–64, 96105 (1912).Google Scholar
Bachmann, M. 19131914. Blütenbiologische spaziergänge. Int. ent. Z. (Guben) 27: 215216; 223–224, 230–231, 237 (1913); 28: 87–89, 93–95, 100–101, 106–107, 110–111, 114–115 (1914).Google Scholar
Bachmann, M. 1915. Biologische beobachtungen an hummeln. Mitt. munch. ent. Ges. 6: 71111.Google Scholar
Bachmann, M. 1916. Beobachtungen vor dem hummelnest. Int. ent. Z. (Guben) 29: 8990, 93–94, 98–99, 103–104; 30: 1–3.Google Scholar
Bachmann, M. 19161917. Vom farbensinn der bienen. Int. ent. Z. (Guben) 30: 6566, 69–70, 73–74, 77–78 (1916); 30: 82–83, 86–87 (1917).Google Scholar
Bailey, W. W. 1879. Humble bees and the Gerardia flava. Am. Nat. 13: 649.Google Scholar
Ball, P. J. 1914. Les bourdons de la Belgique. Ann. Soc. ent. Belg. 58: 77108, 1 pl.Google Scholar
Balles, H. 1930. Beiträge zur kenntnis der hymenopterenfauna Bodens: III–IV. Arch. Insektenk. Oberrheingeb. 2: 161202.Google Scholar
Banks, N. 1919. The Acarina collected by the Canadian Arctic Expedition, 1913–18. Rep. Can. Arctic Exped., Vol. III, Insects, pt. H, pp. IIH13H.Google Scholar
Barendrecht., G. 1931. Die Corpora peduculata bei die gattungen Bombus und Psithyrus. Acta zool. 12: 153204, 23 figs.Google Scholar
Barendrecht., G. 1941. Hommels uit het Noorden. Ent. Ber., Amst. 10: 331335.Google Scholar
Beal, W. G. 1874. The fertilization of gentians by humblebees. Am. Nat. 8: 180–181, 226.Google Scholar
Beal, W. G. 1887. Bumble bees a great help in fertilizing red clover (pp. 325–328). In: Grasses of North America. Thorpe & Godfrey, Lansing, Mich.Google Scholar
Beck, D. E. 1933. A morphological study of the male genitalia of various genera of bees. Utah Acad. Sci. 10: 89137, pls. 1–8.Google Scholar
Belt, T. 1878. The importation of bumble bees into New Zealand. Sci. Gossip 14: 8990.Google Scholar
Benary, H. 1900. Eine getäuschte hummel, III. Z. Ent. 5: 203.Google Scholar
Benetti, V. 1902. Ricerche biologiche sui bombi. Monitore zool. ital. 13 (suppl.): 3840.Google Scholar
Bengtsson, S. 1903. Studier och iakttagelser öfver humlor. Ark. Zool. 1: 197222.Google Scholar
Bennett, A. W. 1883. On the constancy of insects in their visits to flowers. J. Linn. Soc. (Zool.) 17: 175185.Google Scholar
Benoist, R. 1927. Bombus lapidarius L. st. atlanticus R. Ben. Bull. Soc. sci. nat., Maroc (1927): 212.Google Scholar
Benoist, R. 1928. Étude sur la faune des hyménoptères des Alpes Françaises. Annls Soc. ent. Fr. 97: 389417.Google Scholar
Benson, R. B., et al. 1937. Annex to 5th report of committee on general nomenclature, etc., pp. 81–94. In: The generic names of British insects. Part 5, pp. 81149. Royal Ent. Soc., London.Google Scholar
Bequaert, J. 1920 a. Scientific results of the Katmai Expedition of the National Geographic Society. Ohio J. Sci. 20: 292297.Google Scholar
Bequaert, J. 1920 b. Hymenoptera collected near Boston, Mass., with description of a variety of Bombus affinis. Psyche, Camb. 27: 612.Google Scholar
Bequaert, J. 1932. An arboreal nest of Bombus fervidus (Fabricius). Bull. Brooklyn ent. Soc. 27: 151.Google Scholar
Bequaert, J., and Plath, O. E.. 1925. Description of a new Psithyrus, with an account of Psithyrus laboriosus, and notes on bumble bees. Bull. Mus. comp. Zool. Harv. 67(6): 265288, 2 figs.Google Scholar
Berland, L. 1958. Nouvel atlas d'entomologie. Hyménoptères de France. Edit. N. Boubée, Paris, Vol. 2, Portaiguillon (fin.), 184 pp.Google Scholar
Bernard, F. 1951. Super-famille des Apoidea ou abeille (pp. 1198–1257). In: Traité de zoologie. Anatomie, Systématique, biologie. Tome X (Fasc. II), Hyménoptèroides, etc., pp. 9761948. Masson, Paris.Google Scholar
Bertoni, A. de W. 1911. Contribucion á la biologia de las avispas y abejas del Paraguay. An. Mus. nac. B. Aires 22 (ser. 3a, t. 15): 97146.Google Scholar
Bethune, C. J. S. 1878. Insects of the northern parts of British America (Family Bombidae, pp. 117–118). Can. Ent. 10: 116118. [A reprinted serial of Kirby's Fauna Boreali-Americana: Insecta.]Google Scholar
Bethune, C. J. S. 1884. Insects of the northern parts of British America. From: Kirby's Fauna Boreali-Americana. Idem., Can. Ent. (18701882). 170 pp.Google Scholar
Betts, A. D. 1920 a. Nosema in bumble bees. Bee World 1: 171.Google Scholar
Betts, A. D. 1920 b. The constancy of the pollen-collecting bee. Bee World 2: 1011.Google Scholar
Betts, A. D. 1935. The constancy of the pollen-collecting bee. Bee World 16: 111113.Google Scholar
Bingefors, S., Eskilsson, L., and Friden, F.. 1960. Insektsförekomst och frösättning i fröodlingar; Mälar—Hjälmarområdet år 1959. Svensk Frötidn. 1: 1115Google Scholar
Bingefors, S., Eskilsson, L., and Friden, F.. 1960. Insektsförekomst och frösättning i fröodlingar; Mälar—Hjälmarområdet år 1959. Svensk Frötidn. 2: 1721.Google Scholar
Bingham, C. T. 1894. On new and little-known Hymenoptera from India, Burma and Ceylon. J. Bombay nat. Hist. Soc. 8 (Pt. 3): 358389, 2 pls.Google Scholar
Bingham, C. T. 1896. New and little-known species of Indo-Malayan Hymenoptera, with a key to the genera of Indian Pompilidae, and a note on Sphex flava of Fabricius, and allied species. J. Bombay nat. Hist. Soc. 10 (Pt. 2): 195216, 2 pls.Google Scholar
Bingham, C. T. 1897. The fauna of British India. Hymenoptera, including Ceylon and Burma. Hymenoptera. Vol. 1, Wasps and bees, xxix + 579 pp., 4 pls.Google Scholar
Bingham, C. T. 1908. XXXII. Notes on aculeate Hymenoptera in the Indian Museum. Rec. Indian Mus. 2: 347368 (1908–09).Google Scholar
Bischoff, H. 1923. In: Biologie der Tiere Deutschlands. Lief 8, Teil 42, Hymenoptera, II, p. 146. (Herausg., Dr. P. Schulz.)Google Scholar
Bischoff, H. 1927. Biologie der hymenopteren (Eine naturgeschichte der hautflügler), vii + 598 pp. Springer, Berlin.Google Scholar
Bischoff, H. 1930 a. Entomologische ergebnisse der Schwedischen Kamtschatka Expedition 1920–1922. 29 Bombinae (Hymen.). Ark. Zool. 21A(19): 16.Google Scholar
Bischoff, H. 1930 b. [Bumblebees collected in the Alps.] In: Sitzungsberichte. Mitt. dt. ent. Ges., E. V., 1(8): 115116.Google Scholar
Bischoff, H. 1931. 4. Hymenoptera VII. Zur kenntnis einiger hummelnester aus dem Pamir. Mitt. zool. Mus. Berl. 16 (h. 6): 860864.Google Scholar
Bischoff, H. 1935 a. Gedanken zu einem näturlichen system der bienen (Hym. Apid.). Dt. ent. Z. (1934), pp. 324331.Google Scholar
Bischoff, H. 1935 b. Genus Bombus (Apidae, Hymen.). Wissenschaftliche ergebnisse der Niederlandischen Expedition in den Karakorum und die angrenzenden gebiete in den jahren 1922, 1925 und 1929/30. Bd. 1: 255256. Dr. Ph. C. Visser u. Jenny Visser-Hooft, Leipzig.Google Scholar
Bischoff, H. 1936. Schwedisch-chinesische wissenschaftliche expedition nach den nordwestlichen provinzen Chinas. Hymen. 10, Bombinae. Ark. Zool. 27A(38): 127.Google Scholar
Bischoff, H. 1937. Hymenoptera Aculeata (excl. Formicidae und Halictinae) von den Kanarischen Iseln. Commentat. biol. (Helsingfors) 6(10): 13.Google Scholar
Bischoff, H., and Hedicke, H.. 1931. Ueber einige von Illiger beschriebene apiden (Hym.). S.B. Ges. naturf. Freunde, Berlin, Nrs. 8–10: 385392 (1930).Google Scholar
Blanchard, E. 1840. Histoire naturelle des animaux articulés, etc. (Bombus, pp. 403–404). Vol. 3, 672 pp., 72 pls. Edited by Dumenil, P., Paris.Google Scholar
Blanchard, E. 1844. Description des collections. Insectes recueillis à l'Himalaya, par Victor Jacquemont. In: Voyage dans l'Inde, pendant les années 1828–1832, par Victor Jacquemont, 4: 1331.Google Scholar
Blanchard, E. 1868. Métamorphoses V des insectes moeurs et instincts. 715 pp. Baillière, Paris.Google Scholar
Blüthgen, P. 1918. Psithyrus vestalis Geoffr. und bohemicus Seidl (distinctus Pérez) (Hym.). Ent. Mitt. 7: 188197.Google Scholar
Blüthgen, P. 1919. Die bienenfauna Pommerns. Stettin. ent. Ztg 80: 65131.Google Scholar
Blüthgen, P. 1920. Zu “Psithyrus vestalis Geoffr. und bohemicus Seidl (distinctus Pérez)” (Hym.). Ent. Mitt. 9: 4344.Google Scholar
Blüthgen, P. 1925. Beiträge zur kenntnis der hymenopterenfauna des Saaletals. Stettin. ent. Ztg 85 (hfn. 1–2): 137172.Google Scholar
Blüthgen, P. 1929. Beiträge zur kenntnis der hymenopterenfauna des Saaletals 1. Nachtrag. Stettin. ent. Ztg 90 (hfn. 1–2): 7988.Google Scholar
Blüthgen, P. 1937. Beiträge zur kenntnis der hymenopterenfauna des Saaletals 2. Nachtrag. Stettin. ent. Ztg 98 (hf. 2): 232239.Google Scholar
Blüthgen, P. 1942. Die beinenfauna Pommerns. Stettin. ent. Ztg 103: 8191.Google Scholar
Boer, P. J. Den, and Vlengel, D. A.. 1949. Ethologische waarnemingen ann een nest van Bombus e. equestris (F.). Tijdschr. Ent. 91: 121134 (1948).Google Scholar
Bohart, G. E. 1947. Wild bees in relation to alfalfa pollination. Fm Home Sci. 8(4): 1314.Google Scholar
Bohart, G. E. 1957. Pollination of alfalfa and red clover. A. Rev. Ent. 2: 355380.Google Scholar
Bohart, G. E., and Knowlton, G. F.. 1952. Yearly population fluctuation of Bombus morrisoni at Fredonia, Arizona. J. econ. Ent. 45: 890891.Google Scholar
Boiko, A. K. 1948. [New type of myiasis in bumble bees.]Akad. nauk SSSR, Dok. 61: 423424. (In Russian.)Google Scholar
Boiko, A. K. 1949. Senotainioz pchel. “Bolezni Pchel.”XXVII Sess., Vet. Sect., All-Union Lenin Agric. Acad. 168: 115135. (In Russian.)Google Scholar
Bols, J. H. 1937. Observations on Bombus and Psithyrus, especially on their hibernation. Proc. R. ent. Soc. Lond., Ser. A, 12(4–6): 4750, pl. 1.Google Scholar
Bordas, L. 1893 a. Sur l'appareil génital mâle des hyménoptères. C. r. Acad. Sci. 117: 746748.Google Scholar
Bordas, L. 1893 b. Appareil génital mâle des hyménoptères de la tribu des Bombinae. C. r. Soc. Philom., No. 4, pp. 24.Google Scholar
Bordas, L. 1894. Appareil génital mâle des Bombinae. Bull. Soc. philomath. Paris (8) 6: 4158.Google Scholar
Boulange, H. 1924. Recherches sur l'appareil copulateur des hyménoptères et spécialement des chalastrogastres. Mém., Trav. Facul. Cathol. Lille, Fasc. 28, 444 pp., pls. 1–3.Google Scholar
Bowles, G. J. 1879. Notes on the humble bees. [10th] Rep. ent. Soc. Ont. (Canada), pp. 3133.Google Scholar
Bradley, A. E. 1922. Variation in the genus Psithyrus Lep. in the neighbourhood of Leeds. Entomologist's mon. Mag. 58: 141142.Google Scholar
Bradley, J. C. 1921 (1920). Some features of the hymenopterous fauna of South America. Acta Soc. sci. Chile (Santiago) 30: 5174.Google Scholar
Brauns, H. 1891. Aus der fauna Meklenburg's (Schluss). Ent. Nachr. 17(8): 119125. (Re: Nest of Bombus cognatus Steph., and brief remarks on some other species, pp. 120–121.)Google Scholar
Brèthes, J. 1920. Insectes du Pérou. An. Soc. sci. argent. 89: 2754.Google Scholar
Brèthes, J. 1926. Coleopteres et hymenopteres du Cuzco (Peru). Revta chil. Hist. nat. 29: 4448.Google Scholar
Brian, A. D. 1951 a. The pollen collected by bumble-bees. J. Anim. Ecol. (Lond.) 20: 191194.Google Scholar
Brian, A. D. 1951 b. Brood development in Bombus agrorum (Hym., Bombidae). Entomologist's mon. Mag. 87: 207212.Google Scholar
Brian, A. D. 1952. Division of labour and foraging in Bombus agrorum Fabricius. J. Anim. Ecol. (Lond.) 21: 223240, 1 fig.Google Scholar
Brian, A. D. 1954. The foraging of bumble bees. Bee World 35: 6181.Google Scholar
Brian, A. D. 1957. Differences in the flowers visited by four species of bumble-bees and their causes. J. Anim. Ecol. (Lond.) 26: 71.Google Scholar
Brian, M. V., and Brian, A. D.. 1948. Regulation of oviposition in social Hymenoptera. Nature, Lond. 161: 854856.Google Scholar
Brinck, P., and Wingstrand, K. G.. 1949. The mountain fauna of the Virihaure area in Swedish Lapland. I: General account. K. fysiogr. Sällsk. Handl., N.F., 60(2): 70 pp., 25 figs.Google Scholar
Brinck, P., and Holgersen, H.. 1951. Hymenoptera Aculeata (pp. 60–68). In: Brinck, Wingstrand et. al., The mountain fauna of the Virihaure area in Swedish Lapland, II: Special account. K. fysiogr. Sällsk. Handl. 61(2): 173 pp., 13 figs.Google Scholar
Brischke, C. G. A. 1887. Hymenoptera Aculeata der provinzen West– und Ostpreussen. Neu-bearbeitet. Schr., naturf. Ges., Danzig 7 (h. 1): 85107 (pp. 85–86).Google Scholar
Brittain, W. H., and Newton, D. E.. 1933. A study in the relative constancy of hive bees and wild bees in pollen gathering. Can. J. Res. 9: 334349.Google Scholar
Britton, N. L. 1884. Dicentra punctured by humble-bees. Bull. Torrey bot. Club 11: 6667.Google Scholar
Britton, W. E. 1920. Check-list of the insects of Connecticut. Conn. St. geol. nat. Hist. Surv. Bull. 31, 307 pp.Google Scholar
Brodie, W., and White, J. E.. 1883 a. Check-list of the insects of the Dominion of Canada. Nat. Hist. Soc., Toronto, IV + 67 pp.Google Scholar
Brodie, W., and White, J. E.. 1883 b. Label list of the insects of the Dominion of Canada. Nat. Hist. Soc., Toronto 66 + 3 unnumb. pp.Google Scholar
Buckell, E. R. 1951. Records of bees from British Columbia; Bombidae. Proc. ent. Soc. Br. Columb. 47: 724, 1 fig.Google Scholar
Bugnion, E. 1927. La biologie des bourdons. Riv. Sci. (Nice) 14: 133.Google Scholar
Bundy, W. E. 1876. Flowers of the golden currant perforated by humble-bees. Am. Nat. 10: 238.Google Scholar
Burck, W. 1891. Ueber das anbohren der blumenkrone durch bienen und hummeln. Annls Jard. bot. Buitenz. 10: 81119.Google Scholar
Burgelhaus, F. H. 1901. Fertilization of the closed gentian by bumblebees. Plant World 4: 33.Google Scholar
Burks, B. D. 1951. Tribe Bombini (pp. 1247–1255). In: Muesebeck et al., Hymenoptera of America north of Mexico. Synoptic catalog. Agriculture Monogr. 2: 11420. U.S. Dep. Agric., Washington.Google Scholar
Burtt, B. D. 1923. The occurrence of Bombus cullumanus ♂ ♂ near Reading. Entomologist's mon. Mag. 59: 9192.Google Scholar
Busnel, R. G., and Drilhon, A.. 1941. La riboflavine (vitamin B2 dans la glande a venin des hymenopteres. C. r. Soc. biol. (Paris) 135: 10081009.Google Scholar
Buttel-Reepen, H. v. 1903 a. Die phylogenetische entstehung des bienenstaates, sowie mitteilungen zur biologie der solitären und sozialen apiden. Biol. Zbl. 23: 4–31, 89–108, 129–154, 183195.Google Scholar
Buttel-Reepen, H. 1903 b. Die stammesgeschichtliche entstehung des bienenstaates, sowie beiträge zur lebensweise der solitären u. sozialen bienen (hummeln, meliponinen etc.). 138 pp. Thieme, Leipzig.Google Scholar
Buttel-Reepen, H. 1906. Apistica, beiträge zur systematik, biologie, sowie zur geschichtlichen und geographischen verbreitung der honigbiene (Apis mellifica L.), ihrer varietaten und der übrigen Apis-arten. Mitt. zool. Mus. Berl. 3(2):117201.Google Scholar
Buttel-Reepen, H. 1907. Zur Psychobiologie der hummeln, I. Biol. Zbl. 27: 279–587, 604613.Google Scholar
Buttel-Reepen, H. 1914. Dysteleologen in der natur. (Zur psychobiologie der hummeln, II.) Biol. Zbl. 34: 664684.Google Scholar
Buttel-Reepen, H. 1915. Leben und wesen der bienen. xii + 300 pp., 1 table. Viehweg u. Sohn, Braunschweig.Google Scholar
Cameron, P. 1903. Descriptions of new species of Hymenoptera taken by Mr. Edward Whymper on the “Higher Andes of the Equator.” Trans. Am. ent. Soc. 29: 225238.Google Scholar
Campbell, J. 1870. Queen humble-bee. Am. Ent., Bot. 2(10): 303.Google Scholar
Carl, G. C., Guiguet, C. J., and Hardy, G. A.. 1950. Biology of the Scott Island Group, Br. Columbia. Prov. Mus. nat. Hist., Br. Columb. 1950 Rep., pp. 2163.Google Scholar
Cavro, E. 1950. Catalogue des hyménoptères du Département du Nord et régions limitrophes. I: Aculeates. Suppl., Bull. Soc. ent. N. Fr., No. 52, 86 pp.Google Scholar
Cederhjelm, J. 1798. Faunae Ingricae prodromus, etc. XVIII + 348 pp., 3 col. pls. Hartknoch, Lipsiae.Google Scholar
Chambers, V. H. 1949. The Hymenoptera Aculeata of Bedfordshire. Trans. Soc. Br. Ent. 9 (Pt. 4): 197252.Google Scholar
Chandler, L. 1950. The Bombidae of Indiana. Proc. Indiana Acad. Sci. 60: 167177.Google Scholar
Chandler, L. 1954. Color variation in some common species of bumble bees (Hymenoptera, Bombidae). Proc. Indiana Acad. Sci. 63: 165167 (1953).Google Scholar
Chandler, L. 1956. Parallel color variation in Bombus impatiens Cr. and Bombus bimaculatus Cr. (Hymenoptera, Apidae). Proc. Indiana Acad. Sci. 65: 116117 (1955).Google Scholar
Chiu, S. C. 1948. Revisional notes on the Formosan bombidfauna (Hymenoptera). Notes Ent. chin. (Mus. Heude) (Shanghai) 12(7): 5781, 4 figs.Google Scholar
Cholodkovsky, N. 1884. Ueber den hummelstachel und seine bedeutung für systematik. Zool. Anz. 7: 312316.Google Scholar
Christ, J. L. 1791. Naturgeschichte, klassification, und nomenclatur der insekten vom bienen, wespen, und ameisengeschlecht. 576 pp., 60 pls. (col.).Google Scholar
Christy, R. M. 1883. On the methodic habits of insects when visiting flowers. J. Linn. Soc. (zool.) 17: 186194.Google Scholar
Church, N. S. 1960 a. Heat loss and the body temperatures of flying insects. I: Heat loss by evaporation of water from the body. J. exp. Biol. 37(1): 171185, pl. 2.Google Scholar
Church, N. S. 1960 b. Heat loss and the body temperatures of flying insects. II: Heat conduction within the body and its loss by radiation and convection. J. exp. Biol. 37(1): 186212, pl. 3.Google Scholar
Claude-Joseph, F. 1926. Recherches biologiques sur les hyménoptères du Chile (Mellifères). Annls Sci. nat., Zool., Ser. 10, 9: 113268.Google Scholar
Clements, F. E., and Long, F. L.. 1923. Experimental pollination. An outline of the ecology of flowers and insects. Carneg. Instn., vii + 274 pp., 17 pls. Washington.Google Scholar
Cockerell, T. D. A. 1890. Notes on the insect fauna of high altitudes in Custer County, Colorado. Can. Ent. 22: 3739.Google Scholar
Cockerell, T. D. A. 1898 a. Tables for the determination of New Mexico bees. Bull. Univ. N. Mex. 1(1): 171.Google Scholar
Cockerell, T. D. A. 1898 b. Notes on bees taken at Albuquerque, New Mexico, in September, 1897. Bull. Univ. N. Mex. 1(1): 7273.Google Scholar
Cockerell, T. D. A. 1898 c. XXXVII–New North-American insects. Including: “IV–A new humble bee from the Pribilof Islands,” (pp. 324–326). Ann. Mag. nat. Hist., Ser 7, 2: 321331.Google Scholar
Cockerell, T. D. A. 1899 a. Catálogo de las abejas de Mexico. Biblio. Agric., Secret. de Fomento, Mexico, 20 pp.Google Scholar
Cockerell, T. D. A. 1899 b. Notes on American bees. Entomologist 32: 154159.Google Scholar
Cockerell, T. D. A. 1899 c. The bees of Kansas. Ent. News 10: 34.Google Scholar
Cockerell, T. D. A. 1900. Observations on bees collected at Las Vegas, New Mexico, and in adjacent mountains. Ann. Mag. nat. Hist., Ser. 7, 5: 401416.Google Scholar
Cockerell, T. D. A. 1901. In: Some insects of the Hudsonian zone in New Mexico. III: Hymenoptera, Apoidea. Psyche, Camb. 9: 163164.Google Scholar
Cockerell, T. D. A. 1902 a. Hymenoptera of southern California, I. Bull. Sth. Calif. Acad. Sci. 1(6): 70.Google Scholar
Cockerell, T. D. A. 1902 b. Flowers and insects in New Mexico. Am. Nat. 36(430): 809817.Google Scholar
Cockerell, T. D. A. 1903 a. A catalogue of the bees of California. Psyche, Camb. 12: 7478.Google Scholar
Cockerell, T. D. A. 1903 b. Footnote to W. P. Cockerell, Trip to Truchas Peaks. Am. Nat. 37: 887891 (p. 891). (q.v.)Google Scholar
Cockerell, T. D. A. 1904 a. Some bees from San Miguel County, New Mexico. Entomologist 37: 59.Google Scholar
Cockerell, T. D. A. 1904 b. The bees of southern California, V. Bull. Sth. Calif. Acad. Sci. 3(6): 8690.Google Scholar
Cockerell, T. D. A. 1905 a. New bees from Colorado. Ent. News 16: 270272.Google Scholar
Cockerell, T. D. A. 1905 b. Descriptions and records of bees, I. Ann. Mag. nat. Hist., Ser. 7, 16: 216225.Google Scholar
Cockerell, T. D. A. 1905 c. Descriptions and records of bees, III. Ann. Mag. nat. Hist. Ser 7, 16: 301308.Google Scholar
Cockerell, T. D. A. 1905 d. Descriptions and records of bees, IV. Ann. Mag. nat. Hist. Ser 7, 16: 392403.Google Scholar
Cockerell, T. D. A. 1905 e. Tables for the separation of some bees of the genera Coelioxys and Colletes. Psyche, Camb. 12: 8590.Google Scholar
Cockerell, T. D. A. 1906 a. New Rocky Mountain bees, and other notes. Can. Ent. 38: 160166.Google Scholar
Cockerell, T. D. A. 1906 b. The bees of New Mexico. Trans. Am. ent. Soc. 32: 289314.Google Scholar
Cockerell, T. D. A. 1906 c. The bees of Florissant, Colorado. (Art. XXV). Bull. Am. Mus. nat. Hist. 22: 419455.Google Scholar
Cockerell, T. D. A. 1906 d. Fossil Hymenoptera from Florissant, Colorado. Bull. Mus. comp. Zool. Harv. 50(2): 3358.Google Scholar
Cockerell, T. D. A. 1906 e. Descriptions and records of bees, XII. Ann. Mag. nat. Hist., Ser 7, 18: 6975.Google Scholar
Cockerell, T. D. A. 1907 a. New American bees, IV. Entomologist 40(528): 97100.Google Scholar
Cockerell, T. D. A. 1907 b. The bees of Boulder County, Colorado. Univ. Colo. Stud. 4: 239259.Google Scholar
Cockerell, T. D. A. 1908 a. Descriptions and records of bees, XIX. Ann. Mag. nat. Hist., Ser 8, 1: 337344.Google Scholar
Cockerell, T. D. A. 1908 b. Descriptions and records of bees, XX. Ann. Mag. nat. Hist. Ser 8, 2: 323334.Google Scholar
Cockerell, T. D. A. 1909 a. Two new bees. Can. Ent. 41: 3537.Google Scholar
Cockerell, T. D. A. 1909 b. Some European fossil bees. Entomologist 42: 313317.Google Scholar
Cockerell, T. D. A. 1909 c. Descriptions of Hymenoptera from Baltic amber. (In: Mitt. geol.-palaeont. Inst., Univ. Königs.) Schr. phys.-ökon. Ges. Königsb. (Jb.) 50 (h. 1): 120.Google Scholar
Cockerell, T. D. A. 1909 d. Some additional bees from Prussian amber. Schr. phys.-ökon. Ges. Königsb. (Jb.) 50 (h. 1): 2125.Google Scholar
Cockerell, T. D. A. 1909 e. Descriptions and records of bees, XXIII. Ann. Mag. nat. Hist., Ser 8, 4: 393404.Google Scholar
Cockerell, T. D. A. 1910 a. Descriptions and records of bees. XXVIII. Ann. Mag. nat. Hist. Ser. 8, 5: 409419.Google Scholar
Cockerell, T. D. A. 1910 b. Descriptions and records of bees XXIX. Ann. Mag. nat. Hist. Ser. 8. 5: 496506.Google Scholar
Cockerell, T. D. A. 1910 c. Some bees from Eldora, Colorado. Psyche, Camb. 17(6): 244247.Google Scholar
Cockerell, T. D. A. 1910 d. Some bees from high altitudes in the Himalaya Mountains. Entomologist 43: 238242.Google Scholar
Cockerell, T. D. A. 1910 e. An introduction to the study of Rocky Mountain bees. Univ. Colo. Stud. 7(3): 179187, 50 figs.Google Scholar
Cockerell, T. D. A. 1910 f. The bee fauna of Calgary, Alberta. Can. Ent. 42: 25.Google Scholar
Cockerell, T. D. A. 1910 g. Some insects collected in northern Colorado in 1909. Univ. Colo. Stud. 7: 126130.Google Scholar
Cockerell, T. D. A. 1911 a. The humble bees of Formosa. Entomologist 44: 100102.Google Scholar
Cockerell, T. D. A. 1911 b. Bees from the Himalaya Mountains. Entomologist 44: 176177.Google Scholar
Cockerell, T. D. A. 1911 c. Bees in the collection of the United States National Museum, I. Proc. U.S. natn. Mus. 39: 635658.Google Scholar
Cockerell, T. D. A. 1912 a. New bees from Brazil. Psyche, Camb. 19:4161.Google Scholar
Cockerell, T. D. A. 1912 b. Some bees from Guatemala. Psyche, Camb. 19: 105106.Google Scholar
Cockerell, T. D. A. 1912 c. Descriptions and records of bees, XLV. Ann. Mag. nat. Hist., Ser. 8, 10: 2131.Google Scholar
Cockerell, T. D. A. 1912 d. Collecting bees at Gualan, Guatemala. Can. Ent. 44: 277282.Google Scholar
Cockerell, T. D. A. 1912 e. Descriptions and records of bees, XLVII. Ann. Mag. nat. Hist., Ser. 8, 10: 484494.Google Scholar
Cockerell, T. D. A. 1912 f. Animals and plants described as new from Colorado in 1911. Univ. Colo. Stud. 9(2–3): 7589.Google Scholar
Cockerell, T. D. A. 1913 a. Descriptions and records of bees. L. Ann. Mag. nat. Hist., Ser. 8, 11: 273283.Google Scholar
Cockerell, T. D. A. 1913 b. Descriptions and records of bees. LIII. Ann. Mag. nat. Hist. Ser 8, 12: 103110.Google Scholar
Cockerell, T. D. A. 1913 c. Remarks on fossil insects. Proc. ent. Soc. Wash. 15(3): 123126.Google Scholar
Cockerell, T. D. A. 1914. Bees from Ecuador and Peru. Jl N.Y. ent. Soc. 22: 306328.Google Scholar
Cockerell, T. D. A. 1915 a. Notes on orchids. Bot. Gaz. 59(4): 331333.Google Scholar
Cockerell, T. D. A. 1915 b. Animals and plants described as new from Colorado in 1912, 1913 and 1915. Univ. Colo. Stud. 11(4): 213251.Google Scholar
Cockerell, T. D. A. 1915 c. Notes on some bees from Virginia. Proc. ent. Soc. Wash. 17(1): 35.Google Scholar
Cockerell, T. D. A. 1915 d. Descriptions and records of bees, LXVII. Ann. Mag. nat. Hist., Ser. 8, 15: 529537.Google Scholar
Cockerell, T. D. A. 1915 e. Descriptions and records of bees. LXX. Ann. Mag. nat. Hist. Ser. 8, 16: 482489.Google Scholar
Cockerell, T. D. A. 1916. Bees from the northern peninsula of Michigan. Mus. Zool. Univ. Mich. Occ. Pap. 23, 10 pp.Google Scholar
Cockerell, T. D. A. 1917 a. Two new humble-bees from China. Entomologist 50: 265266.Google Scholar
Cockerell, T. D. A. 1917 b. New social bees. Psyche, Camb. 24(4): 120128.Google Scholar
Cockerell, T. D. A. 1918. Bees from British Guiana. Bull. Am. Mus. nat. Hist. 38: 685690.Google Scholar
Cockerell, T. D. A. 1919 a. The social bees of the Philippine Islands. Philipp. J. Sci. 14(1): 7781.Google Scholar
Cockerell, T. D. A. 1919 b. The bees of the Rocky Mountain National Park (Hymenop.). Ent. News 30: 286294.Google Scholar
Cockerell, T. D. A. 1919 c. The bees of Gold Hill, Colorado. Can. Ent. 51(12): 271273.Google Scholar
Cockerell, T. D. A. 1919 d. The bees of Peaceful Valley, Colorado. Jl N.Y. ent. Soc. 27(4): 298300.Google Scholar
Cockerell, T. D. A. 1919 e. Descriptions and records of bees, LXXXVII. Ann. Mag. nat. Hist., Ser. 9, 4: 355360.Google Scholar
Cockerell, T. D. A. 1920. Supplementary notes on the social bees of the Philippine Islands. Philipp. J. Sci. 16(6): 631632.Google Scholar
Cockerell, T. D. A. 1921. Descriptions and records of bees, XCI. Ann. Mag. nat. Hist., Ser. 9, 8: 359368.Google Scholar
Cockerell, T. D. A. 1922. Bees in the collection of the U.S. National Museum. Proc. U.S. nat. Mus. 60(2413): 120.Google Scholar
Cockerell, T. D. A. 1923. A bee-collecting trip across the plains (Hym.: Apoidea, Sphecoidea). Ent. News 34: 4550.Google Scholar
Cockerell, T. D. A. 1924. A bee collecting trip to Chimney Rock, Wyoming. Ent. News 35: 347351.Google Scholar
Cockerell, T. D. A. 1925. Some bees from the Pyrenees. Entomologist 58: 157160.Google Scholar
Cockerell, T. D. A. 1928. Bees collected in Siberia in 1927. Ann. Mag. nat. Hist., Ser. 10, 1: 345361.Google Scholar
Cockerell, T. D. A. 1929 a. Descriptions and records of bees, CXIV. Ann. Mag. nat. Hist., Ser. 10, 3: 195204.Google Scholar
Cockerell, T. D. A. 1929 b. Descriptions and records of bees CXVIII. Ann. Mag. nat. Hist., Ser. 10, 4: 142152.Google Scholar
Cockerell, T. D. A. 1929 c. Some results of a journey to Kaieteur Falls, British Guiana. Ann. Mag. nat. Hist., Ser. 10, 4: 439444.Google Scholar
Cockerell, T. D. A. 1930 a. The bees of Australia. Aust. Zool. 6(2): 137156 (cont'd.).Google Scholar
Cockerell, T. D. A. 1930 b. Bees from Mesa Verde, Colorado, in the American Museum of Natural History. Am. Mus. Novit., No. 397, 8 pp.Google Scholar
Cockerell, T. D. A. 1930 c. Descriptions and records of bees, CXXII. Ann. Mag. nat. Hist., Ser. 10, 5: 156163.Google Scholar
Cockerell, T. D. A. 1930 d. Descriptions and records of bees CXXIII. Ann. Mag. nat. Hist., Ser. 10, 5: 405411.Google Scholar
Cockerell, T. D. A. 1931 a. II: Insects from the Miocene (Latah) of Washington. Ann. ent. Soc. Am. 24: 307312, pl. 1.Google Scholar
Cockerell, T. D. A. 1931 b. Bees obtained by Professor Claude R. Kellog in the Foochow district, China, with new records of Philippine Bombidae. Am. Mus. Novit., No. 480, 7 pp.Google Scholar
Cockerell, T. D. A. 1931 c. Descriptions and records of bees, CXXVI. Ann. Mag. nat. Hist., Ser. 10, 7: 273280.Google Scholar
Cockerell, T. D. A. 1933. Bees collected by Mrs. Maurice T. James in Pingree Park, Colorado. Ann. ent. Soc. Am. 26(1): 4044.Google Scholar
Cockerell, T. D. A. 1936 a. Bees from northern California. Pan-Pacif. Ent. 12: 133164.Google Scholar
Cockerell, T. D. A. 1936 b. The entomology of Prince Albert National Park, Saskatchewan. Can. Ent. 68: 8588.Google Scholar
Cockerell, T. D. A. 1937. Bees from San Miguel Island, California. Pan-Pacif. Ent. 13: 148157.Google Scholar
Cockerell, T. D. A. 1938 a. Bees from Prince Albert Park, Saskatchewan. Am. Mus. Novit., No. 983, pp. 14.Google Scholar
Cockerell, T. D. A. 1938 b. Bees collected on the California islands in the spring of 1938. Trans. San Diego Soc. nat. Hist. 9(9): 3738.Google Scholar
Cockerell, T. D. A. 1939. Life and habits of bumblebees. Scient. Mon. (December) 49: 554557.Google Scholar
Cockerell, T. D. A. 1949. Bees from Central America, principally Honduras. Proc. U.S. nat. Mus. 98(3233): 429490.Google Scholar
Cockerell, T. D. A., and McNary, J.. 1902. Notes on the mouthparts of Bombus. Can. Ent. 34: 7172.Google Scholar
Cockerell, T. D. A., and Porter, W.. 1899 a. Contributions from the New Mexico Biological Station. VIII: The New Mexico bees of the genus Bombus. Ann. Mag. nat. Hist., Ser. 7, 4: 386393.Google Scholar
Cockerell, T. D. A. 1899 b. Contributions from the New Mexico Biological Station. VII: Observations on bees, with descriptions of new genera and species. Ann. Mag. nat. Hist., Ser. 7, 4: 403421.Google Scholar
Cockerell, T. D. A., et al. 1901. Some insects of the Hudsonian Zone in New Mexico, III. Psyche, Camb. 9: 163164.Google Scholar
Cockerell, W. P. 1903 a. The red-tailed bumble-bee's nest. Birds and Nature 13: 1718.Google Scholar
Cockerell, W. P. 1903 b. A trip to the Truchas Peaks, New Mexico. Am. Nat. 37: 887891.Google Scholar
Cockerell, W. P. 1917. Collecting bees in southern Texas. Jl N.Y. ent. Soc. 25(3): 187193.Google Scholar
Cockle, J. W. 1913. Strange action of Bombus occidentalis. Can. Ent. 45: 347348.Google Scholar
Comba, M. 1960. Contributo alla conoscenza dei Bombus Latr. e Psithyrus Lep. delle Valli del Pellice, Angrona, Germanasca (Alpi Cozie) (Hymenoptera, Apidae). Fragm. ent. (Inst. Naz. Ent.), 3 (fasc. 8): 163201.Google Scholar
Coville, F. V. 1889. Note. In: Proceedings, Entomological Society, Washington. Insect Life 1: 295.Google Scholar
Coville, F. V. 1890. Notes on bumble-bees. Proc. ent. Soc. Wash. 1: 197203.Google Scholar
Craig, C. H. 1953. Psithyrus insularis (Sm.) in a nest of Bombus ternarius Say (Hymenoptera: Bombidae). Can. Ent. 85: 311312.Google Scholar
Crawford, J. C. 1906. Some Costa Rican bees. Trans. Am. ent. Soc. 32: 157163.Google Scholar
Crawford, J. C., and Swenk, M.. 1903. A new Bombus from Costa Rica. Can. Ent. 35: 268.Google Scholar
Cresson, E. T. 1863 a. List of the North American species of Bombus and Apathus. Proc. ent. Soc. Philad. 2: 83116.Google Scholar
Cresson, E. T. 1863 b. In: Written communications. Proc. ent. Soc. Philad. 2: 164166.Google Scholar
Cresson, E. T. 1864. Descriptions of several new species of North American Apidae. Proc. ent. Soc. Philad. 3: 3843.Google Scholar
Cresson, E. T. 1872. Hymenoptera Texana. Trans. Am. ent. Soc. 4: 153292.Google Scholar
Cresson, E. T. 1874. Descriptions of new Hymenoptera. Trans. Am. ent. Soc. 5: 99102.Google Scholar
Cresson, E. T. 1875. Report upon the collections of Hymenoptera made in portions of Nevada, Utah, Colorado, New Mexico, and Arizona, during the years 1872, 1873 and 1874. In: Rep. U.S. Geograph. Explor. & Surv. (Wheeler), 100th Merid., Zool-Insects, Vol. 5, pp. 707728, pls. xxxiii, xxxiv.Google Scholar
Cresson, E. T. 1876. List of Hymenoptera collected by J. Duncan Putnam, of Davenport, Iowa, with descriptions of two new species. Proc. Davenport Acad. nat. Sci. 1: 206211, pl. xxxv.Google Scholar
Cresson, E. T. 1878. Descriptions of new species of North American bees. Proc. Acad. nat. Sci. Philad., pp. 181221.Google Scholar
Cresson, E. T. 1879 a. Catalogue of North American Apidae. Trans. Am. ent. Soc. 7: 215232.Google Scholar
Cresson, E. T. 1879 b. Hymenoptera (p. 159). In: Kumlien et al., Contributions to the natural history of Arctic America, the Howgate Polar Expedition, 1877–78. U.S. nat. Mus. Bull. 15, 179 pp. (Smithson. misc. Collns 23 (Art. 5): 1–179.)Google Scholar
Cresson, E. T. 1879 c. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Trans. Am. ent. Soc. 7: 201214.Google Scholar
Cresson, E. T. 1887. Synopsis of the families and genera of Hymenoptera of America North of Mexico. Trans. Am. ent. Soc., Suppl. vol., vi + 350 pp.Google Scholar
Cresson, E. T. 1916. The Cresson types of Hymenoptera. Mem. Am. ent. Soc. 1, 1141.Google Scholar
Cresson, E. T. Jr., 1928. The types of Hymenoptera in the Academy of Natural Sciences of Philadelphia other than those of Ezra T. Cresson. Trans. Am. ent. Soc. 5: 190.Google Scholar
Criddle, N., et al. 1924. The entomological record, 1923. 54th Rep. ent. Soc. Ont. (Canada), pp. 87102 (1923).Google Scholar
Cumber, R. A. 1949 a. Humble-bee parasites and commensals found within a thirty mile radius of London. Proc. R. ent. Soc. Lond. (A) 24 (Pts. 10–12): 119127.Google Scholar
Cumber, R. A. 1949 b. The biology of humble-bees (Bombus), with special reference to the production of the worker caste. Trans. R. ent. Soc. Lond. 100(1): 145.Google Scholar
Cumber, R. A. 1949 c. Larval specific characters and instars of English Bombidae. Proc. R. ent. Soc. Lond. (A) 24: 1419, 6 figs.Google Scholar
Cumber, R. A. 1949 d. An overwintering nest of the humble-bee Bombus terrestris (L.) (Hymenoptera, Apidae). N.Z. Sci. Rev. 7: 9697.Google Scholar
Cumber, R. A. 1953 a. Life cycle of the humble bee. N.Z. Sci. Rev. 11: 9298.Google Scholar
Cumber, R. A. 1953 b. Some aspects of the biology and ecology of humble-bees upon the yields of red clover seed in New Zealand. N.Z. J. Sci. Tech. Bull. 34, pp. 227240, 1 fig.Google Scholar
Cumber, R. A. 1954. The life-cycle of humble-bees in New Zealand. N.Z. J. Sci. Tech. Bull. 36, pp. 95107.Google Scholar
Cumber, R. A. 1959. The insect complex of sown pastures in the North Island. V. The Hymenoptera as revealed by summer sweep-sampling. N.Z. J. Agric. Res. 2(5): 874897.Google Scholar
Curtis, J. 1833. British entomology. Vol. 10, pp. 434481a and accomp. pls. (pl. 468).Google Scholar
Curtis, J. 1835 a. Insects. Descriptions, etc. of the insects brought home by Commander James Clark Ross (pp. lix-lxxx, 1 pl.). In: Appendix to the narrative of a second voyage in search of a north-west passage, etc., by Sir John Ross, London, 1835.Google Scholar
Curtis, J. 1835 b. British entomology. Vol. 12, pp. 530577 and accomp. pls. (pl. 564).Google Scholar
Curtis, J., Haliday, A. H., and Walker, F.. 1836. XV: Descriptions, etc. of the insects collected by Captain P. P. King, R. N., F. R. S., in the survey of the Straits of Magellan. Trans. Linn. Soc., Lond. 17 (Pt. 3): 315359.Google Scholar
Dahlbom, A. G. 1832. Bombi Scandinaviae monographice tractato et iconibus illustrati. 55 pp., 1 pl. (37 figs.), Londini Gothorum.Google Scholar
Dahlbom, A. G. 18391840. Synopsis hymenopterologiae Scandinavicae. 104 pp., 1 tab., 5 pls., Berling, Lund.Google Scholar
Dalla Torre, K. W. C. G. v. 1878. Beitrag zur kenntnis der hymenopterenfauna Tirols. Naturw. Abh., Innsbruck 2: 259278.Google Scholar
Dalla Torre, K. W. C. G. 1880. Unsere hummel- (Bombus) arten. Der Naturhist. 2(4): 30Google Scholar
Dalla Torre, K. W. C. G. 1880. Unsere hummel- (Bombus) arten. Der Naturhist. 2(5): 4041.Google Scholar
Dalla Torre, K. W. C. G. 1882. Bemerkungen zur gattung Bombus Latr., II. Ber. naturw.-med. Ver., Innsbruck 12: 1431.Google Scholar
Dalla Torre, K. W. C. G. 1885. Zur biologie von Bombus Gerstaeckeri Mor. (B. opulentus Gerst.). Zool. Anz. 8: 691693.Google Scholar
Dalla Torre, K. W. C. G. 1886. Heterotrophie. Ein beitrag zur insektenbiologie. Kosmos 18: 1219.Google Scholar
Dalla Torre, K. W. C. G. 1890. Hymenopterologische notizen. Wien. ent. Ztg 9: 139.Google Scholar
Dalla Torre, K. W. C. G. 1896. Catalogus Hymenopterorum. X, Apidae. viii + 643 pp. Lipsiae.Google Scholar
Dalla Torre, K. W. C. G. v., and Friese, H.. 1894. Synonymischer katalog der Europäischen schmarotzerbienen. Ent. Nachr. 20(3): 3343.Google Scholar
Dalla Torre, K. W. C. G. v., and Friese, H.. 1895. Synonymischer katalog der Europäischen sammelbiene. Ent. Nachr. 21: 21–26, 37–50, 53–62, 6980.Google Scholar
Darwin, C. 1841. Humble-bees. Gdnrs' Chron., p. 550.Google Scholar
Darwin, C. 1876. The effects of cross and self fertilisation in the vegetable kingdom. viii + 482 pp. Murray, London.Google Scholar
Davidson, A. 1894. On the parasites of wild bees in California. Ent. News 5: 170172.Google Scholar
Davidson, A. 1911. The bumble bees of Los Angeles. Bull. Sth. Calif. Acad. Sci. 10: 66.Google Scholar
De Geer, C. 1773. Mémoires pour servir à l'histoire des insectes. Vol. 3, viii + 696 pp., 44 pls. Hesselberg, Stockholm.Google Scholar
Delmas, R. 1962. Notes zoogéographiques et systématiques sur les Bombidae. 1: La Bombus bradmannicus Vogt des Alpes Français. Annls Abeille 5(3): 175179.Google Scholar
Dias, D. 1953. The alimentary canal of Bombus (Hymenoptera: Bombidae). 51 pp., 45 figs., unpubl. M. S. Thesis, Cornell Univ.Google Scholar
Dias, D. 1957. Comparative notes on the ventral nerve cord of certain Apinae bees. Rev. Agric. 32(4): 279289.Google Scholar
Dias, D. 1958 a. Contribuiçao para o conhecimento da bionomia de Bombus incarum Franklin da Amazônia (Hymenóptera: Bombidae). Revta bras. Ent. 8: 120, 10 pls.Google Scholar
Dias, D. 1958 b. Abnormal segmentation in “Bombus” affecting abdominal sternites, musculature and nerve cord (Hymenoptera, Apoidea). Revta bras. Biol. 18(4): 391396.Google Scholar
Dias, D. 1960 a. Nota sobre um ninho de Bombus construido acima do Chao (Hymenopteraò, Apoidea). Revta bras. Ent. 9: 151156.Google Scholar
Dias, D. 1960 b. Procedures for handling preserved bumblebee specimens for population studies. Turtox News 38(10): 252255.Google Scholar
Didden, C. H. 1948. Merkwaardige behuizing van Bombus agrorum F. Ent. Ber., Amst. 12: 208209.Google Scholar
Dimmock, G. 1886. Sphaerularia in America. Am. Nat. 20: 7375.Google Scholar
Dittrich, R. 1886. Verzeichnis der in Schlesien bisher beobachteten Bombus-arten. Z. Ent., N.F., Hft. 11, pp. 1213.Google Scholar
Dittrich, R. 1903. Verzeichnis der bisher in Schlesien aufgefundenen Hymenoptera. 1, Apidae. Z. Ent. N.F., Hft. 28, pp. 2154.Google Scholar
Doflein, F. 1921. Mazedonien. Erlebnisse und beobachtungen eines naturforchers im gefolge des Deutschen Heeres. VIII + 592 pp., 279 figs., 4 col. pls., 12 tabs. Fischer, Jena. (pp. 230, 372–374, 378, 588, 590).Google Scholar
Donisthorpe, H. 1920. The phoresy of Antherophagus. Entomologist's Rec. 32(10): 181187.Google Scholar
Dover, C. 1922. A note on bees of the genera Xylocopa and Bombus in the Indian Museum. Rec. Indian Mus. 24 (Pt. 1): 8889.Google Scholar
Dozier, H. L. 1920. An ecological study of hammock and piney woods insects in Florida. Ann. ent. Soc. Am. 13: 325380.Google Scholar
Drenowski, A. K., Drenovsky, A. K. 1934. Beitrag zur insektenfauna von Bulgarien und Mazedonien. Mitt. bulg. ent. Ges., Sofia 8: 174182. (pp. 176–178.)Google Scholar
Drewsen, C. 1838. Bomborum psithyrorumque Daniae enumeratio critica. 8 pp., 1 pl., Havniae. (Separate of Drewsen and Schiødte, 1838.)Google Scholar
Drewsen, C., and Schiødte, J.. 1838. Fortegnelse over de Danske arter of slaegferne Bombus og Psithyrus. Kröyer's Naturh. Tidsskr. 2 (h. 2): 105126, 1 pl. (Extract: Verzeichniss der Dänischen arten der gattungen Bombus und Psithyrus; von Chr. Drewsen und J. Schiödte. Isis, H. 5, cols. 325–331, 1841.)Google Scholar
Ducke, A. 1898. Die bienenfauna Österreichisch Schlesiens. Ent. Nachr. 24(9): 129145.Google Scholar
Ducke, A. 1901. Beobachtungen über blütenbesuch, erscheinungszeit etc. der bei Para vorkommenden bienen. Z. syst. Hym. Dipt., H. 1, pp. 2532Google Scholar
Ducke, A. 1901. Beobachtungen über blütenbesuch, erscheinungszeit etc. der bei Para vorkommenden bienen. Z. syst. Hym. Dipt., H. 2, pp. 4967.Google Scholar
Ducke, A. 1902. Beobachtungen über blütenbesuch, erscheinungszeit etc. der bei Para vorkommenden bienen. Allg. Z. Ent. 7: 321–326, 360–368, 400–405, 417422. (pp. 325, 418.)Google Scholar
Ducke, A. 1910. Contribution à la connaissance de la faune hyménoptèrologique du Nord-Est du Brésil. Ill. Rev. Ent., Caen 28(3): 78–96, 97122.Google Scholar
Ducke, A. 1912. Die natürlichen bienengenera Südamerikas. Zool. Jb., abt. syst. 34: 51116.Google Scholar
Dufour, L. J. M.. (1836) 1837. Recherches sur quelques entozoaires et larves parasites des insectes orthoptères et hyménoptères. Ann. Sci. Nat. 7 (2 ser.): 520, pl. 1, A–figs. 1–16, B–1, 2, 2′ and 2″.Google Scholar
Dumbleton, L. J. 1949. Bumble-bee species (Bombus spp.) in New Zealand. N.Z. J. Sci. Tech. 29: 308312, 1 fig., (1948).Google Scholar
Duncan, J. 1840. The natural history of bees. In: Jardine, Naturalist's Library, Ent., Vol. 6: viii + pp. 17301, 30 pls. Lizars, Edinburgh; Highly, and Curry, jun., London.Google Scholar
Dunning, J. W. 1884. (Note on the early importation of humble-bees into New Zealand.)Trans. R. ent. Soc. Lond., p. iii (Proceedings).Google Scholar
Dunning, J. W. 1886. (“The importation of humble-bees into New Zealand”.)Trans. R. ent. Soc. Lond., pp. xxxiixxxiv (Proceedings).Google Scholar
Dusmet y Alonso, J. M. 19481949. Los ápidos de Espaná, V. Mem. R. Soc. Esp. Hist. nat., Madrid, Tomo extraord. 1921, pp. 177212.Google Scholar
Dutilly, A. 1946. A list of insects of the Mackenzie River Basin. Can. Fld Nat. 60(2): 3544.Google Scholar
Dylewska, M. 1957. The distribution of the species of genus Bombus Latr. in Poland (an outline). Acta zool. cracov. 2(12): 259278.Google Scholar
Dylewska, M. 1958. The Bombus Latr. and Psithyrus Lep. fauna of the Polish part of the Tatry Mountains. Acta zool. cracov. 3(5): 138197.Google Scholar
Eidmann, M. 1935. Zur kenntnis der insektenfauna Südlabrador. 4: Beitrag zur kenntnis der fauna von Südlabrador, insbesondere des flussgebietes des Matamek River. Arb. morph. taxon. Ent. Berl. 2(2): 81105.Google Scholar
Ekstam, O. 1894. Zur kenntnis der blütenbestäubung auf Novaja Semlja. Öfvers. K. VetenskAkad. Förh. 2: 7984.Google Scholar
Ekstam, O. 1897. Einige blütenbiologische beobachtungen. Tromsø Mus. Årsh. 18: 109198 (1895).Google Scholar
Elfving, R. 1958. Apidologiska meddelanden. Notul. Ent. 38(3): 90.Google Scholar
Elfving, R. 1960 a. Die hummeln und schmarotzerhummeln Finnlands. Fauna fenn. 10: 143.Google Scholar
Elfving, R. 1960 b. Suomen kimalaiset. Luonnon Tutk. 64: 143149.Google Scholar
Elfving, R. 1964. Tärkeimmät kimalaisemme ja niiden määrittäminen. (The most important bumblebee species in Finland and their identification.)Maatalous Koetoim. (Helsinki) 18: 283291. (In Finnish with summaries in German and English.)Google Scholar
Emeis, W. 1935. Die hummelarten Schleswig-Holsteins. “Heimat” (Feb.), pp. 6974.Google Scholar
Emeis, W. 1941. Ueber einige seltenere hummeln und kuckuckshummeln Schleswig-Holsteins. S. B. Ges. naturf. Freunde, Berlin, Jahrg. 1940, pp. 288293.Google Scholar
Erichson, W. F. 1851. Hymenoptera, pp. 60–65. In: Middendorff, Reise in den Äussersten Norden und Osten Sibiriens 2(1), 516 pp., 32 pls.Google Scholar
Erikson, E. V. 1908. Sur la psychologie des bourdons. Rev. russ. Ent. 8(1): 3241.Google Scholar
Erlandsson, S. 1948. Bombus solstitialis Panzer (Hym.) en bortglömd art i vår fauna. Ent. Tidskr. 69(1–2): 106112.Google Scholar
Erlandsson, S. 1950. Bombus soroeënsis Fabr. (Hym.) en mindra känd art: vår fauna. Ent. Tidskr. 71: 2026, 2 figs.Google Scholar
Erlandsson, S. 1953. Bombus agrorum F. ssp. gotlandicus n. ssp. (Hym.). Ent. Tidskr. 74: 7680, 1 fig.Google Scholar
Erlandsson, S. 1960. Notes on Hymenoptera. Ent. Tidskr. 81(3–4): 123130.Google Scholar
Erlandsson, S. 1963. Notes on Hymenoptera. 2: Contribution to the knowledge of the aculeate Hymenoptera in the Island of Bornholm. Ent. Tidskr. 84(1–2): 6568.Google Scholar
Esaki, T., et al. 1932. Iconographia insectorum Japonicorum. 2241 pp. + 15 pp. (taxonomic arrangement), + 123 pp. (Japanese index), + 97 pp. (English index) and 24 plates. Hokuryukan, Tokyo.Google Scholar
Etcheverry, M., and Valenzuela, A.. 1960. Investigaciones biológicas sobre himenópteros de Chile, (Meliferos) de Claude Joseph. Publ. Fac. Filos. Educ., No. 1, 60 pp., 18 pls.Google Scholar
Etzel, A. 1859. (See under Schiødte, J. C., 1857.)Google Scholar
Evans, J. D. 1896. List of Hymenoptera taken at Sudbury, Ont. Can. Ent. 28: 913.Google Scholar
Evans, W. 1901. The pale variety of Bombus smithianus, White, in Scotland. Entomologist's mon. Mag. 37: 47.Google Scholar
Eversmann, E. 1846. Hymenopterorum Rossicorum species novae vel parum cognitae, descriptae et partim depictae. Bull. Soc. imp. Nat., Moscou 19(1): 436443, Tab. IV, V (col.).Google Scholar
Eversmann, E. 1852. Hymenopterorum Volgo-Uralensis. Fam. Anthophilarum seu apidarum. Bull. Soc. Nat., Moscou 3: 1137.Google Scholar
Fabricius, J. C. 1775. Systema entomologiae, etc. 28 unnumb. pp. (Prolegomena, etc.) + 832 pp. Flensburgi et Lipsiae.Google Scholar
Fabricius, J. C. 1776. Genera insectorum, etc. Prolegomena (12 unnumb. pp) + 310 pp. Bartschii, Chilonii.Google Scholar
Fabricius, J. C. 1781. Species insectorum, etc. 1: viii + 552 pp. Ernest, Bohnii, Hamburgi et Kilonii.Google Scholar
Fabricius, J. C. 1787. Mantissa insectorum, etc. 1: xx + 348 pp. Proft, Hafniae.Google Scholar
Fabricius, J. C. 1793. Entomologia systematica. 2: viii + 519 pp. Proft, Hafniae.Google Scholar
Fabricius, J. C. 1798. Supplementum entomologiae systematicae. 2 unnumb. + 572 pp. Proft et Storch, Hafniae. (Index alphabeticus, 52 pp. + Emendanda, 1 p., 1799.)Google Scholar
Fabricius, J. C. 1805. Systema piezatorum. xiv, pp. 15440 and index, pp. 1–30. Brunsvigae.Google Scholar
Fabricius, O. 1780. Fauna Groenlandica, etc. xvi + 452 pp., 1 pl. (with 12 figs.). Rothe, Hafniae and Lipsiae.Google Scholar
Faester, K. 1959. In Dänemark getroffene arten von Bombus und Psithyrus (Hym., Apidae). Ent. Meddr. 29: 152153.Google Scholar
Fahringer, J., and Friese, H.. 1921. Eine hymenopteren-ausbeute aus dem Amanusgebirge. (Kleinasien und Nord-Syrien, südl. Armenien.) Arch. Naturgesch. 87 (A, 3): 150180.Google Scholar
Fairchild, D., and Barrett, O. W.. 1906. Notes on the copulation of Bombus fervidus. Proc. ent. Soc. Wash. 8: 1314, 1 pl.Google Scholar
Fantham, H. B., and Porter, A.. 1914. The morphology, biology and economic importance of Nosema bombi n. sp., parasitic in various humble-bees (Bombus spp.). Ann. trop. Med. Parasit. 8: 623638.Google Scholar
Fattig, P. W. 1923. The bumblebees of Florida. Fla Ent. 7: 25.Google Scholar
Fattig, P. W. 1933. Food of the robber fly, Mallophora orcina (Wied.) (Diptera). Can. Ent. 65: 119120.Google Scholar
Ferton, C. 1901. Notes détachées sur l'instinct des hyménoptères mellifères et ravisseurs avec la description de quelques espèces. Ann Soc. ent., Fr. 70: 83148, 3 pls.Google Scholar
Flamary, A. 1898. Contribution au catalogue des hyménoptères du Maconnais. L'Ech., Rev. Linn. (Lyon) 14(163): 6163.Google Scholar
Flemming, S. 1926. Ein auffalender nestbefund bei hummeln. Zool. Jb., abt. syst. 52: 395406.Google Scholar
Fletcher, J., and Gibson, A.. 1908. Entomological Record, 1907. 38th Rep. ent. Soc. Ont. (Canada), pp. 113133.Google Scholar
Fletcher, J., and Gibson, A.. 1909. Entomological Record, 1908. 39th Rep. ent. Soc. Ont. (Canada), pp. 99116.Google Scholar
[Fletcher, J. J.] 1896. In: Notes and exhibits. Proc. Linn. Soc. N.S.W. 10 (s. 2): 537.Google Scholar
Focke, W. O. 1880. Tabak und hummeln. Kosmos 6: 473474.Google Scholar
Focke, W. O. 1883. Der rothe klee in Neuseeland. Ibid. 13: 687688.Google Scholar
Forbes, W. A. 1874. Bombus lucorum. Entomologist 7: 231.Google Scholar
Forsius, R. 1925. Ueber Bombus smithianus Wh. Medd. Soc. fauna fl. fenn. 49: 911, 1 map (19221923).Google Scholar
Forsius, R., and Nordström, A.. 1921. Verzeichnis der aus Finnland bisher bekannten apiden. Notul. ent. 1: 7076.Google Scholar
Fowler, C. 1902. The long-tongued bees (Apidae) of California. Rep. Calif. agric. Exp. Stn 18991901, Pt. 2, pp. 316330.Google Scholar
Fox, W. J. 1892. Report on the Hymenoptera collected in West Greenland. Proc. Acad. nat. Sci. Philad., pp. 133135.Google Scholar
Fox, W. J. 1893. Report on some Mexican Hymenoptera, principally from Lower California. Proc. Calif. Acad. Sci. 4(2): 125.Google Scholar
Fox, W. J. 1895. Third report on some Mexican Hymenoptera, principally from Lower California. Proc. Calif. Acad. Sci. 5(2): 260272, pl. 21.Google Scholar
Franklin, H. J. 1907. Notes on Bombinae, with descriptions of new species. Ent. News 18: 9093.Google Scholar
Franklin, H. J. 1911. New North American Bombidae. Trans. Am. ent. Soc. 37: 157168.Google Scholar
Franklin, H. J. 1912. The Bombidae of the New World. Trans. Am. ent. Soc. 38: 177486.Google Scholar
Franklin, H. J. 1913. The Bombidae of the New World. Trans. Am. ent. Soc. 39: 73200, pls. 1–22.Google Scholar
Franklin, H. J. 1915. Notes on Bombidae, with descriptions of new forms (Hym.). Ent. News 26: 409417.Google Scholar
Franklin, H. J. 1950. Cranberry insects in Massachusetts. Mass. agric. Exp. Stn Bull. 445 (Pts. II–VII), 88 pp.Google Scholar
Franklin, H. J. 1954. The evolution and distribution of American bumblebee kinds. Trans. Am. ent. Soc. 80: 4351.Google Scholar
Franklin, H. J. 1955. Measurements of some parts of some male bumblebees (Hym.). Ent. News 66: 6568.Google Scholar
Fraser, F. C. 1947. Bombus jonellus (Kby.) (Hym.) nesting in a discarded bird's nest. Entomologist's mon. Mag. 83: 280.Google Scholar
Free, J. B. 1955 a. Queen production in colonies of bumblebees. Proc. R. ent. Soc. Lond. 30(A) 1–3: 1925.Google Scholar
Free, J. B. 1955 b. The adaptability of bumblebees to a change in the location of their nest. Brit. J. anim. Behav. (Lond.) 3: 6165.Google Scholar
Free, J. B. 1955 c. The behavior of egg-laying workers of bumblebee colonies. Brit. J. anim. Behav. 3: 147153.Google Scholar
Free, J. B. 1955 d. The division of labour within bumblebee colonies. Insectes soc. 2: 195212.Google Scholar
Free, J. B. 1955 e. The collection of food by bumblebees. Insectes soc. 2: 303311.Google Scholar
Free, J. B. 1957. The effect of social facilitation on the ovary development of bumblebee workers. Proc. R. ent. Soc. Lond. 32: 182184.Google Scholar
Free, J. B., and Butler, C. G.. 1959. Bumblebees. Appendices 3 (pp. 173–184) and 4 (pp. 185–189) by Yarrow. xiv + 208 pp., 46 phot. Macmillan, New York; Collins, London. (Krombein 1959, q.v.)Google Scholar
Frey-Gessner, E. 1889. Une chasse au Bombus alpinus Lin., I–VIII. Mitt. schweiz. ent. Ges. 4: 17–18, 26, 31–32, 42, 49–50, 55–56, 63–65, 7172.Google Scholar
Frey-Gessner, E. 1890 a. Une nouvelle chasse au Bombus alpinus Linn. Mitt. schweiz. ent. Ges. 4: 152–153, 162, 183–184, 193; 5: 23, 10–11, 18–19.Google Scholar
Frey-Gessner, E. 1890 b. Supplément aux chasses au Bombus alpinus Lin. Mitt. schweiz. ent. Ges. 5: 75–76, 81, 9293.Google Scholar
Frey-Gessner, E. 1890 c. Bombus agrorum Fab. und B. variabilis Schmdk. Mitt. schweiz. ent. Ges. 8: 183187.Google Scholar
Frey-Gessner, E. 1890 d. Die weissen alpenhummeln. Bombus mucidus Gerst., var. mollis Péréz und B. pomorum Pz. var. elegans Seidl (mesomelas Gerst.). Mitt. schweiz. ent. Ges. 8: 187190.Google Scholar
Frey-Gessner, E. 1890 e. Bombus alticola Krchb., rajellus Kirby und pyrenaeus Péréz. Mitt. schweiz. ent. Ges. 8: 190194.Google Scholar
Frey-Gessner, E. 1892. Les bourdons du Valaia. Bull. Soc. Murith. 13: 3236.Google Scholar
Frey-Gessner, E. 1898. Ueber die erkennungszeichen der hochalpinen dreifarbigen hummelarbeiter alticola, derhamellus var. 3, mendax und lapponicus. Mitt. schweiz. ent. Ges. 10: 127132.Google Scholar
Frey-Gessner, E. 18981912. Fauna insectorum Helvetiae. Hymenoptera, Apidae. Volume 1: Gesellig lebende bienen, urbienen und schenkelsammler. Mitt. schweiz. ent. Ges. 10: 1–52 (1898), 53–84 (1899), 85–148 (1900), 149180 (1903); 11: 181–212 (1903), 213–276 (1905), 277–340 (1906), 341–392, + Inhalt, III–VII, (1907).Google Scholar
Frey-Gessner, E. 18981912. Fauna insectorum Helvetiae. Hymenoptera, Apidae. Volume 2: Bauchsammler und schmarotzerbienen. Mitt. schweiz. ent. Ges. 11: 148 (1907), 49–56 (1908), 97–192 (1909); 12: 193–240 (1910), 241–256 (1911), 257–319, + Inhalt, III–V (1912). N.B. The final part, pp. 303 et seq., entitled “Systematisches verzeichnis der bis jetzt in der Schweiz gefunden”, treated solitary, social, and parasitic species. (Schaffhausen 1898–1907; thenceforth only Bern.)Google Scholar
Frey-Gessner, E. 1902. Bombus grandaevus Heer. Mitt. schweiz. ent. Ges. 10: 419.Google Scholar
Frey-Gessner, E. 1912. Tables analytiques des hyménoptères du Valais (suite). Bull. Soc. Murith. 37: 2582 (1911). (Also, Bull. trav. Murith. Soc. Valaisanne sci. nat.)Google Scholar
Friese, H. 1888. Die schmarotzbienen und ihre wirte. Zool. Jb., abt. syst. 3: 847870.Google Scholar
Friese, H. 1893. Die bienenfauna von Deutschland und Ungarn. 80 pp. Berlin.Google Scholar
Friese, H. 1895 a. Über unbekannte hummelnester. Ent. Nachr. 21: 100103.Google Scholar
Friese, H. 1895 b. Apidae Europaeae. Theil 1. Schmarotzerbienen. 218 pp., 53 figs. Friedländer, Berlin.Google Scholar
Friese, H. 1902. Die arktischen Hymenoptera mit ausschluss der tenthrediniden. In: Römer & Schäudinn's Fauna Arctica, 2(3): 439500, Taf. III (col.). Jena.Google Scholar
Friese, H. 1903. Neue Bombus-arten aus der Neotropischen Region. Z. syst. Hym. Dipt. 3: 253255.Google Scholar
Friese, H. 1904 a. Über hummelleben im arktischen gebiete. (Hym.). Allg. Z. Ent. 9(21–22): 409414.Google Scholar
Friese, H. 1904 b. Beitrage zur bienenfauna von Chile, Peru und Ecuador. Z. syst. Hym. Dipt. 4: 180188.Google Scholar
Friese, H. 1904 c. Neue oder wenig bekannte hummeln des Russischen Reiches. Ann. Mus. zool. Acad. imp. Sci., St. Petersbourg 9(4): 507523 (1905). (Also appeared as 17 continuously paginated separate, 1905.)Google Scholar
Friese, H. 1904 d. Eine bienenausbeute von Java. (Hym.). Allg. Z. Ent. 9(7–8): 138140.Google Scholar
Friese, H. 1906 a. Resultate einer reise des Herrn A. C. Jensen-Haarup in die gegend von Mendoza (Argentina). Hymenoptera, fam. Apidae. Flora fauna (Denmark) 8: 8999.Google Scholar
Friese, H. 1906 b. Nachtrag zur bienen-ausbeute in Argentina von A. C. Jensen-Haarup in den jahren 1904–5. Flora fauna 8: 99102.Google Scholar
Friese, H. 1908 a. Ueber die bienen der Russischen Polarexpedition 1900–1903 und einiger anderen arktischen ausbeuten. Mem. Acad. Sci., St. Petersburg. Ser. 8, 18(13): 117, 1 pl. (Also, Mem. Akad. nauk SSSR, Ser. 8, Cl. Phys.-math., 18(13): 1–17, 1 pl.)Google Scholar
Friese, H. 1908 b. Hymenoptera II. Apidae. In: Résultats de l'expédition scientifique Néerlandaise à la Nouvelle-Guinée en 1903 (sous les auspices de Arthur Wichmann). Zoologie. Vol. 5, pp. 353359, pl. 15 (col.).Google Scholar
Friese, H. 1908 c. Die Apidae (blumenwespen) von Argentina nach den reisenergebnissen der Herren A. C. Jensen-Haarup und P. Jörgensen in den jahren 1904–1907. Flora fauna, Silkeborg, 107 pp. + 4 pp. index. Silkeborg, Denmark.Google Scholar
Friese, H. 1909 a. Neue varietäten von Bombus (Hym.). Dt. ent. Z., H. 5, pp. 673676.Google Scholar
Friese, H. 1909 b. Zur synonymie der apiden. (Hym.). Dt. ent. Z., Beiheft, pp. 124128.Google Scholar
Friese, H. 1910. Neue bienenarten aus Japan. Verh. zool.-bot. Ges. Wien 60: 404410.Google Scholar
Friese, H. 1911 a. Neue varietäten von Bombus (Hym.), II. Dt. ent. Z., H. 4, pp. 456457.Google Scholar
Friese, H. 1911 b. Zur synonymie der Bombus-arten. Dt. ent. Z., H. 4, p. 684.Google Scholar
Friese, H. 1911 c. Neue varietäten von Bombus, III. Dt. ent. Z., H. 5, pp. 571572.Google Scholar
Friese, H. 1913. Über einige neue apiden. Arch. Naturgesch. 78 (A, 12): 8589 (1912).Google Scholar
Friese, H. 1914. Die bienenfauna von Java. Tijdschr. Ent. 57: 161.Google Scholar
Friese, H. 1916 a. Zur bienenfauna von Costa Rica (Hym.). Stettin. ent. Ztg 77: 287350.Google Scholar
Friese, H. 1916 b. Über einige neue hummelformen (Bombus), besonders aus Asien (Hym.). Dt. ent. Z., H. 2, pp. 107110.Google Scholar
Friese, H. 1918 a. Wissenschaftliche ergebnisse einer forschungsreise nach Ostindien, etc. VII: Bienen aus Sumatra, Java und Ceylon. Zoöl. Jb., abt. syst. 41(h. 5): 489520.Google Scholar
Friese, H. 1918 b. Ueber hummelformen aus dem Himalaja. Dt. ent. Z., Hfn. 1–2, pp. 8186.Google Scholar
Friese, H. 1919. [Wasps and bees. In: Scientific results of the expedition of the Kuznetzov Brothers to the Arctic Ural, 1909.] Mem. Acad. Sci., St. Petersburg, Ser. 8, 28(15): 12. (Also, Mem. Akad. nauk SSSR, Ser. 8, Cl. Phys.-math., 28(15): 1–2.)Google Scholar
Friese, H. 1921. Nachtrag zur bienenfauna von Costa Rica. Stettin. ent. Ztg 82(hfn. 1–2): 74101.Google Scholar
Friese, H. 19221923. Die Europäischen bienen (Apidae), das leben und wirken unserer blumenwespen, unsw. Vols. 1, 2, 1922; vols. 3, 4, 1923; 400 pp., 25 pls. Walter de Gryter, Berlin and Leipzig.Google Scholar
Friese, H. 1923 a. Eine kriegsausbeute an apiden (bienen) aus Makedonien. Zoöl. Jb., abt. syst. 46: 175216.Google Scholar
Friese, H. 1923 b. Wissenschaftliche ergebnisse der Schwedischen entomologischen reise des Herrn Dr. A. Roman in Amazonas 1914–1915. 8: Apidae. Ark. Zool. 15(13): 18.Google Scholar
Friese, H. 1923 c. Report of the scientific results of the Norwegian expedition to Novaya Zemlya 1921. No. 14. Hymenoptera, Apidae. pp. 39. Vidensk. i. Kristiania, Brøggers.Google Scholar
Friese, H. 1924. Über auffallende hummelformen (Hym. Apid.). Dt. ent. Z., H. 5, pp. 437439.Google Scholar
Friese, H. 1926. Die bienen, wespen, grab– und goldwespen. In: Schröder, Die insekten Mitteleuropas insbesondere Deutschlands, Bd. 1, Hymenoptera, Erster Teil, (viii) + 192 pp., 107 figs., 8 pls. Franckhische, Stuttgart.Google Scholar
Friese, H. 1931 a. Über Bombus und Psithyrus. Konowia 10(4): 300304.Google Scholar
Friese, H. 1931 b. Wie können schmarotzerbienen aus sammelbienen entstehen? II. Zoöl. Jb., abt. syst. 62 (hfn. 1–2): 114.Google Scholar
Friese, H. 1935. Apiden aus Nordst-Grönland. Skrifter 65, 10 pp. Norges Svalbard og Ishavs.-undersøk. Also part of: Zoological results of the Norwegian scientific expedition to East Greenland, IV. 25 pp. Dybwab, Oslo.Google Scholar
Friese, H., and Wagner, H. v.. 1904. Ueber die hummeln als zeugen natürlicher formenbildung. Zoöl. Jb., Suppl. (Fetschrift Weismann) 7: 551570, 2 pls. (col.).Google Scholar
Friese, H. 1910. Zoölogische studien an hummeln. I. Die hummeln der Deutschen fauna. Zoöl. Jb., abt. syst. 29: 1104, 7 pls., 20 figs. (1909).Google Scholar
Friese, H. 1912. Zoölogische studien an hummeln. II: Die hummeln der Arktis, des hochgebirges und der steppe. Zoöl. Jb., abt. syst., Suppl. 15: 155210, 5 pls., 30 figs. (Many text figures incorrectly numbered, especially to fig. 8, pl. 5, et seq.)Google Scholar
Friese, H. 1914. Zoölogische studien an hummeln. IIa: Berichtigungen und ergänzungen zu I und II nebst theoretischen bemerkungen zur methodik der hummelforschung. Zoöl. Jb., abt. syst. 37 (h. 2): 173198, 1 pl.Google Scholar
Friese, H., et al. 1923. Apidae, pp. 3–9. In: Scientific results of the Norwegian expedition to Novaja Zemlja. 1921. Number 14, 25 pp. Det Norske Vidensk.-akad., Oslo (Also, Videnskaps. i. Kristiania, Brøggers Boktrykkeri).Google Scholar
Frionnet, C. 1901. La rareté des Bombus en Suisse. Réponse à M. B. Jacob. Feuille jeun. Nat. 32 (s. 4): 23.Google Scholar
Frionnet, C. 1902. Bombus et Psithyrus de France et de Belgique. Feuille jeun. Nat. 32: 165–169, 177183.Google Scholar
Frisch, K. v. 1952. Hummeln als unfreiwillige transportflieger. Nat. Volk, Frankfurt am Main 82: 171174, 1 fig.Google Scholar
Frison, T. H. 1916. Note on the habit of Psithyrus variabilis Cress. Bull. Brooklyn ent. Soc. 2: 4647.Google Scholar
Frison, T. H. 1917. Notes on Bombidae, and on the life history of Bombus auricomus Robt. Ann. ent. Soc. Am. 10: 277286, 2 pls.Google Scholar
Frison, T. H. 1918. Additional notes on the life history of Bombus auricomus Robt. Ann. ent. Soc. Am. 2: 4348, pl. 3.Google Scholar
Frison, T. H. 1919 a. Keys for the separation of the Bremidae, or bumblebees of Illinois, and other notes. Trans. Ill. St. Acad. Sci. 12: 157165.Google Scholar
Frison, T. H. 1919 b. Report on the Bremidae collected by the Crocker Land Expedition of 1913–1917. Bull. Am. Mus. nat. Hist. 41: 451459, pl. xxiv.Google Scholar
Frison, T. H. 1921 a. Psithyrus laboriosus in the nests of bumblebees (Hym.). Can. Ent. 53: 100101.Google Scholar
Frison, T. H. 1921 b. New distribution records for North American Bremidae, with description of a new species (Hym.). Ent. News 32: 144148.Google Scholar
Frison, T. H. 1921 c. Antherophagus ochraceus Mels. in the nests of bumblebees. Am. Nat. 55: 188192.Google Scholar
Frison, T. H. 1921 d. Hymenopterous insects of the family Bremidae from the Pribilof Islands, Alaska. Proc. Calif. Acad. Sci 11(14): 185187.Google Scholar
Frison, T. H. 1922. Further biological and systematic notes concerning Bremus kincaidii Ckll. and other closely related species (Hym. Bremidae). Ent. News 33: 214216.Google Scholar
Frison, T. H. 1923 a. Biological studies of the Bremidae, or bumblebees, with special reference to the species occurring in Illinois. Unpubl. Ph.D. Thesis, Univ. Illinois, Urbana.Google Scholar
Frison, T. H. 1923 b. Systematic and biological notes on bumblebees (Bremidae; Hymenoptera). Trans. Am. ent. Soc. 48: 307326.Google Scholar
Frison, T. H. 1924. Notes on North American Bremidae. Can. Ent. 56: 292296.Google Scholar
Frison, T. H. 1925 a. Contribution to the classification of the Bremidae (bumblebees) of Central and South America. Trans. Am. ent. Soc. 51: 137165, pls. 5, 6.Google Scholar
Frison, T. H. 1925 b. The bumblebees of the Philippine Islands (Bremidae: Hymenoptera). Philip. J. Sci. 27: 113121.Google Scholar
Frison, T. H. 1926 a. Descriptions and records of North American Bremidae, together with notes on the synonymy of certain species (Hymenoptera). Trans. Am. ent. Soc. 52: 129145.Google Scholar
Frison, T. H. 1926 b. Contribution to the knowledge of the inter-relations of the bumblebees of Illinois with their animate environment. Ann. ent. Soc. Am. 19: 203235, pl. xvii.Google Scholar
Frison, T. H. 1926 c. Experiments in attracting queen bumblebees to artificial domiciles. J. econ. Ent. 19(1): 149155.Google Scholar
Frison, T. H. 1927 a. Experiments in rearing colonies of bumblebees in artificial nests. Biol. Bull. 52(1): 5167, figs. 1–4, tab. 1.Google Scholar
Frison, T. H. 1927 b. The development of the castes of bumblebees (Bremidae: Hym.). Ann. ent. Soc. Am. 20(2): 156178, pls. ix, x.Google Scholar
Frison, T. H. 1927 c. Records and descriptions of western bumblebees (Bremidae). Proc. Calif. Acad. Sci. 16(4): 365380, 4 figs.Google Scholar
Frison, T. H. 1927 d. The distribution of Bremus kincaidii (Cockerell). Bremidae: Hym. Can. Ent. 59: 32.Google Scholar
Frison, T. H. 1927 e. A contribution to our knowledge of the relationship of the Bremidae of America north of Mexico (Hymenoptera). Trans. Am. ent. Soc. 53: 5178, pls. xvi, xvii.Google Scholar
Frison, T. H. 1927 f. The fertilization and hibernation of queen bumblebees under controlled conditions. J. econ. Ent. 20(3): 522526.Google Scholar
Frison, T. H. 1928 a. A contribution to the knowledge of the life history of Bremus bimaculatus (Cresson) (Hym.). Entomologica Am. 8 (n.s. 4): 159214, pls. vi–ix.Google Scholar
Frison, T. H. 1928 b. The bumblebees of the Philippine Islands (Bremidae: Hymenoptera). Philip. J. Sci. 37(3): 273281, 1 pl.Google Scholar
Frison, T. H. 1928 c. Records of bumblebees from Alberta, Canada (Bremidae: Hym.). Can. Ent. 60: 236238.Google Scholar
Frison, T. H. 1928 d. A new species of bumblebee from Guatemala (Bremidae: Hym.). Bull. Brooklyn ent. Soc. 23: 151152.Google Scholar
Frison, T. H. 1929 a. A contribution to the knowledge of the bionomics of Bremus impatiens (Cresson) (Hymenoptera). Ibid. 24: 261282, pls. xxiv–xxvi.Google Scholar
Frison, T. H. 1929 b. Additional descriptions, synonymy and records of North American bumblebees (Hymenoptera: Bremidae). Trans. Am. ent. Soc. 55: 103118.Google Scholar
Frison, T. H. 1930 a. The bumblebees of Java, Sumatra and Borneo (Bremidae: Hymenoptera). Treubia 12(1): 122, 8 figs.Google Scholar
Frison, T. H. 1930 b. A contribution to the knowledge of the bionomics of Bremus americanorum (Fabr.). (Hymenoptera). Ann. ent. Soc. Am. 23: 644665, 6 figs.Google Scholar
Frison, T. H. 1930 c. A contribution to the knowledge of the bionomics of Bremus vagans (F. Sm.) (Hym.). Bull. Brooklyn ent. Soc. 25(2): 109122, 1 fig.Google Scholar
Frison, T. H. 1930 d. Observations on the behavior of bumblebees (Bremus): The orientation flight. Can. Ent. 62: 4954.Google Scholar
Frison, T. H. 1932. Notes concerning some American bumblebees (Bremus-Bombus) described or determined by M. Spinola (Bremidae). Bol. Mus. zool. Anat. comp. (Univ. Torino) 42: 14.Google Scholar
Frison, T. H. 1933. Records and descriptions of Bremus and Psithyrus from India (Bremidae: Hymenoptera). Rec. Indian Mus. (Calcutta) 35(3): 331342.Google Scholar
Frison, T. H. 1934. Records and descriptions of Bremus and Psithyrus from Formosa and the Asiatic mainland. Trans. nat. hist. Soc. Formosa 24(131): 150185.Google Scholar
Frison, T. H. 1935. Records, notes and descriptions of Bremus from Asia (Bremidae: Hymenoptera). Rec. Indian Mus. (Calcutta) 37: 339363.Google Scholar
Frost, S. W. 1964. Insects taken in light traps at the Archbold Biological Station, Highlands County, Florida. Fla Ent. 47(2): 129161. (p. 161.)Google Scholar
Fye, R. E., and Medler, J. T.. 1954 a. Temperature studies in bumblebee domiciles. J. econ. Ent. 47: 847852, 1 fig., 6 gphs.Google Scholar
Fye, R. E., and Medler, J. T.. 1954 b. Spring emergence and floral hosts of Wisconsin bumblebees. Wis. Acad. Sci. Arts Lett. 43: 7582.Google Scholar
Fye, R. E., and Medler, J. T.. 1954 c. Field domiciles for bumblebees. J. econ. Ent. 47(4): 672676, 2 figs.Google Scholar
Gabritschevsky, E. 1926. Convergence of coloration between American pilose flies and bumblebees (Bombus). Biol. Bull. 51: 269286, 4 pls.Google Scholar
Gaschott, O. 1922. Zur phylogenie von Psithyrus. Zool. Anz. 54: 215231.Google Scholar
Frison, T. H. 1928. Zur phylogenie von Psithyrus. Zool. Anz. 78: 224228.Google Scholar
Gemignani, E. V. 1931. [Note regarding Bombus carolinus (L.) F.] Rev. Soc. ent. argent. 3(17): 330.Google Scholar
Geoffroy, M. 17991800. Histoire abrégée des insectes, etc. Vol. 2, 744 pp., 12 pls. Volland & Rémont, Paris. (pp. 403–407.) (Examined the First Edition, 1762, also.)Google Scholar
Gerstaecker, A. 1869. Beiträge zur näheren kenntnis einiger bienen-gattungen. Stettin. ent. Ztg 30: 139–184, 315367.Google Scholar
Frison, T. H. 1872. Nachträgliches über Bombus, pp. 282–298. In: Gerstaecker's Hymenopterologische beiträge 1–5. Stettin. ent. Ztg 33(7–9): 250308.Google Scholar
Gibbons, H. I. 1935. The first cubital cell in certain Hymenoptera. Ann. ent. Soc. Am. 28: 4752, pls. 1–3.Google Scholar
Gibson, A. 1911. The entomological record for 1910. 41st Rep. ent. Soc. Ont. (Canada), pp. 101120.Google Scholar
Gibson, A. 1912. The entomological record for, 1911. 42nd Rep., Rep. ent. Soc. Ont., pp. 89112.Google Scholar
Gibson, A. 1914. The entomological record for, 1913. 44th Rep., Rep. ent. Soc. Ont., pp. 106129.Google Scholar
Gibson, A. 1915. The entomological record for, 1914. 45th Rep., Rep. ent. Soc. Ont., pp. 123150.Google Scholar
Gibson, A. 1916. The entomological record for, 1915. 46th Rep., Rep. ent. Soc. Ont., pp. 194230.Google Scholar
Gibson, A. 1917. The entomological record for, 1916. 47th Rep., Rep. ent. Soc. Ont., pp. 137171.Google Scholar
Gibson, A. 1918. The entomological record for, 1918. 48th Rep., Rep. ent. Soc. Ont., pp. 99127.Google Scholar
Gibson, A. 1930. Bumblebee occupying oriole nest. Can. Fld Nat. 44: 146.Google Scholar
Gibson, A., and Criddle, N.. 1920. The entomological record, 1919. 50th Rep. ent. Soc. Ont. (Canada), pp. 112134.Google Scholar
Girard, M. 1869. Études sur la chaleur libre dégagée par les animaux invertébrés et spécialement les insectes. Ann. Sci. nat. zool., Ser. 5, 11: 135274.Google Scholar
Goedaert, J. 1662. Metamorphosis naturalis, ofte historische beschryvinge van den oirspronk, aerd, etc. (Pars secunda). 20 unnumb. + 288 pp. + 16 pp. index and 51 pls. Fierens, Middelburgh.Google Scholar
Goedaert, J. 1667. Metamorphoseos et historiae naturalis pars secunda, de insectis. Latinitate donata, commentariis, etc. 30 unnumb. pp. and frontsp. + 259 pp. and 51 pls. Fierensium et Martinum, Medioburgi. (Lister, q. v.)Google Scholar
Goedaert, J. 1700. Metamorphosis naturalis sive insectorum historia. Pars secunda, pp. 174192, 1 pl. Gallet, Amstelodami.Google Scholar
Goetze, J. A. E. [most often Goeze] 1780. Degeer: Abhandlungen zur geschicte der insektenmit anmerkungen herausgegeben. Vol. 3, 6 unnumb. + 454 pp., index and 44 pls. Raspe, Nürnberg.Google Scholar
Gosse, P. H. 1840. The Canadian Naturalist, xii + 372 pp. Van Voorst, London.Google Scholar
Graeffe, E. 1902. Die apiden-fauna des Österreichischen Küstenlandes. Verh. zoöl.-bot. Ges. Wien 52(2): 113135.Google Scholar
Graenicher, S. 1910. New Zealand's experience with the red clover bumblebees. Bull. Wis. nat. hist. Soc. 8: 166169.Google Scholar
Graenicher, S. 1911. Bees of northwestern Wisconsin. Bull. Milw. publ. Mus. 1(3): 221249.Google Scholar
Graenicher, S. 1930. Bee-fauna and vegetation of the Miami Region of Florida. Ann. ent. Soc. Am. 23: 153174.Google Scholar
Graenicher, S. 1935. Bee-fauna and vegetation of Wisconsin. Ann. ent. Soc. Am. 28: 285310.Google Scholar
Grandi, G. 1934. Contributi alla conoscenza degli imenotteri melliferi e predatori, XIII. Bol. Inst. Ent. Bologna 7: 1144, Tav. i–viii.Google Scholar
Grandi, G. 1937. Contributi alla conoscenza degli imenotteri aculeati, XVI. Bol. Inst. Ent. Bologna 9: 253346, Tav. vii–viii.Google Scholar
Grandi, G. 1954. Contributi alla conoscenza degli imenotteri aculeati XXVI. Bol. Inst. Ent. Bologna 20: 81255.Google Scholar
Grandi, G. 1957. Contributi alla conoscenza degli imenotteri aculeati XXVII. bol. Inst. Ent. Bologna 32: 307398.Google Scholar
Grandi, G. 1961. Studi di un entomologo sugli imenotteri superiori. Bol. Inst. Ent., Univ. Bologna 25: 1659, 414 figs.Google Scholar
Greene, J. W. 1858. Descriptions of several new hymenopterous insects from the north west coast of America. Ann. Lyc. nat. Hist. (New York) 7: 1112.Google Scholar
Greene, J. W. 1860. Review of the American Bombidae, together with a description of several species heretofore undescribed being a synopsis of the species of this family of hymenopterous insects thus far known to inhabit North America. Ann. Lyc. nat. Hist. 7: 168176.Google Scholar
Greve, C. 1909. Hummeln in einem sperlingsnest. Zool. Beob. 50: 26.Google Scholar
Greve, C. 1910. Hummeln in einem nistkasten. Zool. Beob. 51: 203205.Google Scholar
Gribodo, G. 1873. Contribuzioni alla fauna imenotterologica Italiana. Bull. Soc. ent. ital. 5: 7387. (Separate, pp. 1–15.)Google Scholar
Gribodo, G. 1882. Alcune nuove specie e nuove genere di imenotteri aculeati. Ann. Mus. civ. Genova 18: 261268. (Separate, pp. 1–8.)Google Scholar
Gribodo, G. 1883. Le crociere dell ’yacht “Corsaro” del Capitano Armatore Enrico D. Albertis. IV: Imenotteri. Ibid. 18: 684690. (Separate, pp. 1–7.)Google Scholar
Gribodo, G. 1892. Contribuzioni imenotterologiche. Sopra alcune specie nuove o poco conosciute di imenotteri antofili. Bull. Soc. ent. ital. 23: 103119 (1891). (Separate, pp. 1–18.)Google Scholar
Gribodo, G. 18931894. Nuovi generi e nuove specie di imenotteri antofili, ed osservazioni sopra alcune specie già conosciute. Bull. Soc. ent. ital. 25: 248–287, 388428 (1893)Google Scholar
Gribodo, G. 18931894. Nuovi generi e nuove specie di imenotteri antofili, ed osservazioni sopra alcune specie già conosciute. Bull. Soc. ent. ital. 26: 76–136, 262269Google Scholar
Addenda et emendanda (Gribodo, G. 18931894. Nuovi generi e nuove specie di imenotteri antofili, ed osservazioni sopra alcune specie già conosciute. Bull. Soc. ent. ital. 26) 270–304, indice, pp. 305314 (1894).Google Scholar
Gribodo, G. (with Emery, C.). 1882. Imenotteri raccolti da G. Cavanna al Vulture, al Pollino ed in altri luoghi dell ’Italia meridionale e central. (Ordo Hymenoptera). Bull. Soc. ent. ital. 14: 8184. (Gribodo separate, pp. 1–3.)Google Scholar
Griffith, E. 1832. Supplement to Hymenoptera, pp. 567–570. To: Cuvier's Animal kingdom, Vol. 15, 796 pp., 140 pls. Whittaker, Treacher, London. (Figs. 1, 2 are reversed on plate facing p. 530.)Google Scholar
Grütte, E. 1935. Zur abstamm ung der kuckucksbienen (Hymenopt., Apid.). Arch. Naturgesch. 4(n.f., 4): 449534.Google Scholar
Grütte, E. 1937. Zur kenntnis Zentralasiatischer arten von Psithyrus Lep. (Hym. Apid.). Mitt. Dt. ent. Ges., E.V. (Berlin) 7(10): 103109, 6 figs.Google Scholar
Grütte, E. 1940. Beitrag zur kenntnis des subgenus Allopsithyrus Popov (Hym. Apid.). Dt. ent. Z., Hfn. 1–4, pp. 204223, 4 figs.Google Scholar
Guérin-Méneville, F. E. 1835. Pl. 75, fig. 3. To: Iconographie du règne animal de G. Cuvier. (cf. below.)Google Scholar
Guérin-Méneville, F. E. 1844. Iconographie du règne animal de G. Cuvier, Vol. 3, 576 pp. (texte explicatif). [B. dahlbomii, n. sp., p. 459, retro supra.]Google Scholar
Guiglia, D. 1941. Imenotteri aculeati raccolti dal sig. L. Ceresa nella Grande Sila (Calabria). (Scoliidae, Vespidae, Sphecidae, Apidae). Atti Soc. ital. Mus. civ. Stor. nat. Milan 80(2): 155176.Google Scholar
Guiglia, D. 1948. I tipi di imenotteri del Guérin esisteni nelle collezioni del Museo di Genoa. Ann. Mus. civ. Stor. nat. Genoa 63: 175191, 5 figs.Google Scholar
Guiglia, D. 1953. Ricerche zoologiche sul massiccio del Pollino (Lucania–Calabria). VIII: Imenotteri. Ann. Inst., Mus. Zoöl., Univ. Napoli 5(9): 128.Google Scholar
Gundermann, E. 1908. Einige beobachtungen an hummelnestern. Ent. Wochenbl. 25: 30–31, 3536.Google Scholar
Gurr, L. 1957. Bumble bee species present in the South Island of New Zealand. N.Z. J. Sci., Tech. A, 38: 9971001.Google Scholar
Haas, A. 1946. Neue beobachtungen zum problem der flugbahnen bei hummelmännchen. Z. Naturf. (Weisbaden) 1: 596600, 2 figs.Google Scholar
Haas, A. 1949 a. Gesetzmässigkeiten und rätsel des hummelfluges. Entomon (Munich) 1: 3740.Google Scholar
Haas, A. 1949 b. Arttypische flugelbohoren von hummelmännchen. Z. vergl. Physiol. 31: 281307, 9 figs.Google Scholar
Haas, A. 1949 c. Gesetzmässiges flugverhalten der männchen von Psithyrus silvestris Lep. und einiger solitärer apiden. Z. vergl. Physiol. 31: 671683, 4 figs.Google Scholar
Haas, A. 1962. Phylogenetically meaningful behavioral changes in bumblebees. 2. Report on behavior studies on a nest with worker-queen (Bombus hypnorum). Z. Tierpsychol. 19(3): 356370. [Title and paper in German with English summary.]Google Scholar
Haliday, A. H. 1836. (See under Curtis, J., et al., 1836.)Google Scholar
Handlirsch, A. 1888 a. Die hummelsammlung des K. K. naturhistorischen Hofmuseums. Annln naturh. Hofmus. Wien 3(h. 3): 209250, taf. x.Google Scholar
Handlirsch, A. 1888 b. Vortrag über die variabilität und die geographical verbreitung der hummeln, welchen wir hier auszugsweise mittheilen, und demonstrierte zur erläuterung die wichtigsten formen der gattung Bombus. Verh. zool.-bot. Ges. Wien 38: 3436.Google Scholar
Handlirsch, A. 1891. Hummelstudien, I–II. Annln naturh. Hofmus. Wien 6: 446454, 2 figs.Google Scholar
Hänninen, P. 1962. Bumblebee species on red clover in central Finland. Valt. maatal. koetoim. julk., No. 197, pp. 120 [21].Google Scholar
Harrington, W. H. 1903. Hymenoptera (pp. 99–100). In: Entomological record, 1902. 33rd Rep. ent. Soc. Ont. (Canada), pp. 87101.Google Scholar
Harris, M. 1782. An exposition of English insects, etc., viii + 166 pp. + 4 unnumb. index pp. and 50 pls. (col.). White & Robson, London. (Essentially, a duplication of the original 1776 ed., not examined in detail.)Google Scholar
Harris, T. W. 1833. Insects (Part IV, p. 589.)In: Report on the geology, mineralogy, botany and zoology of Massachusetts, vii + 692 pp. Adams, Amherst.Google Scholar
Harris, T. W. 1835 a. Insects (Part VIII, pp. 33–82). In: Hitchcock et al., Catalogue of the animals and plants of Massachusetts. Adams, Amherst.Google Scholar
Harris, T. W. 1835 b. Insects. In: Hitchcock et al., Catalogue of the animals and plants of Massachusetts, pp. 553602. (2nd ed.)Google Scholar
Harrison, J. W. H. 1918. The pairing habits of certain bees. Entomologist's Rec. 30: 1112.Google Scholar
Harrison, J. W. H. 1948. Humble-bees (Bombus) at orchard flowers. Entomologist's mon. Mag. 84: 24.Google Scholar
Harvey, F. L., and Knight, O. W.. Insects collected at Jackman, Maine. Psyche, Camb. 8: 7779.Google Scholar
Härter, E. 1887. Ueber schmarotzerhummeln in einen neste der feldhummel (Bombus agrorum). Dt. ent. Z. 31(h. 1): 224.Google Scholar
Härter, E. 1890. Biologische beobachtungen an hummeln, 27. Ber. oberhess. Ges. Nat. Heilkunde, pp. 5975.Google Scholar
Hase, A. 1926. Über die nester der wachsmottenraupen und der aphomiaraupen. Arb. biol. Abt. (Anst.-Reichsanst.), Berlin 14: 555565.Google Scholar
Hasselrot, T. B. 1951. Artificiell odling av humler. Faun. Revy 4: 110116.Google Scholar
Hasselrot, T. B. 1952. A new method for starting bumblebee colonies. Agron. J. 44: 218219.Google Scholar
Hasselrot, T. B. 1953 a. Meddelande från försöken med domesticering av humlor. Medd. sv. Fröodlareförb. 2: 6268.Google Scholar
Hasselrot, T. B. 1953 b. Künstliche aufzucht von hummeln. Schweiz. landw. Monatsh. 3: 94100.Google Scholar
Hasselrot, T. B. 1960. Studies on Swedish bumblebees (Genus Bombus Latr.). Their domestication and biology. Opusc. ent., Suppl. XVII, 192 pp., 51 figs.Google Scholar
Haverhorst, P. 1909. De paring van Bombus hortorum L. Ent. Ber., Amst. 2: 305.Google Scholar
Haviland, G. D. 1887. Humble bees. Br. Bee J. 15: 217.Google Scholar
Hazeltine, W. E., and Chandler, L.. 1964. A preliminary atlas for the identification of female bumble bees (Hymenoptera: Apidae). J. Kans. ent. Soc. 37(1): 7787 (incl. 6 pls.).Google Scholar
Hedicke, H. 1926. Beitrage zur apidenfauna der Philippinen (Hym.). (2. Beitrage zur kenntnis orientalischer apiden.)Dt. ent. Z., H. 5, pp. 413423.Google Scholar
Hedicke, H. 1930. Hymenoptera. 2 Teil. Insekten. In: Brohmer, Ehrmann u. Ulmer, Die Tierwelt Mitteleuropas, 5 (h. 1), pp. 1246.Google Scholar
Hedicke, H. 1942. Beiträge zur synonymie der apiden (Hym.). V. Die beiden von Swederus beschriebenen bienen. Mitt. dt. ent. Ges., E.V., 11(1–2): 910.Google Scholar
Heer, O. 1836. Einfluss des alpenklimas sur die farbe der insekten. In: Froebel u. Heer, Mittheilungen aus dem Gegiete der Theoretischen Erdkunde, 1: 161170.Google Scholar
Heer, O. 1850. Die insektenfauna der tertiärgebilde von Oeningen und von Radoboj in Croatien. 2: Abtheil. Neue Denkschr. Allg. schweiz. Ges. naturw. 11: 1264, 17 taf.Google Scholar
Heer, O. 1865. Die urwelt der Schweiz. xxix + 622 pp., XI Taf., 1 mp. Schulthess, Zurich.Google Scholar
Heer, O. 1867. Fossile hymenopteren aus Oeningen und Radoboj. Neue Denkschr. Allg. schweiz. Ges. naturw. 22(3): 342, 3 taf.Google Scholar
Heikertinger, F. 1919. Bionomische irrtümer. I: Der rotklee und die hummeln. Z. Naturw. Erkundl., Unterricht, pp. 374376.Google Scholar
Hellén, W. 1933. Hymenoptera Aculeata aus Finmarken in Norwegen. Notul. ent. 13(1–2): 4143.Google Scholar
Henriksen, K. L. 1937. Insects collected on the Fifth Thule Expedition. Rep. 5th Thule Exped., 19211924, 2(8): 134.Google Scholar
Henriksen, K. L. 1939. A revised index of the insects of Greenland, containing suppl. to list by Kai L. Henriksen and Will. Lundbeck: Greenland land arthropods (Medd. Grønl., Bd. 22, 1917). Medd. Grønl. 119(10): 1111.Google Scholar
Henriksen, K. L., and Lundbeck, W.. 1917. Conspectus Faunae Groenlandicae. Pars secunda. Landarthropoder (Insects et Arachnida). Medd. Grønl. 22(2): 484821. + 1 p. contents. (Also, issued as an identically paginated separate, Grønlands landarthropoder (Insecta et Arachnida Groenlandicae).)Google Scholar
Henslow, G. 1878. The fertilization of the scarlet runner by humble-bees. Gdnrs' Chron. 10(n.s.): 561, 1 fig.Google Scholar
Herbst, P. 1917. Durchsicht der von Spinola in der von Claude Gay 1851 herausgegebenen historia fisica y politica de Chile, Zoologia, vol. VI beschriebenen Apidae, nebst einigen einleitenden bemerkungen. Dt. ent. Z., Hfn. 3–4, pp. 257292.Google Scholar
Herold, W. 1917. Bombus hypnorum L. in nistkästen. Z. wiss. InsektBiol. 13: 251252.Google Scholar
Herrich-Schäffer, G. A. W.. 1840. Nomenclator entomologicus. Verzeichnis der Europäischen insecten; zur erleichterung des tauschverkehrs mit preisen versehen. Zweites heft, viii + 40 and 244 pp., 8 taf. Pustet, Regensburg.Google Scholar
Harrison, Heslop (see under Harrison, J. W. H.).Google Scholar
Hicks, C. H. 1929. Notes on a nest of B. vosnesenskii Radoszkowski. Pan-Pacif. Ent. 5: 97100.Google Scholar
Hicks, E. A. (1959). Checklist and bibliography on the occurrence of insects in birds' nests. 681 pp. Iowa State College Press. (Printed in Denmark.)Google Scholar
Himmer, A. 1925. Körpertemperaturmessungen an bienen und anderen insekten. Erlanger Jb. Bienenk. 3: 44115.Google Scholar
Himmer, A. 1933. Die nestwärme bei Bombus agrorum (Fabr.). Biol. Zbl. 53: 270276.Google Scholar
Hingston, R. W. G. 1920. A naturalist in Himalaya. 300 pp. Witherby, London.Google Scholar
Hitchock, E., et al. 1833. Rep. Geol. Min. Bot. Zool. Mass. XII + 692 pp., illus. Adams, Amherst. (Pt. IV. Cat. Anim. Plts. Mass., pp. 543–652; Insects, Harris, pp. 566–595.)Google Scholar
Hitchock, E., et al. 1835 a. Rep. Geol. Min. Bot. Zool. Mass. XII + 702 pp., illus. 2nd ed. Adams, Amherst. (Pt. IV. Cat. Anim. Plts. Mass., pp. 521–660. Insects, Harris, pp. 553–602.)Google Scholar
Hitchock, E., et al. 1835 b. Cat. Anim. Plts. Mass., 6 unnumb. + pp. 7142. Adams, Amherst. (VIII: Insects, Harris, pp. 33–82.) (Separate, pp., supra.)Google Scholar
Hobbs, G. A. 1957. Alfalfa and red clover as sources of nectar and pollen for honey, bumble, and leaf-cutter bees (Hymenoptera: Apoidea). Can. Ent. 89: 230235.Google Scholar
Hobbs, G. A. 1958. Factors affecting value of bees (Hymenoptera: Apoidea) as pollinators of alfalfa and red clover. Proc. 10th int. Congr. Ent., Vol. 4, pp. 939942.Google Scholar
Hobbs, G. A., Virostek, J. F., and Nummi, W. O.. 1960. Establishment of Bombus spp. (Hymenoptera: Apidae) in artificial domiciles in southern Alberta. Can. Ent. 92(11): 868872.Google Scholar
Hobbs, G. A., Nummi, W. O., and Virostek, J. F.. 1961. Food gathering behaviour of honey, bumble and leaf-cutter bees (Hymenoptera: Apoidea) in Alberta. Can. Ent. 93(6): 409419.Google Scholar
Høeg, O. A. 1924. Pollen on humble-bees from Novaya Zemlya. Rep. Norweg. Exped. N. Zem., No. 27, 18 pp.Google Scholar
Høeg, O. A. 1929. Pollen on humble-bees from Ellesmere Land. K. norske Vidensk. selsk. Förh. 2(16): 5557. Trondhjem.Google Scholar
Hoffer, E. 1881 a. Biologische beobachtungen an hummeln und schmarotzerhummeln. Mitt. naturw. Ver. Steierm. 18: 6892.Google Scholar
Hoffer, E. 1881 b. Beschreibung eines instructiven nestes von Bombus confusus Schenck. Mitt. naturw. Ver. Steierm. 18: 93105, 1 pl.Google Scholar
Hoffer, E. 1881 c. Verzeichniss der in der umgebung von Graz vorkommenden hummelarten. Mitt. naturw. Ver. Steierm. 18: 106109.Google Scholar
Hoffer, E. 1882 a. Die hummeln Steiermarks. Lebensgeschichte und beschreibung derselben. I Hälfte. 31 Jber., Steiermärk. Landes-oberrealsch., Graz. 2 unnumb. + pp. 192, taf. A and pls. 1–2. (See [Katter, F.], 1882a, for review. Separate, Part 1, original pagination, Leuschner & Lubensky, Graz, 1883.)Google Scholar
Hoffer, E. 1882 b. Die hummelbauten. Kosmos 12: 412421, 4 figs.Google Scholar
Hoffer, E. 1883 a. Sammeln die jungen hummelweibchen schon im ersten jahre ihres lebens pollen? Kosmos 13: 675676.Google Scholar
Hoffer, E. 1883 b. Die hummeln Steiermarks. Lebensgeschichte und beschreibung derselben. II Hälfte. 32 Jber., Steiermärk. Landes-oberrealsch., Graz. pp. 198, 3 pls. (No. 3, taf. IV–V.) (Separate, Part 2, original pagination, Leuschner & Lubensky, Graz, 1883.)Google Scholar
Hoffer, E. 1883 c. Alte und neue beobachtungen über das familienleben der hummeln. Mitt. naturw. Ver. Steierm. (Grätz), pp. lviilxi.Google Scholar
Hoffer, E. 1884. Einige bisher unbekannte oder wenig bekannte hummelnester. Kosmos 14: 114119.Google Scholar
Hoffer, E. 1885 a. Neue hummelnester von den hochalpen. Kosmos 15: 291300.Google Scholar
Hoffer, E. 1885 b. Ueber einige hymenopteren aus der umgebung von Travnik in Bosnien. Wien. ent. Ztg. 4(h. 1): 1114.Google Scholar
Hoffer, E. 1885 c. Ein sehr lehrreiches nest des Bombus terrestris L. Wien. ent. Ztg. 4(h. 3): 8489.Google Scholar
Hoffer, E. 1886. Wunderbares erinnerungsvermögen der hummeln. Ein beitrag zur tierpsychologie. Kosmos 18: 111115.Google Scholar
Hoffer, E. 1888. Beiträge zur hymenopterenkinde Steiermarks und der angrenzenden länder. Mitt. naturw. Ver. Steierm. 24: 65100 (1887).Google Scholar
Hoffer, E. 1889. Die schmarotzerhummeln Steiermarks. Lebensgeschichte und beschreibung derselben. Mitt. naturw. Ver. Steierm. 25: 82159, 1 pl. (1888).Google Scholar
Hoffer, E. 1905. Ueber des farbenvariieren der hummeln. Mitt. naturw. Ver. Steierm. 41: lxvlxvii.Google Scholar
Hoffmann, W. E. 1938. Coleoptera and Hymenoptera from Kwantung including Hainan Island. Lingnan Sci. J. 17(3): 439460.Google Scholar
Holdhaus, K. 1912. Kritisches verzeichnis der boreoalpinen tierformen (Glazielrelikte) der Mittel– und Südeuropäischen hochgebirge. Ann. naturh. Hofmus., Wien 26(3–4): 339440.Google Scholar
Holdhaus, K. 1929. Die geographische verbreitung der insekten. In: Schroeder's Handbuch der entomologischen 2: 5921058. Fischer, Jena.Google Scholar
Holm, Sv. N. 1960. Experiments on the domestication of bumblebees (Bombus Latr.), in particular B. lapidarius L., and B. terrestris L. K. vet.- og Landbohøisk. Aarsskr., pp. 119. (Also, Yb. R. Vet. agric. Coll. (Copenhagen), same pagination.)Google Scholar
Holm, Sv. N., and Haas, H.. 1961. Erfahrungen und resultate dreijähriger domestikations-versuche mit hummeln. Albrecht-Thaer-Arch. 5(4): 282304.Google Scholar
Holmberg, E. L. 1879. Sobre las especie del genero Bombus halladas en la República Argentina. Ann. Soc. cient. argent. 8: 154162.Google Scholar
Holmberg, E. L. 1903. Delectus hymenopterologicus Argentinus. An. Mus. nac. Buenos Aires, Ser. 3, 9: 377383.Google Scholar
Holmgren, A. E. 1872. Insekter frän Nordgrönland, samlade af Prof. W. E. Nordenskiöld år 1870. Öfvers. K. VentensskAkad Förh. 29(6): 97105.Google Scholar
Holmgren, A. E. 1883. [Hymenoptera and Diptera, pp. 139–161.] In: Insecta a viris doctissimis nordenskiöld illum ducem sequentibus in insulis Waigatsch et Novaja Semlia anno 1875 collecta. Ent. Tidskr., Årg. 4, H. 3, pp. 139194 (with C. Aurivillius).Google Scholar
Hopkins, I. 1914. History of the humble-bee in New Zealand: Its introduction and results. Bull. N.Z. Dep. Agric., No. 46 (n.s.), 29 pp. (With black and white photos of Sladen's 1912 col. pls. as follows: I, lower one-half of II, III, upper two-thirds of V.)Google Scholar
Höppner, H. 1897 a. Über zwei unbekannte oder weniger bekannte hummelnester. Ent. Nachr. 23(21): 313316.Google Scholar
Höppner, H. 1897 b. Ueber die bei Freissenbüttel vorkommenden farbenvarietäten des Bombus soroensis F. Ent. Nachr. 23(22): 329331.Google Scholar
Höppner, H. 1901 a. Bienenfauna der dünen und weserabhänge zwischen Uesen und Baden. Abh. naturw. Ver. Bremen 15: 231255.Google Scholar
Höppner, H. 1901 b. Weitere beiträge zur biologie nordwestdeutscher hymenopteren. II: Über das vorkommen mehrerer Bombus-arten in einem neste. Allg. Z. Ent. 6: 132134, 1 fig.Google Scholar
Höppner, H. 1902. Weitere beiträge zur biologie nordwestdeutscher hymenopteren. VI: Über einige nestbauten des Bombus soroensis F., var. proteus Gerst. Allg. Z. Ent. 7(16): 298301, taf. 2.Google Scholar
Horber, E. 1961. Beitrag zur domestikation der hummeln. Untersuchungen über die natürliche überwinterung, die lagerung im kühlschrank und die kontinuierliche haltung ganzer völker von Bombus hypnorum L. (Apidae, Hym.). Vjschr. naturf. Ges. Zürich 106: 424447.Google Scholar
Howard, L. O. 1891. Exhibition of specimens. In: Proceedings, Entomological Society, Washington. Insect Life 3: 431.Google Scholar
Howard, L. O. 1901. The insect book. XXVII + 429 pp., 48 pls., 264 figs. Doubleday, Page, New York.Google Scholar
Howard, L. O. 1918. An unusual bumblebee's nest. Ent. News 29: 114115.Google Scholar
Howard, L. O., and Fiske, W. F.. 1911. The importation into the United States of the parasites of the gipsy moth and the brown-tailed moth. U.S. Dep. Agric., Bur. Ent. Bull. 91, 344 pp. (p. 45.)Google Scholar
Hüber, P. 1801. Observations on several species of the genus Apis, known by the name of humble-bees, and called Bombinatrices by Linnaeus. Trans. Linn. Soc. Lond. 6: 214298, pls. 25–27.Google Scholar
Hudson, G. V. 1918. Bombus terrestris L. at midwinter in New Zealand. Entomologist's mon. Mag. 4: 212.Google Scholar
Hudson, W. H. 1892. Humblebees and other matters. (pp. 154–161.) In: The naturalist in La Plata, vii + 388 pp., 4 pls. Chapman & Hall, London.Google Scholar
Hulkkonen, O. 1928. Zur biologie der Südfinnischen hummeln. Ann. Univ. Åboensis (Turku), Ser. A, 3(1): 118.Google Scholar
Ihering, R., v. 1903. Biologische beobachtungen an Brasilianischen Bombus-nestern. Allg. Z. Ent. 8: 447453, 5 figs.Google Scholar
Illiger, K. 1806. II. William Kirby's familien der bienenartigen insekten, mit zusätzen, nachweisungen und bemerkungen. Mag. Insektenk. 5: 28175.Google Scholar
Ingham, A. G. 1948. Save the bumble bees. Org. Gard. 13(5): 49.Google Scholar
Jackson, L. O. 1920. Bumblebees of District of Columbia and vicinity. Proc. ent. Soc. Wash. 22(7): 162168.Google Scholar
Jacob, B. 1901. La rareté des Bombus en Suisse–Question. Feuille jeun. Nat. 31(s. 4): 293.Google Scholar
Jacobs-Jessen, U. F. 1959. Zur orientierung der hummeln und einiger anderer hymenopteren. Z. vergl. Physiol. 41(6): 597641.Google Scholar
Jacobson, G. G., Iakobsen, G. G. 1899. List of the insects of Novaya Zemlya. In: Compte rendu de l'expédition envoyé par l'Académie Impériale des Sciences à l'île de Novaia Zemlia en été 1896. Mem. Acad. Sci. St. Petersbourg, Ser. 8, 8(4): 171244. (Also, Mem. Akad. nauk SSSR, Ser. 8, Cl. phys.-math., 8: 171–244, 1898.)Google Scholar
Jacobson, G. G., Iakobsen, G. G. 1955. Le nid et la nidification chez quelques abeilles des Andes tropicales. Ann. Sci. nat. (zoöl., ser. 11), Paris 17: 311349, 22 figs.Google Scholar
Jany, E. 1950. Der “Einbruch” von erdhummeln (Bombus terrestris L.) in die blüten der feuerbohne (Phaseolus multiflorus Willd.). Z. argen. Ent. 32: 172183, 5 figs.Google Scholar
Jarvis, T. D. 1906. Bumble-bees that fertilize the red clover. 36th Rep. ent. Soc. Ont. (Canada), pp. 128129 (1905).Google Scholar
Jarvis, T. D. 1907. Two insects affecting red clover seed production. 37th Rep. ent. Soc. Ont. (Canada), pp. 4145 (1906).Google Scholar
Joergensen, P. 1909. Beobachtungen über blumenbesuch, biologie, verbreitung usw. der bienen von Mendoza (Hym.). Teil II. Dt. ent. Z., H. 2, pp. 211227.Google Scholar
Joergensen, P. 1911. Los crisididos y los himenópteros aculeatos de la Provincia de Mendoza. An. Mus. nac. Buenos Aires 22: 267338.Google Scholar
Joergensen, P. 1912. Revision der apiden der Provinz Mendoza, Republik Argentina. Zoöl. Jb., abt. syst. 32: 89162.Google Scholar
Johansen, F. 1910. I. General remarks on the life of insects and arachnids in northeast Greenland. In: Number 2, The insects of the Danmark [sic!] Expedition [to Greenland's northeast coast, 1906–1908]. Meddr. Grønland 43: 3554, 5 figs.Google Scholar
Jordan, R. 1936 a. Ein weg zur zwangsläufigen nestgründung überwinterter Bombus-weibchen an einem bestimmten platz. Arch. Bienenk. 17: 3944.Google Scholar
Jordan, R. 1936 b. Beobachtung der arbeitsteilung im hummelstaate (Bombus muscorum). Arch. Bienenk. 17: 8191.Google Scholar
Jurine, L. 1801. (cf. Anon.)Google Scholar
Jurine, L. 1807. Nouvelle méthode de classer les hyménoptères et les diptères. Hyménoptères. Volume 1, 319 + 4 pp., 14 pls. (col.). Paschoud, Genève.Google Scholar
[Katter, F.]. 1881. Schmiedeknecht, concerning “Zur speziesfrage”. Ent. Nachr. 7(22): 321323.Google Scholar
[Katter, F.] 1882 a. Hoffer, E.Ueber den sogenannten trompeter in den hummelnestern”. Ent. Nachr. 8(12): 178182.Google Scholar
[Katter, F.] 1882 b. Hoffer, E.Ueber die lebensweise des Apathus (Psithyrus) campestris Pz.” Ent. Nachr. 8(12): 182186.Google Scholar
[Katter, F.] 1882 c. Hoffer, E.Die hummeln Steiermarks, lebensgeschichte und beschreibung derselben”. Ent. Nachr. 8(18–19): 253260.Google Scholar
Keating, W. H. 1824. Narrative of an expedition to the source of St. Peter's River, Lake Winnepeek, Lake of the Woods, etc. … in … 1823 … under the command of S. H. Long. … Compiled from the notes of Major Long, Messrs. Say, Keating & Colhoun, by W. H. Keating. (Appendix) 2 vol. illust. 8°, London, 1825. Vol. II: Appendix. Pt. I contains: I. Zoology, by T. Say; II: Botany, by de Schweinite.Google Scholar
Kellicott, D. S. 1881. Observations and notes. Bull. Buffalo Soc. nat. Sci. 4: 31.Google Scholar
Kellicott, D. S. 1883. (See under Osborn.)Google Scholar
Kellogg, V. L. 1905. American insects. vii + 674 pp. Holt, New York. (p. 519.)Google Scholar
Kerr, W. E. 1960. Evolution of communication in bees and its role in speciation. Evolution 14(3): 386387.Google Scholar
Khan, M. A. 1957 a. Sphaerularia bombi Duf. (Nematoda: Allantonematidae) infesting bumblebees and Sphaerularia hastata sp. nov. infesting bark beetles in Canada. Can. J. Zool. 35(4): 519523.Google Scholar
Khan, M. A. 1957 b. Sphaerularia ungukecauda sp. nov. (Nematoda: Allantonematidae) from the douglas fir beetle, Dendroctonus pseudotsugae Hopk., with key to Sphaerularia species (Emended). Can. J. Zool. 35(6): 635639.Google Scholar
Kirby, W. 1802. Monographia Apum Angliae. Vol. 1, xxii + 258 pp., 14 pls.; vol. 2, 388 pp., 4 pls. Ipswich, England. (Publ. by the author.)Google Scholar
Kirby, W. 1824. Land invertebrate animals (Insects, pp. 214–219). In: A supplement to the appendix of Captain Perry's voyage for the discovery of a north-west passage, in the years 1819–20. An account of the subjects of natural history. pp. 181310, (129), 6 pls. Murray, London.Google Scholar
Kirby, W. 1837, Part 4, the insects. In: Richardson, Fauna Boreali-Americana; or the zoology of the northern parts of British America, etc. xxxix + 325 pp., 8 pls. Fletcher, Norwich.Google Scholar
Kirby, W., and Spence, W.. 1818. An introduction to entomology; or elements of the natural history of insects. Vol. 2, 529 pp. For Longman, Hurst, Rees, Orme & Brown by Taylors, London.Google Scholar
Kirchner, L. A.. 1857. Die bienen des Budweiser Kreises. Lotos 7: 30–39, 49–55, 69–78, 121–126, 165–170, 180–190, 213–214, 228–234, 242247, 1 taf.Google Scholar
Kirchner, L. A.. 1867. Catalogus Hymenopterorum Europae. 285 pp. Vindobonae. (Herausgegeben zool-bot. Ges. Wien.)Google Scholar
Kirchner, O. V. 1911. Blumen und insekten. 440 pp., 2 pls., 159 figs. Leipzig.Google Scholar
Kivirikko, E. 1951. Aphomia sociella L. (Lep., Pyralidae) als bewohner von nistkästen. Ann. ent. fenn. 7: 207.Google Scholar
Klapálek, F. 1905. Die hummeln Böhmens. Arch. Landesdf. Bohmen 12(3): 157.Google Scholar
Kloet, G. S., and Hincks, W. D.. 1945. A check list of British insects. lix + 483 pp. Stockport, England. (Publ. by the authors.)Google Scholar
Klug, F. 1807. V. Kritische revision der bienengattungen in Fabricius neuem piezatensystems, etc. Mag. Insekt. 6: 200228.Google Scholar
Knechtel, W. K. 1939. Hummeln des bucegi Rumania. Bull. Soc. Nat. Român., Bucharest, No. 14, pp. 5069, 2pls.Google Scholar
Knechtel, W. K. 1955. Fauna Republícii populare Romîne. Insecta. Hymenoptera subfamilia Apinae. Acad. Rep. pop. Rom., Bucharest 9(fasc. 1): 1111, 46 figs.Google Scholar
Kono, H., and Tomanuki, K.. 1928. Insekten – ausbeute aus Nord-Sachalin. Insecta matsum. (Sapporo) 2(3): 128129.Google Scholar
Körner, L., and Zarapkin, S.. 1938. Über gerichtete variabilität. VII. Die färbungsvariation bei Bombus lapponicus Fabr.–weibchen. Z. Morph. Ökol. Tiere 34: 739752.Google Scholar
Korckman, H. 1938. Havaintoja pölyttävien kimalaisten kielen pituudesta, työskentelytavasta ja –nopeudesta Tammistossa v. 1937. Luon. Yst. 42: 124132.Google Scholar
Krause, G. 1904. Zaunkönig, kuckuck, hummel. Ornith. Monatschr. 29(9): 365368.Google Scholar
Krausse, A. H. 1908 a. Bombus terrestris dettoi m. Int. ent. Z. (Guben) 2(20): 132.Google Scholar
Krausse, A. H. 1908 b. Zwei neue hummelform aus Schweden: Bombus pratorum aureus m. und Bombus soroënsis quattricolor m. Int. ent. Z. 2(20): 133.Google Scholar
Krausse, A. H. 1908 c. Eine neue hummelform von Sardinien: Bombus hortorum arborensis m. Int. ent. Z. 2(21): 139140.Google Scholar
Krausse, A. H. 1908 d. Die formen von Bombus terrestris L. Int. ent. Z. 2(24):163.Google Scholar
Krausse, A. H. 1908 e. Eine neue hummelform aus Lapland. Bombus lapponicus pulchrior m. Ent. Wbl. (Leipzig) 25: 76.Google Scholar
Krausse, A. H. 1908 f. Zwei neue hummelformen von Sardinien: Bombus terrestris limbarae m. und Bombus terrestris gallurae m. Bombus lapponicus pulchrior m. Ent. Wbl. 25: 78.Google Scholar
Krausse, A. H. 1908 g. Eine neue hummelformen von Sardinien: Bombus hortorum Wolffi m. Bombus lapponicus pulchrior m. Ent. Wbl. 25:94.Google Scholar
Krausse, A. H. 1908 h. Bombus hortorum Ichnusae m. eine neue Sardische hummelform. Bombus lapponicus pulchrior m. Ent. Wbl. 25: 174.Google Scholar
Krausse, A. H. 1908 i. Eine neue Sardische hummelform: Bombus hortorum Haeckeli m. Bombus lapponicus pulchrior m. Ent. Wbl. 25: 174.Google Scholar
Krausse, A. H. [Krauze, ]. 1908 j. Bombologische notizen. Societas ent. 23(18): 138140.Google Scholar
Krausse, A. H. 1909 a. Bombologische bemerkungen. I: Ueber Bombus terrestris L., speziell über die Sardisch-Corsischen formen dieser spezies. Bombus lapponicus pulchrior m. Ent. Wbl. 23(24): 185187.Google Scholar
Krausse, A. H. 1909 b. Bombologische bemerkungen. II: Ueber Bombus hortorum L., speziell über die Sardisch-Corsischen formen dieser spezies. Bombus lapponicus pulchrior m. Ent. Wbl. 24(11):8587.Google Scholar
Krausse, A. H. 1909 c. Zur hummelfauna Sardiniens und Corsicas. Bol. Soc. ent. ital. 40(trim. 3–4): 219224 (1908).Google Scholar
Krausse, A. H. 1909 d. Bombus hortorum Eleonorae m. Int. ent. Z. (Guben) 3(3): 15.Google Scholar
Krausse, A. H. 1910 a. Hummelleben auf Sardinien. Ent. Rdsch. 27: 1517.Google Scholar
Krausse, A. H. 1910 b. Hummelleben auf Sardinien in winter. Ent. Rdsch. 27: 2324.Google Scholar
Krausse, A. H. 1911. Bombus terrestris limbarae A. H. Krausse, und Bombus terrestris sardous H. Friese. Int. ent. Z. (Guben) 5(29): 206.Google Scholar
Kriechbaumer, J. 1854. Beiträge zur kenntniss Deutscher bienen. I. Die schmarotzerhummelm. Linn. Ent. 9: 170188.Google Scholar
Kriechbaumer, J. 1870. Vier neue hummelarten. Verh. zool.-bot. Ges. Wien 20: 157160.Google Scholar
Kriechbaumer, J. 1873. Bemerkungen über einige hummelarten. Stettin. ent. Ztg 34(7–9): 335339.Google Scholar
Kriechbaumer, J. 1876. Das studium der hymenopteren, X. Ent. Nachr. 11: 165168.Google Scholar
Kristensen, K. 1906 a. Humlebierne (Bombus). Flora fauna, Silkeborg 8: 3461.Google Scholar
Kristensen, K. 1906 b. Bombus pomorum. Flora fauna, Silkeborg 8: 130132.Google Scholar
Kristof, L. 1883. “Eigene beobachtungen über das leben einheimischer hummeln” verbunden mit einer besprechung der darüber von Prof. Dr. E. Hoffer im 31. und 32. Jahresberichte der Steierm. Landes-Oberralschule (1882-1883) veröffentlichten monographie. Mitt. naturw. Ver. Steierm., pp. 6474.Google Scholar
Kröber, O. 1924. 35. Conopidae, pp. 1–48, 4 pls. In: Lindner, Die fliegen der Palaerktischen Region, Lief. 1.Google Scholar
Kröber, O. 1930. Familie Conopidae (blasenkopffliegen), pp. 119142, 40 figs. In: Dahls' and Bischoff's, Die tierwelt Deutschlands, etc., Teil 20.Google Scholar
Krogh, A., and Zeuthen, E.. 1941. The mechanism of flight preparation in some insects. Fr. exp. Biol. 18: 110.Google Scholar
Krombein, K. V. 1947. An unnoticed subgeneric name in Bombus. Proc. ent. Soc. Wash. 49: 170.Google Scholar
Krombein, K. V. 1959. Book review—“Bumblebees,” by Free and Butler. Science 130: 975.Google Scholar
Krombein, K. V., et al. 1958. Hymenoptera of America north of Mexico–synoptic catalog. Agriculture Monogr. 2, Suppl 1. 305 pp. (October.)Google Scholar
Krombein, K. V., Burks, B. D., et al. 1967. Agriculture Monogr. Suppl. 2.584 pp. (February.)Google Scholar
Kronfeld, M. 1888. Zur blumenstetigkeit der bienen und hummeln. Verh. zool.-bot. Ges. Wien 38: 785786.Google Scholar
Kronfeld, M. 1890. Aconitum und Bombus. Bot. Jb. 11: 1920, 1 fig., 1 pl.Google Scholar
Krüger, E. 1915. Biologisches von der hummel. Verh. naturw. Ver. Ham. 22: 4950.Google Scholar
Krüger, E. 1916. Untersuchungen zur natürlichen verwandtschaft der hummeln. Verh. naturw. Ver. Ham. 23: 86.Google Scholar
Krüger, E. 1917. Zur systematik der Mitteleuropäischen hummeln (Hym.). Ent. Mitt. 6: 5566.Google Scholar
Krüger, E. 1920. Beiträge zur systematik und morphologie der Mittel-europäischen hummeln. Zool. Jb., abt. syst. 42: 289464, taf. 3–7, 8 figs.Google Scholar
Krüger, E. 1924. Analytische studien zur morphologie der hummeln. No. 1. Die indices des kopfes der hummelweibchen. Zool. Jb., abt. syst. 48: 1128, 14 pls.Google Scholar
Krüger, E. 1928. Über die farbenvariätionen der hummelart Bombus agrorum F., I. Z. Morph. Ökol. Tiere 11: 361494, figs. 1–95.Google Scholar
Krüger, E. 1931. Über die farbenvariätionen der hummelart Bombus agrorum F., I. Z II. Morph. Ökol. Tiere 24: 148237, figs. 1–50.Google Scholar
Krüger, E. 1939. Die hummeln und schmarotzerhummeln von Sylt und dem benachbarten festland. Schr. naturw. Ver. Schlesw.-Hols. 23(h. 1): 28123.Google Scholar
Krüger, E. 1940. Ueber die farbenvariätionen der hummelart Bombus variabilis. Z. Morph. Ökol. Tiere 37: 276386, 1 pl., 71 figs.Google Scholar
Krüger, E. 1949. Beobachtungen von der Insel Sylt. Bombus, No. 57, pp. 247248.Google Scholar
Krüger, E. 1951 a. Phänoanalytische studien an einigen artender untergattung Terrestribombus O. Vogt. (Hymen. Bomb.). I Teil. Tijdschr. Ent. 93: 141197, 22 figs. (1950).Google Scholar
Krüger, E. 1951 b. Ueber die bahnfluge der männchen der gattungen Bombus und Psithyrus (Bombidae, Hymenopt.). Z. Tierpsychol. 8: 6175, 1 fig.Google Scholar
Krüger, E. 1954. Phaenoanalytische studien an einigen arten der untergattung Terrestribombus O. Vogt (Hymenoptera, Bombidae). II Teil. Tijdschr. Ent. 97: 263298, 10 figs.Google Scholar
Krüger, E. 1956. Phaenoanalytische studien an einigen arten der untergattung Terrestribombus O. Vogt (Hymenoptera, Bombidae). II Teil. Tijdschr. Ent. 99(1–2): 75105.Google Scholar
Krüger, E. 1958. Phaenoanalytische studien an einigen arten der untergattung Terrestribombus O. Vogt (Hymenoptera, Bombiidae [sic!]). III Teil. Tijdschr. Ent. 101(3–4): 283344.Google Scholar
Kruseman, G. 1937. [A note on the occurrence of Bombus jonellus in Holland, with flight records.] Tijdschr. Ent. 80: 6364 (Verslag Ned. ent. Ver.).Google Scholar
Kruseman, G. 1947. Tabellen tot het bepalen van de nederlandsche soorten der genera Bombus Latr. en Psithyrus Lep. Ibid. 88: 173188.Google Scholar
Kruseman, G. 1948. [In: “Korte mededelingen”.] Ent. Ber., Amst. 12(282): 263264.Google Scholar
Kruseman, G. 1950 a. Note sur quelques races de Bombus agrorum (F.) nec Gmel. Ent. Ber., Amst. 13: 4347.Google Scholar
Kruseman, G. 1950 b. Is Bombus agrorum ramonioides Krug. a relict from Doggersland?Proc. 8th int. Congr. Ent., pp. 427428 (1948).Google Scholar
Kruseman, G. 1951. Afwijkende Bombus terrestris L. Ent. Ber., Amst. 13(309): 232.Google Scholar
Kruseman, G. 1952. Subgeneric division of the genus Bombus Latr. Trans. 9th int. Congr. Ent., Vol. 1, pp. 101102 (1951).Google Scholar
Kruseman, G. 1953 a. Psithyrus meridionalis Rich., ab. deboeri, nov. ab. Ent. Ber., Amst. 14: 266.Google Scholar
Kruseman, G. 1953 b. Bombus laesus mocsaryi Kriechb. trouvé en France. Ent. Ber., Amst. 14: 266.Google Scholar
Kruseman, G. 1953 c. Psithyrus norvegicus Sp.–Sn. Ent. Ber., Amst. 14: 266.Google Scholar
Kruseman, G. 1953 d. Note on Bombus jonellus (Kirby). Ent. Ber., Amst. 14: 382.Google Scholar
Kruseman, G. 1955. Vindplaatsen van Bombus magnus Vogt in de collectie van het zoologisch museum te Amsterdam (Hym.). Ent. Ber., Amst. 15: 398.Google Scholar
Kruseman, G. 1958 a. Bombus agrorum (F.) in Sweden. Opusc. ent. 23(hfn. 1–2): 76.Google Scholar
Kruseman, G. 1958 b. Notes sur les bourdons pyrénéens du genre Bombus dans les collections Néerlandaises. Beaufortia (Zool. Mus., Amsterdam) 6(72): 161170, 1 pl. (col.).Google Scholar
Kruseman, G. 1959. Enkele zoogeografische opmerkingen over de hommelfauna van Zweden (Hym., Apid.). Ent. Ber., Amst. 19(1): 4951.Google Scholar
Kruseman, G. 1960. Over regionale convergentie bij hommels (Hym., Bomb.). Ent. Ber., Amst. 20(12): 241243.Google Scholar
Kruseman, G. 1961. Bombus confusus Schenck dans les Pyrénées-orientales. Vie Milieu 11 (fasc. 4): 688 (1960).Google Scholar
Kugler, H. 1943. Hummeln als blütenbesucher. Ergebn. Biol. 19:143323.Google Scholar
Kupchikova, L. M. 1954. [Pollination of red clover by bumblebees in the Komi, SSSR.]Trans. Komi fil. an., SSSR 2: 8390. (Entirely in Russian.)Google Scholar
Kupchikova, L. M. 1959. Nesting of bumblebees in the Komi, SSSR. Ent. Obozr. 38(3): 540545.Google Scholar
(In Russian; transl., “Entomological Review38(3): 484490, 1960.)Google Scholar
LaBerge, W. E. 1956. Catalogue of the types in the Snow Entomological Museum. Part I (Hymenoptera). Univ. Kans. sci. Bull. (Pt. I): 501531.Google Scholar
LaBerge, W., and Webb, M. C.. 1962. The bumblebees of Nebraska. Nebr. agric. Exp. Stn Res. Bull. 205, 38 pp.Google Scholar
Laidlaw, W. B. R. 1930. Notes on some humble bees and wasps in Scotland. Scott. Nat., pp. 121–125, 135136.Google Scholar
Laidlaw, W. B. R. 1931 a. Additional notes on humble bees in Scotland. Scott. Nat., pp. 2324.Google Scholar
Laidlaw, W. B. R. 1931 b. Notes and observations on humble bees in Aberdeen. Scott. Nat., pp. 181183.Google Scholar
Laidlaw, W. B. R. 1932. Gynandromorphic form of Bombus and other notes on bees and wasps in Scotland. Scott. Nat., pp. 2557.Google Scholar
Landois, H. 1900. Bombus lapidarius in copula. Westphal. Ver. Wiss. Kunst. 28(Jber.): 2829.Google Scholar
Langhoffer, A. 1916. Blütenbiologische beobachtungen an apiden. III. Bombus. Z. wiss. Insekt Biol. 12: 310318.Google Scholar
Latreille, P. A. 1802. Histoire naturelle. Générale et particulière des crustacés et des insectes. Vol. 3, 467 pp. Dufart, Paris.Google Scholar
Latreille, P. A. 1805. Histoire naturelle. Générale et particulière des crustacés et des insectes. Vol. 13, 432 pp.; vol. 14, 432 pp. Dufart, Paris.Google Scholar
Lavrekhin, F. A. 1946. Polymorphism in honeybees and the problem of many queens. Pchelovodstvo, Mosk. 23(2–3): 2834. (In Polish.)Google Scholar
Laclercq, J. 1960. Fleurs butinées par les bourdons (Hym. Apidae, Bombinae) dans la région Liégeoise (1945–1959). Bull. Inst. Agron. Stns Rech. Gembloux 28(2): 180198.Google Scholar
Leech, H. B. 1947. A Psithyrus insularis queen in a Bombus mixtus nest. Can. Ent. 79: 134.Google Scholar
Legge, M. M. 1937. Parasitic larvae in B. terrestris (L.). Parasitology 29: 524525, 5 figs.Google Scholar
Lehmensick, R. 1956. Efrolgreiche versuche zur hummelzucht in geschlossenen räumen. Zool. Anz. 157: 110113.Google Scholar
Leonard, M. D., et al. 1928. A list of the insects of New York, with a list of the spiders and certain other allied groups. Cornell Univ. agric. Exp. Stn Mem. 101, 1121 pp., 1 fig., 1 mp.Google Scholar
Lepeletier, A. L. M., Fargeau, de St. 1832. Observations sur l'ouvrage institute “Bombi Scandinaviae Monographico Tractato”, etc. Ann. Soc. ent. Fr. 1: 366382.Google Scholar
Lepeletier, A. L. M., Fargeau, de St. 1836. Histoire naturelle des insectes. Hymén[optères]. Vol. 1, 547 pp. Roret (Libr. Encly.), Paris.Google Scholar
Lepeletier, A. L. M., Fargeau, de St. 1841. Histoire naturelle des insectes. Hymén[optères]. Vol. 2, pp. 1690, and Atlas, 16 pp. (48 pls.)Google Scholar
Lesse, H. d. 1952. Hymenoptera of French Polar Expedition 1949 to Greenland. Bull. Soc. ent. Fr. 57: 5358.Google Scholar
Leuchart, R. 1885 a. Über die entwicklung der Sphaerularia bombi. Zool. Anz. 8: 273277.Google Scholar
Leuchart, R. 1885 b. Über Sphaerularia bombi. (Nachtrag und berichtigung.) Zool. Anz. 8: 358.Google Scholar
Leuckart, R. 1887. Neue beiträge zur kenntniss des baues und der lebensgeschichte der nematoden. Abh. Sächs. Akad. Wiss. (Leipzig) 22: 567704, taf. 1–3.Google Scholar
Lie-Pettersen, O. J. 1900. Bidrag til kundskaben om vestlandets Bombus– og Psithyrus– arter. Bergens Mus. Årb., No. 3, 19 pp. (1901).Google Scholar
Lie-Pettersen, O. J. 1901. Biologische beobachtungen an Norwegischen hummeln. Bergens Mus. Årb., No. 6, pp. 310 (1902).Google Scholar
Lie-Pettersen, O. J. 1904. Entomologiske bidrag til skjaergaardsfaunaen i det vestlige Norge. Bergens Mus. Årb. No. 11, pp. 325 (1905).Google Scholar
Lie-Pettersen, O. J. 1906 a. Lidt om vore humlebier og deres liv. Naturen 30: 193213, 4 figs.Google Scholar
Lie-Pettersen, O. J. 1906 b. Neue beiträge zur biologie die Norwegischen hummeln. Bergens Mus. Årb., No. 9, pp. 142, 1 fig.Google Scholar
Lindhard, E. 1911. Om rødkløverens bestøvning og de humlebiarter, som herved er virksomme. Tidsskr. PlAvl(Kjøbenhavn) 18: 719737, 2 figs.Google Scholar
Lindhard, E. 1912. Humlebien som Husdyr. Spredte traek of nogle danske humlebiarters biologi. Tidsskr. PlAvl(Kjøbenhavn) 19: 335352, 4 figs.Google Scholar
Lindhard, E. 1921. Om rødkloverracer med kort kronrør og blomsterbesøgende bier. Tidsskr. PlAvl(Kjøbenhavn) 27: 653680, 5 figs.Google Scholar
Lindroth, C. H. 1928. Zur land-evertebratenfauna islands, I. Göteborgs K. Vetensk.-o. VitterhSamh. Handl. 1(no. 6, ser. B, 5 föl.): 152.Google Scholar
Lindroth, C. H. 1931. Die insektenfauna islands und ihre probleme. Zool. Bidrag, Uppsala 13: 105599.Google Scholar
Lindroth, C. H. 1957. The faunal connections between Europe and North America. 344 pp., 61 figs., 11 diagrs. Almqvist & Wilksell, Stockholm.Google Scholar
Linné, C. 1746. Fauna Suecia. 24 unnumb. + 408 pp., 2 pls. Laurentii Salvii, Stockholmiae.Google Scholar
Linné, C. 1758. Systema naturae, 10th ed. 823 pp., + 1 p. emenda, + addenda. Laurentii Salvii, Holmiae.Google Scholar
Linné, C. 1760. Systema naturae, 10th ed. 824 pp. Joannes Joachimus Langius, Praefatus, Halae Magdeburgicae. (Reprinting of above.)Google Scholar
Linné, C. 1761. Fauna Suecia. 45 unnumb. + 579 pp., 2 pls. Laurentii Salvii, Stockholmiae.Google Scholar
Linné, C. 1767. Systema naturae, 12th ed. Vol. 1(2), pp. 5331327, + 36 unnumb. pp., + indexes, appendix, and addenda. Laurentii Salvii, Holmiae.Google Scholar
Linné, C. 1771. Regni animalis appendix, pp. 521552. In: Mantissa plantarum altera (or, Mant. plant., vol. 2), generum editionis VI. & specierum editionis II., 6 unnumb. pp. + 587 pp., 1 p. addenda. Laurentii Salvii, Holmiae.Google Scholar
Linsley, E. G. 1944. Vernal flight of males in some western bumblebees, (Hymenoptera, Bombidae). Bull. Brooklyn ent. Soc. 39: 4849.Google Scholar
Linsley, E. G., and Michener, C. D.. 1942. Notes on some Hymenoptera from the vicinity of Mt. Lassen, California. Pan.-Pacif. Ent. 18(1): 2729.Google Scholar
Lister, M. 1682. Johannes Godartius of insects, done into English and methodized, with the additions of notes. 140 pp., 144 pls. (Portrait by Persyn, and 14 pls. etched by Francis Place). (Bees, Sect. 5, pp. 95–101.)Google Scholar
Løken, A. 1949. Bumble bees in relation to Aconitum septentrionale in central Norway (Oyer). Nytt Mag. Naturvid. 87: 160.Google Scholar
Løken, A. 1950, Norsk ent. Tidsskr. 8: 116.Google Scholar
Løken, A. 1954. Observations of bumble bee activity during the solar eclipse, June 30, 1954. Naturv. rekke, No. 13, 6 pp. (Also, Bergens Mus. Årb., 1954.) (Review in: Glean. Bee Cul., 83(7): 424, 1955.)Google Scholar
Løken, A. 1958 a. Pollination studies in apple orchards of western Norway. Proc. 10th int. Congr. Ent., Vol. 4, pp. 961965.Google Scholar
Løken, A. 1958 b. Bombus sylvarum v. nigrescens Perez new to Norway (Hymenoptera, Apidae). Norsk ent. Tidsskr. 10(hfn. 4–5): 236238.Google Scholar
Løken, A. 1960. Preliminary notes on Norwegian species of Bombus (Hymenoptera, Apidae). Norsk ent. Tidsskr. 11(3): 107110.Google Scholar
Løken, A. 1961. Observations on Norwegian bumble bee nests (Hymenoptera, Apidae, Bombus). Norsk ent. Tidsskr. 11(hfn. 5–6): 255268.Google Scholar
Løken, A. 1966. Notes on Fabrician species of Bombus Latr. and Psithyrus Lep., with designations of lectotypes (Hym., Apidae). Ent. Meddr 34(3): 199206.Google Scholar
Løken, A. 1968. (See under Meidell.)Google Scholar
Lord, J. K. 1866. The naturalist in Vancouver Island and British Columbia. vii + 375 pp. Bentley, London.Google Scholar
Lovell, J. H. 1907. The bumble bees of southern Maine. Ent. News 18: 195200.Google Scholar
Lovell, J. H. 1918. The flower and the bee, plant life and pollination. xvii + 286 pp. Scribner's Sons, New York. (Also, Constable, London, 1919.)Google Scholar
Lubbock, J. 1861. VI: On Sphaerularia bombi. Nat. Hist. Rev. 1: 4457, pl. 1 (14 figs.).Google Scholar
Lundbeck, W. 1891 a. Notitser om Grønlands entomologiske fauna. Ent. Meddr 3: 4552.Google Scholar
Lundbeck, W. 1891 b. IV: Entomologiske undersøgelser i vest-Grønland, 1889 og 1890. Medd. Grønl. 7: 107144, tav. v–vii.Google Scholar
Lundbeck, W. 1897. Hymenoptera Groenlandica. Vidensk. Meddr dansk naturh. Foren. (Kjøbenhavn), pp. 220251 (1896).Google Scholar
Lutz, F. E. 1916. The geographic distribution of Bombidae (Hymenoptera), with notes on certain species of boreal America. Bull. Am. Mus. nat. Hist. 35: 501521.Google Scholar
Lutz, F. E. 1935. Field book of insects. 510 pp., 100 pls. Putnam's Sons, New York. (pp. 436441, 3rd ed.)Google Scholar
Lutz, F. E., and Cockerell, T. D. A.. 1920. Notes on the distribution and bibliography of North American bees of the families Apidae, Meliponidae, Bombidae, Euglossidae, and Anthophoridae. Bull. Am. nat. Hist. 42: 491641.Google Scholar
Maa, T. C. 1935. A list of hymenopterous insects collected at Shaoshan in 1933. Entomology Phytopath. (Hanchow) 3(9): 179189.Google Scholar
Maa, T. C. 1936. A new Bombus from Chekiang (Hym., Bombidae). Entomology Phytopath 4(20): 413416.Google Scholar
Maa, T. C. 1937. List of Chinese Psithyrus. Entomology Phytopath 5: 273275.Google Scholar
Maa, T. C. 1948. On some eastern Asiatic species of the genus Psithyrus Lepel. (Hymenoptera: Bombidae). Mus. Heude (Notes Ent. chin.) (Shanghai) 12(fasc. 3): 1737, 23 figs.Google Scholar
Maa, T. C. 1953. An inquiry into the systematics of the Tribus Apidini, or honeybees (Hym.). Treubia 21(3): 525640.Google Scholar
Macek, J. 1936. [Note on relaxing specimens, referred to by May (May 1941, q.v.).] Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 33(1–2): 94.Google Scholar
MacDougall, R. S. 1929. A nest of Bombus lapidarius parasitised by Psithyrus rupestris. Proc. R. ent. Soc. Lond. 3(3): 80.Google Scholar
MacGillivray, A. D. 1906. A study of the wings of the Tenthredinoidea, a superfamily of Hymenoptera. Proc. U.S. nat. Mus. 29(1438): 569654, 44 pls. (p. 620.)Google Scholar
Magnus, P. 1891. Eine kleine beobachtung über den besuch der blüthen des löwenmauls (Antirrhinum majus L.) durch hummeln. Naturw. rdsch., Braunschw. 6: 383384.Google Scholar
Maidl, F. 1922. Beitrage zur hymenopterenfauna Dalmatiens, Montenegros und Albaniens. Annln naturh. Mus. Wien 35: 36106.Google Scholar
Manning, A. 1956. Some aspects of the foraging behaviour of bumble bees. Behaviour 9: 164201.Google Scholar
Maréchal, P. 1946. Notes biologiques. 27–30. (30. Remarques sur parasite des bourdons.) Lambillionea 46: 131137.Google Scholar
Marlatt, C. L. 1890. An ingenious method of collecting Bombus and Psithyrus. Proc. ent. Soc. Wash. 1: 216.Google Scholar
Marschner, H. 1927. Ueber die hummeln des riesengebirges. Societas ent. (Stuttgart) 42: 3334.Google Scholar
Marshall, J. 1945. Justice for the bumblebees (Bombus spp.). Collier's Mag. 116: 34.Google Scholar
Marshall, W. 1902. Allgemeines über den insektenstaat. Hummeln und meliponen. Hfn. 27 u. 28, pp. 142. Hochschul-Vorträge. Seele, Leipzig.Google Scholar
Matsumura, S. 1911. Erster beitrag zur insekten-fauna von Sachalin. J. Coll. Agric. (Tohoku) Hokkaido imp. Univ. (Sapporo) 4(1): 1145.Google Scholar
Maurizio, A. 1953. Weitere untersuchungen an pollenhöschen. Beih. schweiz. Bienenztg. 2 (h. 20): 485556.Google Scholar
Mavromoustakis, G. A. 1949. On the bees (Hymenoptera, Apoidea) of Cyprus. Part I. Ann. Mag. nat. Hist., Ser. 12, 1: 541587 (1948).Google Scholar
May, J. 1937. Bionomie rodu Bombus Latr. a Psithyrus Lep. (I.) Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 34: 115116.Google Scholar
(Also, German summary under title, Zur bionomie der gattungen Bombus Latr. und Psithyrus Lep. (I.). Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 34: 116118.)Google Scholar
May, J. 1938. Bionomie rodu Bombus Latr. a Psithyrus Lep. (II.) (Hym. Apid.). Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 35: 7180. (Followed by German summary under Bionomie rodu Bombus Latr. a Psithyrus Lep. (II.).)Google Scholar
May, J. 1941. Bionomie rodu Bombus Latr. a Psithyrus Lep. (III.) (Hym. Apid.). Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 38: 4953. (Followed by German summary under Bionomie rodu Bombus Latr. a Psithyrus Lep. (III.).)Google Scholar
May, J. 1942. Subgenus Allopsithyrus Popov in Böhmen und Mähren (Hym. Apid.). Sb. ent. Odd. Zem. Mus., Praze 20: 223231.Google Scholar
May, J. 1943. Pačmeláci (Psithyrinae) v Čechách a na Moravě. Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 40: 1129.Google Scholar
(With German summary under title, Die schmarotzer-hummeln (Psithyrinae) in Böhmen und Mähren. (Hym. Apid.), Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 40: 22–29.)Google Scholar
May, J. 19431944. Beitrag zur systematik einiger arten der schmarotzer-hummeln-Psithyrus Lep. (Hymen. Apoid.). Sb. ent. Odd. Zem. Mus., Praze 21–22: 231275.Google Scholar
May, J. 1948. Bionomie rodu Bombus Latr. a Psithyrus Lep. (IV)—Čmeláci v Krkonšich. (Bionomie des genres Bombus Latr. et Psithyrus Lep. (IV—Les bourdons dans les monts des Geants.) (Hym. Bombidae). Čas. čsl. Spol. ent. (Acta Soc. ent. Bohem.) 45(3–4): 146155. (Czechoslovakian with French résumé, pp. 153–155.)Google Scholar
May, J. 1959. Čmeláci v CSR (Die hummeln der Tschechoslowakei). CSAZV, p. 170. (Czechoslovakian with Russian and German summaries.)Google Scholar
Meade-Waldo, G. 1916. Notes on the Apidae (Hymenoptera) in the collection of the British Museum, with descriptions of new species. Ann. Mag. nat. Hist., Ser. 8, 17: 448470.Google Scholar
Medler, J. T. 1957. Bumblebee ecology in relation to the pollination of alfalfa and red clover. Insectes soc. 4: 245252.Google Scholar
Medler, J. T. 1958. Principles and methods for the utilization of bumblebees in cross-pollination of crops. Proc. 10th int. Congr. Ent., Vol. 4, pp. 973981.Google Scholar
Medler, J. T. 1959. A nest of Bombus huntii Greene (Hymenoptera). Ent. News 70: 179182.Google Scholar
Medler, J. T. 1962 a. Morphometric studies on bumble bees. Ann. ent. Soc. Am. 55: 212218.Google Scholar
Medler, J. T. 1962 b. Measurements of the labium radial cell of Psithyrus (Hymenoptera: Apidae). Can. Ent. 94(4): 444447.Google Scholar
Medler, J. T. 1962 c. Development and absorption of eggs in bumblebees (Hymenoptera: Apidae). Can. Ent. 94(8): 825833.Google Scholar
Meehan, T. 1902. Observations on the flowering of Lobelia cardinalis and Lobelia syphilitica. In: Contributions to the life-history of plants, No. XVI. Proc. Acad. nat. Sci. Philad. 54: 3336.Google Scholar
Meer Mohr, J. C. v. d. and Lieftinck, M. A.. 1947. Over de biologie van Antherophagus ludekingi Grour. (Col.) in hommelnesten (Bombus Latr.) op Sumatra. Tijdschr. Ent. 88: 207214 (1945).Google Scholar
Meidell, O. 1934. Fra dagliglivet i et homlebol. Naturen 58: 8595.Google Scholar
Meidell, O. 1944. Notes on the pollination of Melampyrum pratense and the “honeystealing” of humble-bees and bees. Bergens Mus. Årb., No. 11, 12 pp. (1946).Google Scholar
Meidell, O. (Løken). 1968. Bombus jonellus (Kirby) (Hym., Apidae) has two generations in a season. Norsk. ent. Tidssk. 15(1): 3132.Google Scholar
Meijere, J. C. H. de. 1903. Beiträge zur kenntniss der biologie und der systematischen verwandtschaft der conopiden. >Tijdschr. Ent. 46(afl. 4): 144225 (1904).Tijdschr.+Ent.+46(afl.+4):+144–225+(1904).>Google Scholar
Meijere, J. C. H. de. 1912. Neue beiträge zur kenntniss der conopiden. >Tijdschr. Ent. 55(afl. 3): 184207.Tijdschr.+Ent.+55(afl.+3):+184–207.>Google Scholar
Mel'nichenko, A. N., Dmitrieva, V. N., Filimonova, E. A., and Chemina, T. N.. 1949. [Case of facultative parasitism in bumblebee queens.] Uchen. Zap. gorkov. gos. Univ. 14: 7379. (Entirely in Russian.)Google Scholar
Memminger, E. R. 1887. Humblebees and Rhododendron nudiflorum. Bot. Gaz. 12: 142.Google Scholar
Menge, F. A. 1856. Lebenszeichen vorweltlicher, im Bernstein eingeschlossener thiere. In: Progr. Petrischule, Danzig. pp. 132.Google Scholar
Merriam, C. H. 1884. Dicentra punctured by humble-bees. Bull. Torrey bot. Club 2: 66.Google Scholar
Méunier, F. 1888 a. Prodrome pour servir à la monographie des espèces, variétés Belges, du genre Bombus Latr. Naturalista sicil. 7: 145, 245.Google Scholar
Méunier, F. 1888 b. Tableau dichotomique des especes, variétés Belges du genre Bombus Latreille. Naturalista sicil. 7: 173175.Google Scholar
Méunier, F. 1888 c. Tableau dichotomique des espèces, variétés Belges du genre Psithyrus Lep. Naturalista sicil. 7: 175176.Google Scholar
Méunier, F. 1890. Description d'une espèce nouvelle ou peu connue de Bombus d'Ecuador. J. Sci. (Lisboa) 11(2): 66.Google Scholar
Michener, C. D. 1939. The distributional history of North American bees. Proc. Sixth Pacif. Sci. Congr. Vol. 4, pp. 297303.Google Scholar
Michener, C. D. 1944. Comparative external morphology, phylogeny and a classification of the bees. (Hymenoptera). Bull. Am. Mus. nat. Hist. 82: 151326, 259 figs.Google Scholar
Michener, C. D. 1947 a. Bees of a limited area in southern Mississippi (Hymenoptera; Apoidea). Am. Midl. Nat. 38(2): 443455.Google Scholar
Michener, C. D. 1947 b. A character analysis of a solitary bee, Hoplitis albifrons (Hymenoptera, Megachilidae). Evolution 1(3): 172185.Google Scholar
Michener, C. D. 1953 a. Comparative morphological and systematic studies of bee larvae with a key to the families of hymenopterous larvae. Univ. Kans. sci. Bull. 35(Pt. 2): 9871102.Google Scholar
Michener, C. D. 1953 b. Problems in the development of social behavior and communications among insects. Trans. Kans. Acad. Sci. 56(1): 115.Google Scholar
Michener, C. D. 1954 a. Bees of Panama. Bull. Am. Mus. nat. Hist. 104: 1175, 115 figs.Google Scholar
Michener, C. D. 1954 b. Observations on the pupae of bees (Hymenoptera; Apoidea). Pan-Pacif. Ent. 30: 6370.Google Scholar
Michener, C. D. 1958 a. Morphologically meaningful vs descriptive terminologies for use by taxonomists, with comments on interordinal homologies of male genitalia. Pan-Pacif. Ent. 1: 583585.Google Scholar
Michener, C. D. 1958 b. The evolution of social behavior in bees. Proc. 10th int. Congr. Ent. Vol. 2, pp. 441447.Google Scholar
Michener, C. D., and Michener, M. H.. 1951. American social insects. xiv + 267 pp. Van Nostrand Co., Toronto, New York, London.Google Scholar
Michener, C. D., and LaBerge, W. E.. 1954. A large Bombus nest from Mexico. Psyche, Camb. 61: 6367.Google Scholar
Milliron, H. E. 1939. The taxonomy and distribution of Michigan Bombidae, with keys. Mich. Acad. Sci. 24(2): 168182 (1940).Google Scholar
Milliron, H. E. 1960 a. Recognition of bumblebee type specimens, with notes on some dubious names (Hymenoptera: Apidae). Bull. Brooklyn ent. Soc. 55(4): 8799.Google Scholar
Milliron, H. E. 1960 b. A gynandromorphic specimen of Psithyrus fernaldae Fkln. (Hymenoptera: Apidae). Bull. Brooklyn ent. Soc. 55(5): 109113.Google Scholar
Milliron, H. E. 1961 a. Revised classification of the bumblebees–a synopsis (Hymenoptera: Apidae). J. Kans. ent. Soc. 34(2): 4961.Google Scholar
Milliron, H. E. 1961 b. Notes on the nesting of Bombus morio (Swederus) (Hymenoptera: Apidae). Can. Ent. 93(11): 10171019.Google Scholar
Milliron, H. E. 1962 a. A gynandromorph of Bombus flavifrons Cresson (Hymenoptera: Apidae). Bull. Brooklyn ent. Soc. 57(2): 4546.Google Scholar
Milliron, H. E. 1962 b. Taxonomic notes on some American bumblebees (Hymenoptera: Apidae; Bombinae). Can. Ent. 94(7): 728735.Google Scholar
Milliron, H. E. 1967. A successful method for artificially hibernating Megabombus f. fervidus (F.). and notes, on a related species (Hymenoptera: Apidae; Bombinae). Can. Ent. 99: 13211332.Google Scholar
Milliron, H. E., and Oliver, D. R.. 1966. Bumblebees from northern Ellesmere Island, with observations on usurpation by Megabombus hyperboreus (Schönh.) (Hymenoptera: Apidae). Can. Ent. 98: 207213.Google Scholar
Mitchell, T. B. 1962. Bees of the eastern United States. Vol. 2. N.C. agric. Exp. Stn Tech. Bull. 152, 557 pp., 134 figs., 18 tabs.Google Scholar
Miyamoto, S. 1955. (See under Taniguchi, 1955.)Google Scholar
Miyamoto, S. 1957 a. Biological studies on Japanese bees IV. Behavior study on Bombus ardens Smith in early stage of nesting. Sci. Rep., Hyogo Univ. Agric. 3 (Ser. agric. biol.): 15.Google Scholar
Miyamoto, S. 1957 b. Biological studies on Japanese bees, V. Behavior study on Bombus ardens Smith in developing stage of nest. Sci. Rep., Hyogo Univ. Agric. 3: 611.Google Scholar
Miyamoto, S. 1957 c. Biological studies on Japanese bees, VI. Observations on the nest of Bombus ardens Smith. Sci. Rep., Hyogo Univ. Agric. 3 (1): 1214.Google Scholar
Miyamoto, S. 1959 a. On the individuality in the behavior of workers of Bombus ardens Smith and Bombus diversus Smith. Akitu 8(2): 3536.Google Scholar
Miyamoto, S. 1959 b. On the nest of Bombus diversus Smith which collapsed before completion (Biological studies on Japanese bees, XI). Akitu 8(4): 8590.Google Scholar
Miyamoto, S. 1959 c. Biological studies on Japanese bees, IX. Relationship between bees and flowers (Part 2). Jap. J. Ecol. 9(6): 228239.Google Scholar
Miyamoto, S. 1960. Observations on the behavior of Bombus diversus Smith (Biological studies on Japanese bees, XIII). Insectes soc. 7(1): 3956.Google Scholar
Miyamoto, S. 1961 a. Flower-visiting habits of bumblebees (Biological studies on Japanese bees, XIX). Jap. J. appl. Ent. Zool. 5(1): 2838.Google Scholar
Miyamoto, S. 1961 b. Comparative studies on the flower-visiting habits of Japanese bees (Biological studies on Japanese bees, XXV). Jap. J. Ecol. 11(1): 3849.Google Scholar
Miyamoto, S. 1963. Bombus ignitus Smith. (On the nest of Bombus ignitus Smith.) Kontyû 31(1): 2732.Google Scholar
McLachlan, R. 1877. The insects of the Arctic Expedition. [Collection by Captain Feilden, the naturalist.] Entomologist's mon. Mag. 13: 181, 229.Google Scholar
McLachlan, R.M'Lachlan, R. 1879. Report on the Insecta (including Arachnida) collected by Captain Feilden and Mr. Hart between the parallels at 78° and 83° north latitude, during the recent Arctic expedition. J. Linn. Soc. (Zool.) (London) 14: 98122.Google Scholar
Mocsáry, A. 1892. Hymenoptera in Expeditione Comitis Belae Széchenyi in China et Tibet a Dom. G., Kreitner et Ludovico Lóczy anno 1879 collecta. Természetr. Füz. 15(3 füzet.): 126131.Google Scholar
Moczar, L. 1938. Zur ökologie zweier apiden. Zool. Anz. 123: 9095.Google Scholar
Moczar, L. 1947. Angaben zur ethologie des Hoplomerus spinipes L., Bombus derhamellus K. und Megachile centuncularis L. (Hym., Vespidae, and Apidae). Folia ent. hung. 2: 1317. (In Hungarian.)Google Scholar
Moczar, L. 1953 a. Faunnenkatalog der hummeln (Bombus Latr.) (Cat. Hym. IV). Folia ent. hung. 6 (n.s.): 197228. (In Magyar with German summary.)Google Scholar
Moczar, L. 1953 b. Système et écologie des bourdons (Bombus Latr.) de la Hongrie et de ses régions voisines. Annls hist.-nat. Mus. natn. hung. (Budapest) 4 (n.s.): 131159. (In Magyar with French summary.)Google Scholar
Mohr, N. 1786. Forsog til en islandsk naturhistorie, med adskillige oekonomiske samt andre anmarkninger. 413 pp., 7 pls. C. F. Holm, Kiobenhavn. (p. 93.)Google Scholar
Montgomery, B. E. 1951. The status of bumblebees in relation to the pollination of red clover in New Zealand. N.Z. Sci. Rev. 10(4): 4750. (Reprint: Orig. publ. in Proc. 6th Mtg., N.C. States Br., Am. Ass. econ. Ent., pp. 51–55.)Google Scholar
Montgomery, B. E. 1952. The management of bumblebees. Am. Bee J. 92: 332333.Google Scholar
Montgomery, B. E. 1956. The anthophilous insects of Indiana. 1: A preliminary annotated list of the Apoidea. Proc. Indiana Acad. Sci. 66: 125140.Google Scholar
Morawitz, F. 1867 a. Ein beiträg zur hymenopteren-fauna der Ober-Engadins. Hor. Soc. ent. ross. 5: 3971 (1868).Google Scholar
Morawitz, F. 1867 b. Ueber einige faltenwespen und bienen aus der umgegend von Nizza. Hor. Soc. ent. ross. 5: 145156 (1868).Google Scholar
Morawitz, F. 1869. Die bienen des gouvernements von St. Petersburg. Hor. Soc. ent. ross. 6: 2771.Google Scholar
Morawitz, F. 1870. Beiträg zur bienenfauna Russlands. Hor. Soc. ent. ross. 7: 305333.Google Scholar
Morawitz, F. 1871. Neue Südeuropäische bienen. Hor. Soc. ent. ross. 8: 201231.Google Scholar
Morawitz, F. 1872 a. Neue Südrussische bienen. Hor. Soc. ent. ross. 9: 4562 (1873).Google Scholar
Morawitz, F. 1872 b. Synonymische bemerkungen. Hor. Soc. ent. ross. 9: 63 (1873).Google Scholar
Morawitz, F. 1872 c. Nachtrag zu den bienen des gouvernements St. Petersburg. Hor. Soc. ent. ross. 9: 151159 (1873).Google Scholar
Morawitz, F. 1874. Die bienen Daghestans. Hor. Soc. ent. ross. 10: 129189.Google Scholar
Morawitz, F. 1875 a. Apidae. In: Fedtschenko [Expedition in Turkestan]. Vol. 2, Pt. 5, ii + 303 pp., 3 pls. (col.). St. Petersbourg. (In Russian.)Google Scholar
Morawitz, F. 1875 b. Die bienen (Mellifera). In: Fedtschenko, Reise in Turkestan. Zoologischen Theil. Vol. 2, Ser. 9, Pt. 5, Fasc. I, p. 160. (cf. 1875a.)Google Scholar
Morawitz, F. 1876 a. Compte rendu de l'excursion entomologique dans le Caucasus, 1875. Hor. Soc. ent. ross. 12: vii–x, (bulletin) (18761877).Google Scholar
Morawitz, F. 1876 b. Zur bienenfauna der Caucasusländer. Hor. Soc. ent. ross. 12: 369 (18761877).Google Scholar
Morawitz, F. 1877 a. Die bienen (Mellifera). In: Fedtschenko, Reise in Turkestan. Zoologischen Theil. Vol. 2, Ser. 9, Pt. 5, Fasc. II, p. 144, tab. 3. (cf. 1875a.)Google Scholar
Morawitz, F. 1877 b. Nachtrag zur bienenfauna Caucasiens. Hor. Soc. ent. ross. 14: 1112 (1878.)Google Scholar
Morawitz, F. 1880. Ein beitrag zur bienen-fauna Mittel-Asiens. Bull. Acad. imp. Sci. (St. Petersbourg) 26: 333389.Google Scholar
Morawitz, F. 1881. Die Russischen Bombus-arten in der sammlung der Kaisserlichen Akademie der Wissenschaften. Bull. Acad. imp. Sci. (St. Petersbourg 27: 213265 (1882).Google Scholar
(Also in: Mélang. Biol. (St. Petersbourg) 11: 64144.)Google Scholar
Morawitz, F. 1883 a. Neue Russisch-Asiatische Bombus-arten. Hor. Soc. ent. ross. 17: 235245.Google Scholar
Morawitz, F. 1883 b. Erwiderung auf die kritik des Herrn Radoszkowsky, Russische Bombus-arten betreffend. Bull. Soc. imp. Nat. (Moscou) 58(Pt. 2): 2835.Google Scholar
Morawitz, F. 1886. Insecta in itinere cl. N. Prezewalskii in Asia centrali novissime lecta. I: Apidae. Hor. Soc. ent. ross. 20: 195229.Google Scholar
Morawitz, F. 1888. Hymenoptera Aculeata nova. Descripsit. Hor. Soc. ent. ross. 22: 224302.Google Scholar
Morawitz, F. 1890. Insecta a cl. G. N. Potanin in China et in Mongolia novissime lecta, XIV. Hymenoptera Aculeata II. Hor. Soc. ent. ross. 24: 349385.Google Scholar
Morawitz, F. 1892. Hymenoptera Aculeata Rossica nova. Hor. Soc. ent. ross. 26: 132181.Google Scholar
Morawitz, F. 1893. Supplement zur bienenfauna Turkestans. Hor. Soc. ent. ross. 28: 187 (1894).Google Scholar
Morice, F. D., and Durant, J. H.. 1914. XII: The authorship and first publication of the “Jurinean” genera of Hymenoptera; being a reprint of a long-lost work of Panzer's, with a translation into English, an introduction, and bibliographical and critical note. Trans. R. ent. Soc. Lond., Pts. 3, 4, pp. 339436 (1915).Google Scholar
Morimoto, R., Iwata, K., and Yasumatsu, K.. 1951. Observations on Bombus diversus Smith (Hymenoptera, Apidae). Mushi 22: 5158, 2 figs.Google Scholar
Morley, C. 1898. A list of the Hymenoptera-Aculeata of the Ipswich district. Entomologist 31: 12–17, 3841.Google Scholar
Morrill, A. W. 1903. New Apoidea from Montana. Can. Ent. 35: 222226.Google Scholar
Morse, R., and Gray, N. E.. 1961. Insect invaders of the honeybee colony. Bee World 42(7): 179181.Google Scholar
Motschulsky, V. 1859. VI. Métérologie entomologique pour St. Petersbourg, 1858. Etud. ent. Helsingfor 8: 176187.Google Scholar
Moure, J. S. (Pe., J.). 1943 a. Algunas himenopteros Peruanos. Bol. Mus. nat. Hist., “Javier Prado”, (Lima) 7: 267270.Google Scholar
Moure, J. S. (Pe., J.). 1943 b. Abelhas de Batatais (Hym. Apoidea). Arg. Mus. Paran. 3: 145203.Google Scholar
Moure, J. S. (Pe., J.). 1943 c. Notas sôbre abelhas da colecao Zikan (Hym. Apoidea). Revta Ent., Rio de J. 14: 447484.Google Scholar
Moure, J. S. (Pe., J.). 1944 a. Apoidea da colecao do Conde Amadeu A. Barbiellini (Hym. Apoidea). Revta Ent., Rio de J. 15(1–2): 118.Google Scholar
Moure, J. S. (Pe., J.). 1944 b. Abelhas de Monte Alegre (Est. S. Paulo) (Hym. Apoidea). Pap. Anal. (Dept. Zool., Sec. Agric.) S. Paulo 6(10): 103126.Google Scholar
Moure, J. S. (Pe., J.). 1944 c. Abejas del Perú. Bol. Mus. nat. Hist., “Javier Prado”, (Lima) 8: 6775.Google Scholar
Moure, J. S. (Pe., J.). 1946 a. Notas sôbre as Mamangabas. Bol. Agric., Curitiba 4 (Nos. 12–13): 332, 3 pls.Google Scholar
Moure, J. S. (Pe., J.). 1946 b. Notas sôbre as Mamangabas. Bol. Agric., Curitiba 5 (Nos. 12–13): 2150.Google Scholar
Moure, J. S. (Pe., J.). 1947. Notas sôbre algunas abejas de la Provincia de Salta (Hymen. Apoidea). Revta Soc. ent. argent. 13: 218253.Google Scholar
Moure, J. S. (Pe., J.). 1948. Notas sôbre algunas abejas de Tacanas, Tucuman, Argentina, I. (Hymenopt. Apoidea). Revta Ent., Rio de J. 19(1–2): 313346.Google Scholar
Moure, J. S. (Pe., J.). 1949. Notas sôbre algunas abejas de Tacanas, Tucuman, Argentina, II. Revta Ent., Rio de J. 20(1–3): 437460.Google Scholar
Moure, J. S. (Pe., J.). 1960. Notes on the types of the neotropical bees described by Fabricius (Hymenoptera: Apoidea). Studia ent. 3 (fasc. 1–4): 97160.Google Scholar
Moure, J. S., Nogueira-Neto, P., and Kerr, W. E.. 1958. Evolutionary problems among Meliponinae (Hymenoptera, Apidae). Proc. 10th int. Congr. Ent., Vol. 2, pp. 481493.Google Scholar
Moure, J. S., and Sakagami, S. F.. 1962. As mamangabas sociais do Brasil (Bombus Latreille) (Hymenoptera, Apoidea). Studia ent. 5 (fasc. 1–4): 65194, 19 figs., 13 tabs., 5 mps.Google Scholar
Muesebeck, C. F. W., Krombein, K. V., Townes, H. K., et al. 1951. Hymenoptera of America north of Mexico–synoptic catalog. Agriculture Monogr. 2, 1420 pp.Google Scholar
Müller, H. 1871. Anwendung der Darwinistischen lehre auf bienen. Verh. naturh. Ver. preuss. Rheinl. (Westphal.), pp. 196, 2 pls.Google Scholar
Müller, H. 1879. Bombus mastrucatus, ein dysteleolog unter den alpinen blumenbesuchern. Kosmos 5: 422431.Google Scholar
Müller, Hans. 1944. Beiträge zur kenntnis der bienenfauna Sachsens (Hym. Apid.). Mitt. Dt. ent. Ges., E. V., 13(5–10): 65108.Google Scholar
Müller, Hans, and Sieber, M.. 1929. Die bienenfauna des oberen Sächsischen erzgebirges. Z. wiss. InsektBiol. 24: 5057.Google Scholar
Müller, M. 1913. Beiträge zur kenntnis unserer hummeln. Arch. Naturgesch. 79 (Abt. A., h. 1): 118123.Google Scholar
Müller, M. 1918. Über seltene märkische bienen und wespen in ihren beziehungen zur heimischen scholle. Dt. ent. Z. (hfn. 1–2), pp. 113132.Google Scholar
Müller, M. 1931. Über seltene märkische bienen. (Apid. Hym.). Mitt. Dt. ent. Ges., E. V., 2(No. 6): 8284.Google Scholar
Müller, M. 1935 a. [Note.] In: Sitzungsberichte. Mitt. Dt. ent. Ges., E. V., 6 (Nos. 5–10): 51 (1936).Google Scholar
Müller, M. 1935 b. Psithyrus barbutellus Kirby und P. maxillosus Klug. (Apid., Hym.). Mitt. Dt. ent. Ges., E. V., 6(Nos. 5–10): 7376 (1936).Google Scholar
Müller, O. F. 1764. Fauna insectorum Fredrichsdalina, etc. xxiv + 96 pp. Hafniae et Lipsiae, [Germany].Google Scholar
Müller, O. F. 1776. Zoologiae Danicae prodromus, seu animalium Daniae et Norvegiae indigenarum characteres, nomina, et synonyma imprimis popularium. 32 + 282 pp. Hallager, Hofniae.Google Scholar
Munakata, M., and Sakagami, S. F.. 1958. Zum verfliegen der hummeln unter den künstlich zusammengesetzen völkchen. Kontyû 26(1): 1519.Google Scholar
Munroe, E. 1956. Canada as an environment of insect life. Can. Ent. 88(7): 372476.Google Scholar
Murtfield, M. E. 1883. [Note.]In: Proc. ent. Cl., A.A.A.S. (See under Osborn.)Google Scholar
Myers, J. G. 1935. Ethological observations on the citrus bee, Trigona silvestriana Vachal, and other neotropical bees (Hym., Apoidea). Trans. R. ent. Soc. Lond. 83(Pt. 1): 131142.Google Scholar
Nadig, A. (Sr. and Jr.). 1933. Beitrag zur kenntnis der hymenopteren fauna von Marokko und Westalgerien. Erster Teil: Apidae, Sphegidae, Vespidae. Jber. naturf. Ges. Graubündens (Chur.) 71(n. f.): 37107, 4 figs.Google Scholar
Nadig, A. 1934. Beitrag zur kenntnis der orthopteren– und hymenopteren-fauna von Sardinien und Korsika. Jber. naturf. Ges. Graubündens 72(n.f.): 339, 2 figs.Google Scholar
Neave, F. 1926. Notes on some Alberta Bombidae (Hymen.). Ent. News 37: 252254.Google Scholar
Neave, F. 1933. The Bremidae of Manitoba. Can. J. Res. 8: 6273.Google Scholar
Nevinson, E. B. 1923. aThe survival of Bombus cullumanus Kby. Entomologist's mon. Mag. 59:277.Google Scholar
Newman, E. 1834. Attempted division of British insects into natural orders. Ent. Mag. 2: 379431 (1835).Google Scholar
Newport, G. 1837. On the temperature of insects and its connexion with the functions of respiration and circulation in this class of invertebrate animals. Phil. Trans. R. Soc. (Lond.), pp. 259338.Google Scholar
Nielsen, E. T. 1938. Temperatures in a nest of Bombus hypnorum L. Vidensk. Meddr dansk naturh. Foren. (Kjøbenhavn) 102: 16.Google Scholar
Nielsen, J. C. 1907. X. The insects of East-Greenland. In: Carlsbergfondets expedition til Ost- Grønland, udført; aarene 1898–1900 under ledelse af G. Amdrup. Meddr Grønland 29(2): 363409.Google Scholar
Nielsen, J. C. 1910. II: A catalogue of the insects of northeast Greenland with descriptions of some larvae. Part of: Nr. 2, The insects of the “Danmark” Expedition [to Greenland's northeast coast, 1906–1908]. Meddr Grønland 43: 5568, 2 pls.Google Scholar
Niemela, P. 1948. Einige von der Karelischen landenge her nach Finnland in ausbreitung begriffene bienenarten (Hym.). Ann. ent. fenn. (Suom. hyönt. Aikak.) 13: 175179 (1947). (In Finnish with German summary.)Google Scholar
Nikol'skaya, M. N., and Popov, V. V.. Hymenoptera. In: Animal world of the U.S.S.R. Vol. 5, pp. 318351.Google Scholar
Nordman, A. 1958. Humlornas starka decimering under de maritimt betonade vintrarna på åland och följderna härav för klöverfröedlaren (Hym.). Notul. ent. 38(2): 51.Google Scholar
Nørgaard, H. S. 1960. Experiments on the domestication of bumblebees (Bombus Latr.), in particular B. lapidarius L. and B. terrestris L. K. vet.– og Landbohøisk. Aarsskr., pp. 119.Google Scholar
Nottidge, T. 1884. Note on the importation of humble-bees into New Zealand. Proc. R. ent. Soc. Lond., p. 3.Google Scholar
Nye, W. P., and Bohart, G. E.. 1962. Observations of the visits of honey bees and bumble bees to bladder senna (Colutea arborescens). Ann. ent. Soc. Am. 55(2): 259261.Google Scholar
Nylander, W. 1848. Adnotationes in expositionem monographican apum borealium. Not. Sällsk., fauna fl. fenn. Förh. 1 (För. häf.): 165282, 1 pl.Google Scholar
Nylander, W. 1852. Revisio synoptica apum borealium, comparatis speciebus. Europae mediae. Not. Sällsk., fauna fl. fenn. Förh. 1 (And. häf.): 225286.Google Scholar
Okamoto, H. 1924. The insect fauna of Quelpart Island. Bull. agric. Exp. Stn, Gov.-Gen., Chosen 1(2): i–iv, 47233, 4 pls., 1 mp.Google Scholar
Olafsen Olafsson, E. & Palsson, B. Povelsen. 1772. Reise igiennem Island–. Vol. 1, 10 + 618 pp., 41 pls. Jonas Lindgrens, Soröe. (p. 603.)Google Scholar
Olivier, A. G. 1789. Introduction (and A-Bom.). In: Encyclopédie méthodique. Histoire naturelle. Insectes. Vol. 4, pp. 1331. Panckoucke, Paris & Plomteux, Liège.Google Scholar
Olliff, A. S. 1895. Successful introduction of humble bees into New South Wales. Entomologist's mon. Mag. 31(s.1, or 6, s.2): 67.Google Scholar
O'Rourke, F. J. 1955. Bombus pratorum L. in County Cork. Ir. Nat. J. 11: 337338.Google Scholar
O'Rourke, F. J. 1956. The Bombidae of County Cork. Ir. Nat. J. 12: 1719.Google Scholar
O'Rourke, F. J. 1957 a. Bombus distinguendus Mor. one of the rarer Irish bumble bees. Ir. Nat. J. 12(7): 187189. (Also as separate, pp. 1–2.)Google Scholar
O'Rourke, F. J. 1957 b. A Dublin supplement; notes on the zoology of the Dublin area. Ir. Nat. J. 12(7): 189190.Google Scholar
Osborn, H. 1883. In: Meeting of the Entomological Club of the American Association for the Advancement of Science [Proceedings]. Can. Ent. 15: 169176.Google Scholar
Osculati, G. 1850. Esplorazione delle regioni equatorali lungo il napo ed il fume delle Amazzoni frammento di un viaggio fatto nelle due Americhe negli anni 1846–48. 320 pp., 11 pls. (col.) and 2 maps. Milano.Google Scholar
Osorno, E., and Osorno, H.. 1938. Notas biologicas sôbre algunas especies de Bombus de los alrededores de Bogata, Colombia, Sud America. Revta Ent., Rio de J. 9(1–2): 3139. (In Spanish.)Google Scholar
Osorno-Mesa, E., and Osorno-Mesa, H.. 1961. Annotations on the social bees of the family Bombidae. Acad. Col. Cien. Exact., fis., Nat. Rev. 11(43): 213214. (In Spanish.)Google Scholar
Packard, A. S. 1865. The humble bees of New England and their parasites; with notices of a new species of Anthophorabia, and a new genus of Proctotrupidae. Proc. Essex Inst. (Salem) 4: 107140, 1 pl.Google Scholar
Packard, A. S. 1868. The home of the bees. Am. Nat. 1: 364–378, 596606, 1 pl., 4 figs.Google Scholar
Packard, A. S. 1870. Guide to the study of insects, etc. 2nd ed., viii + 702 pp. Naturalist's Book Agency, Salem; Trubner, London.Google Scholar
Packard, A. S. 1877 a. Explorations of the Polaris Expedition to the North Pole. Am. Nat. 11: 5153.Google Scholar
Packard, A. S. 1877 b. The insects of the American (“Polaris”) Arctic Expedition. Entomologist's mon. Mag. 13: 228229.Google Scholar
Packard, A. S. 1897. Notes on the transformations of the higher Hymenoptera, III. Jl N.Y. ent. Soc. 5: 109120.Google Scholar
Pallas, P. S. 1771. Reise durch verschiedene provinzen des Russischen Reichs in den jahren 1768–1769. Vol. 1, 504 pp., + 25 copper pls. (Anhang: Descriptiones fugitivae animalium atque plantarum annis 1768 et 1769 observatorum, pp. 453–504; fragrans, pp. 178 and 474.) Akad. Buchhandlung, St. Petersburg. (Also the 1788 French version, vol. 1, 706 pp. + appendix, pp. 707–773 + 2 pp. errata, no pls. La Grange, by Ballard et Fils, Paris.) (fragrans, pp. 242 and 735.)Google Scholar
Palm, N. B. 1948 a. Normal and pathological histology of the ovaries in Bombus Latr. (Hymenopt.) with notes on the hormonal interrelations between the ovaries and the corpora alata. Opusc. ent., suppl. VII, pp. [1] 3101.Google Scholar
Palm, N. B. 1948 b. Parasitic action on Bombus queens. Proc. 8th int. Congr. Ent., pp. 289292, 2 figs. (1950).Google Scholar
Palm, N. B. 1949. The pharyngeal gland in Bombus Latr. and Psithyrus Lep., with a description of a case of pathological development of the pharyngeal gland. Opusc. ent. 14: 2747, 8 figs.Google Scholar
Palmer, R. 1923. Occurrence of Bombus cullumanus (Kirby) in Bedfordshire. Entomologist's mon. Mag. 59: 277.Google Scholar
Panfilov, D. V. 1951. Bumblebees of the subgenus Cullumanobombus Vogt (Hymenoptera, Apoidea). Trudy vses. ént. Obshch. (Akad. nauk SSSR, Moscow) 43: 115128, 7 figs. (In Russian.)Google Scholar
Panfilov, D. V. 1956. Contribution to the taxonomy of bumblebees (Hymenoptera, Bombinae), including description of new forms. Zool. Zh. (Moscow) 35: 13251334, 3 figs. (In Russian with English summary on p. 5 in suppl.)Google Scholar
Panzer, G. W. F. 1801 a. (See under Anon. 1801.)Google Scholar
Panzer, G. W. F. 1801 b. Faunae insectorum Germanicae initia, oder Deutschlands insecten, etc. 7 Jahrg., Hfn. 73–84. Nürnberg.Google Scholar
Panzer, G. W. F. 1805. Faunae insectorum Germanicae initia, oder Deutschlands insecten, etc. 8 Jahrg., Hfn. 85–96, + 15 pp. Index Systematicus. Nürnberg (18011805).Google Scholar
Panzer, G. W. F. 1806. Kritische revisions der insektenfaune Deutschlands. Bd. II, 12 unnumb. + 271 pp., 2 pls. Nürnberg.Google Scholar
Parks, H. B. 1919. A bumblebee's nest. Am. Bee J. 59(12): 410411.Google Scholar
Patton, W. H. 1879. List of a collection of aculeate Hymenoptera made by Mr. S. W. Williston in northwestern Kansas. U.S. geol. geog. Surv. Bull. 5(3): 349370.Google Scholar
Pawlowsky, E. N. 1911. Zur kenntnis des anatomisch-histologischen baues des geschlechts-apparates der hymenopteren, I. Das männliche geschlechtsapparat von Bombus-arten. Rev. russ. ent. 11(2): 221234. (In Russian with German summary.)Google Scholar
Pedersen, M. W., and Bohart, G. E.. 1950. Using bumblebees in cages as pollinators for small seed plots. Agron. J. 42(10): 608.Google Scholar
Pedersen, M. W., and Bohart, G. E.. 1953. Factors responsible for the attractiveness of various clones of alfalfa to pollen-collecting bumble bees. Agron. J. 45(11): 548551.Google Scholar
Pendlebury, H. M. 1923. Four new species of Bombus from the Malay Peninsula. J. fed. Malay St. Mus. (Kuala Lumpur) 11: 6467.Google Scholar
Pérèz, J. 1879. Contribution à la faune des apiaires de France. 1re partie. Acta Soc. Linn. (Bordeaux) 33: 119229.Google Scholar
Pérèz, J. 1883. Contribution à la faune des apiaires de France. 2me partie. Parasites. Acta Soc. Linn. (Bordeaux) 37: 205380, 2 pls.Google Scholar
Pérèz, J. 1890 a. Catalogue des mellifères du sud-ouest. Acta Soc. Linn. (Bordeaux) 44: 133200.Google Scholar
Pérèz, J. 1890 b. Sur la fauna apidologique du sud-ouest de la France. C. r. Ass. fr. Avanc. Sci. 111: 991993.Google Scholar
Pérèz, J. 1894. De l'organe copulateur mâle des hyménoptères et de sa valeur taxonomique. Ann. Soc. ent. Fr. 63: 7481, 8 figs.Google Scholar
Pérèz, J. 1895. Voyage de M. Ch. Alluaud aus îles Canaries (Novembre 1889–Juin 1890). Hyménoptères. Ann. Soc. ent. Fr. 64: 191201.Google Scholar
Pérèz, J. 1905. Hyménoptères recueillis dans le Japon central, par M. Harmand, ministre plénipotentiaire de France à Tokio. Bull. Mus. natn. Hist. nat., Paris, pp. 2339. (Also, pp. 79–87, 148–157, Ann. Soc. ent. Fr. )Google Scholar
Pérèz, J. 1909. Sur quelques variétés de bourdons de la Corse. Acta Soc. Linn. (Bordeaux) 72: clviiclix.Google Scholar
Pérez, M. Q. 1927. Los apidos de Espana género Bombus Latr. Ann. Inst. Nac., 2a ensen., Valencia, Trab. lab. hist. Nat., No. 16, 121 pp. (including 10 pls. and index).Google Scholar
Pérez, M. Q., (Quilis Pérez). 1932. Los Psithyros Espanóles. Eos (Madrid) 8: 185222.Google Scholar
Perkins, R. C. L. 1890. The distribution of Bombus smithianus, White. Entomologist's mon. Mag. 26: 111.Google Scholar
Perkins, R. C. L. 1921. Variation in British Psithyrus and remarks on Bombus pomorum. Entomologist's mon. Mag. 57: 8287.Google Scholar
Petch, C. E. 1939. General index to the 38 annual reports of the Entomological Society of Ontario, 1900–1937. (Bombus, pp. 3839.) Ont. [Canada] Dep. Agric., 267 pp.Google Scholar
Petersen, B. 1956. The zoology of Iceland, Hymenoptera. Vol. 3, Pts. 49–50, 176 pp. Munksgaard, Kjøbenhavn, and Reykjavik.Google Scholar
Pfeiffer, I. 1846. Reise nach dem Skandinavischen Norden und der insel Island im jahre 1845. 2 vols., Budapest. Arthropods, vol. 2, pp. 256–258 (p. 258). (Also, 1852 English version “A visit to Iceland and the Scandinavian North”. 354 pp., Ingram, Cooke, London. p. 273.)Google Scholar
Pitelka, F. A. 1954. Use of a bird nest by bumblebee. Pan-Pacif. Ent. 30(3): 220.Google Scholar
Pittioni, B. 1937 a. Der blütenbesuch der alpenhummeln. Bl. Naturk. Naturschutz Niederöst. 24(10): 138141.Google Scholar
Pittioni, B. 1937 b. Hummelfauna des Kalsbachtales in Ost-Tirol. Ein beitrag zur ökologie und systematik der hummeln Mitteleuropas. Festschrift zum 60 geburst. Embrik Strand, 3: 64122, 45 figs., 2 geogr. profiles, 2 tabs. and 1 mp.Google Scholar
Pittioni, B. 1937 c. Eine hummelausbeute aus dem Elburs-Gebirge (Iran). Ein beitrag zur kenntnis der paläarktischen hummeln und schmarotzer-hummeln. Konowia 16(h. 2): 113129.Google Scholar
Pittioni, B. 1938 a. Die hummeln und schmarotzerhummeln der Balkan-Halbinsel mit besonderer berucksichtigung der fauna Bulgariens. I: Allgemeiner Teil. Mitt. kgl. nat. Inst., Sofia 11: 1269.Google Scholar
Pittioni, B. 1938 b. Neue und wenig bekannte hummeln der Paläarktis (Hymenopt., Apidae). Konowia 17(2–3): 244263, Taf. I–II (1939).Google Scholar
Pittioni, B. 1939 a. Die hummeln und schmarotzerhummeln der Balkan-Halbinsel mit besonderer berucksichtigung der fauna Bulgariens. II: Specieller Teil. Mitt. kgl. nat. Inst., Sofia 12: 49122, incl. Taf. I–IV.Google Scholar
Pittioni, B. 1939 b. Bombus (Agrobombus) Bureschi sp. nov., eine neue hummelart von der Balkanhalbinsel und einige weitere interessante neue hummelformen. Arb. bulg. naturf. Ges. 18: 8190.Google Scholar
Pittioni, B. 1939 c. Tanguticobombus subg. nov. (Hymenopt. Apidae). Zool. Anz. 126(7–8): 201205.Google Scholar
Pittioni, B. 1940 a. Die hummeln und schmarotzerhummeln von Venezia Tridentina. 2: Beitrag zur zoogeographischen erforschung der ostalpen und zur oekologie der gattungen Bombus und Psithyrus. Memorie Mus. Stor. nat. Venezia trident. (Trento) 5(1): 344.Google Scholar
Pittioni, B. 1940 b. Analytische untersuchungen an die hummelfauna des Witoscha—und Ljulin–gebiete in Bulgarien. Eine zoogeographisch–okölogische studie. Mitt. bulg. ent. Ges., Sofia 11: 101137.Google Scholar
Pittioni, B. 1941. Die variabilität des Bombus agrorum F. in Bulgarien. Eine variatiens-statistische untersuchung unter berücksichtigung geographischer und ökologischer factoren. Mitt. kgl. nat. Inst., Sofia 14: 238311, 27 figs.Google Scholar
Pittioni, B. 1942 a. Hummeln als blütenbesucher. Mitt. bulg. ent. Ges. 12: 63126, 3 figs.Google Scholar
Pittioni, B. 1942 b. Die boreoalpine hummeln und schmarotzerhummeln. I: Teil. (Hym., Apidae, Bombinae). Mitt. kgl. nat. Inst., Sofia 15: 155218.Google Scholar
Pittioni, B. 1942 c. Die boreoalpine hummeln und schmarotzerhummeln. II: Teil. Mitt. kgl. nat. Inst., Sofia 16: 178, 21 figs., 5 mps. (1943).Google Scholar
(Also, Mitt. bulg. ent. Ges. 13: 177, 1943.)Google Scholar
Pittioni, B. 1949. Beiträge zur kenntnis der bienenfauna So.–Chinas. Die hummeln und schmarotzerhummeln der ausbeute J. Klapperich (1937–38) (Hym., Apoidea, Bombini). Eos (Madrid) 25: 241284, 3 figs.Google Scholar
Pittioni, B. 1950. Das problem der formenbildung. Ein deutungsversuch mit hilfe der klimaökologischen formel. Bonn. zool. Beitr. 1: 254261 (1951).Google Scholar
Pittioni, B. 1953. Eine bienenausbeute aus Apulien (Hymenoptera, Apidae). Memorie Biogeogr. adriat. (Venice) 2: 4962, 5 figs.Google Scholar
Pittioni, B., and Schmidt, R.. 1942. Die bienen des südöstlichen Niederdonau. I: Apidae, Podaliriidae, Xylocopidae und Ceratinidae. Natur Kult., Niederdonau, H. 19, pp. 141. Kühne, Leipzig.Google Scholar
Plateau, F. 1902. L'ablation des antennes chez les bourdons et les appréciations d'Auguste Forel. Ann. Soc. ent. Belg. 46: 414426.Google Scholar
Plath, O. E. 1922 a. A unique method of defense of Bremus (Bombus) fervidus Fabricius. Psyche, Camb. 29: 180187.Google Scholar
Plath, O. E. 1922 b. Notes on Psithyrus, with records of two new American hosts. Biol. Bull. 43: 2344, 1 pl.Google Scholar
Plath, O. E. 1922 c. Notes on the nesting habits of several north American bumblebees. Psyche, Camb. 29: 189202.Google Scholar
Plath, O. E. 1923 a. Observations on the so-called trumpeter in bumblebee colonies. Psyche, Camb. 30: 145154.Google Scholar
Plath, O. E. 1923 b. Breeding experiments with confined Bremus (Bombus) queens. Biol. Bull. 45(6): 325341.Google Scholar
Plath, O. E. 1923 c. The bee-eating proclivity of the skunk. Am. Nat. 57: 571574.Google Scholar
Plath, O. E. 1923 d. Notes on the egg-eating habits of bumblebees. Psyche, Camb. 30: 193202.Google Scholar
Plath, O. E. 1924 a. Do anaesthetized bees lose their memory? Am. Nat. 58: 162166.Google Scholar
Plath, O. E. 1924 b. Miscellaneous biological observations on bumblebees. Biol. Bull. 47(2): 6578.Google Scholar
Plath, O. E. 1925. The role of bumblebees in the pollination of certain cultivated plants. Am. Nat. 59: 441451.Google Scholar
Plath, O. E. 1927 a. Notes on the nesting habits of some of the less common New England bumblebees. Psyche, Camb. 34: 122127, 2 figs.Google Scholar
Plath, O. E. 1927 b. Psithyrus laboriosus, an unwelcome guest in the hives of Apis mellifica. Bull. Brooklyn ent. Soc. 22: 121125, 2 figs.Google Scholar
Plath, O. E. 1927 c. Notes on the hibernation of several North American bumblebees. Ann. ent. Soc. Am. 20: 181191.Google Scholar
Plath, O. E. 1927 d. Natural grouping of Bremidae (Bombidae) with special reference to biological characters. Biol. Bull. 52(5): 394410, 6 figs.Google Scholar
Plath, O. E. 1934. Bumblebees and their ways. xvi + 201 pp. Macmillan, New York.Google Scholar
Poda, N. 1761. Insecta Musei Graecensis, etc. 6 unnumb. pp. + 127 pp. + 12 unnumb. pp. (index and errata), 2 pls. Widmanstadii, Graecii. (Facs. ed, Junk, Berlin, 1915.)Google Scholar
Pohjakallio, O. 1938. Kimalainen puna-apilan pölyttäjänä. Luon. Yst. 42: 6167.Google Scholar
Pohjakallio, O., Multamäki, K., and Nuorvala, S.. 1937. Puna-apilan jaloustusteknillisiä. Valt. maatalouskoet. julk. (Staat. Landwirts. Versuch.), No. 93, pp. 166. (With German summary.)Google Scholar
Poole, T. B. 1952. Bumble bees. Amat. Ent. 11: 9–10, 19–20, 27–29, 38–40, 45–47, 78–79, 87–90, 96–98, 104–105, 111114. [Series corporated, 1953, with minor substits, addits. of figs. as “Collecting bumble bees”; cf. A.E.S., Lft. 25, 20 pp., 2 col. pls. London.]Google Scholar
Popov, V. B. (Also, V. and V. V.) 1923. Contribution à l'étude de la faune des bourdons des environs d'Ekatherinbourg (Hymenoptera, Bombidae et Psithyridae). Ann. Univ. Oural 3: 259268. [Also, Contribution on the bumble bee fauna in the Yekaterinburg area (Hymenoptera, Bombidae and Psithyridae). Isv. Urol'sk. Gos. Univ. 3: 259–268.]Google Scholar
Popov, V. B. (Also, V. and V. V.) 1924 a. Forme nouvelle de Bombus de l'Ural (Hymenoptera, Bombidae). Russ. ent. Obozr. 18: 255256.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1924 b. [Individual tendencies in bumble bee coloration (Hymenoptera, Bombidae).] Zap. ural'. Obshch. Lyub. Yestestvozn. 39: 115116. (Entirely in Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1927 a. New forms of the genus Psithyrus, Lep. Konowia 6: 267274.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1927 b. Zur geographischen verbreitung von Psithyrus vestalis Fourcr. und Psithyrus distinctus Pér. Rev. russ. Ent. 21: 128132.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1930. [Note on Agrobombus smithianus White (Hymenoptera, Bombidae).] Rev. russ. Ent. 24(1–2): 9599, 5 figs. (English translation in: Russ. ent. Obozr. 24: 95–99, 5 figs.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1931. Zur kenntnis der Paläarktischen schmarotzerhummeln (Psithyrus Lep.). Eos, Madr. 7(2): 131209, 26 figs.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1934 a. Notiz über Psithyrus naiptchianus (Matsumura) (Hymenoptera, Bombidae). Mushi 7(1): 12.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1934 b. [Die bienenfauna des Kortschetaver gebiets in nördlichen Kuzaxstan.]Arb. kazaxst. Stützp., Acad. wiss. USSR, (Leningrad) Lf. 1, pp. 5163. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1935. [Beiträge zur bienenfauna von Tadjikistan (Hymenoptera, Apoidae).]Trav. fil., Acad. Sci., USSR (Tadjikistan), No. 5, pp. 351408. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1936 a. Beiträge zur synonymie einiger bienenarten. Konowia 15 (hfn. 3–4): 159161.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1936 b. [Bees of the genus Psithyrus Lep. from Prof. Fr. Klapálek's collection, (Hymenoptera, Apoidae).] Sb. ent. Odd Zem. Mus. Praze 14: 200203.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1937. [Some peculiarities of the geographical distribution and variation of Psithyrus rupestris F., in connection with the distribution and variation of the genus Lapidariobombus Vogt, (Hymenoptera, Apoidae).] Zool. J., Moscow 16(4): 664676. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1945. [Parasitism in bees, its characteristics and evolution.] Zh. obshch. Biol. 6 (3): 183204. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1948. [Interspecific and intergeneric parasitism and evolution of Hymenoptera.] Dokl. Akad. Nauk SSSR 60: 745748. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1951a. [Bumblebees, pp. 158—174. In: The Kondar Pass—an experimental biological monograph.]Izd. Akad. nauk. SSSR (Moscow–Leningrad). (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1951 b. [The importance of bees in lucerne pollination.] Tr. vsesoyuzn. ent. Obshch. 43: 6582. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1952 a. [The bee fauna (Hymenoptera, Apoidea) of southwestern Turkmenia and its ecological distribution.] Tr. zool. Inst., Akad. nauk SSSR 10: 61117, 13 figs. Leningrad. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1952 b. [Fauna of Apidae and its distribution in the central part of the state forest strip, Mount Vishnevaya to the Caspian Sea.] Tr. zool. Inst., Akad. nauk SSSR 11: 142165. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1954. [On the fauna of bees (Hymenoptera, Apoidea) in the southern part of western Oblast.] Tr. zool. Inst., Akad. nauk SSSR 16: 351374. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1958. Hymenoptera. In: Animal world of the U.S.S.R. (Mountainous regions of the European part of the U.S.S.R.) Vol. 5, pp. 100115.Google Scholar
Popov, V. B. (Also, V. and V. V.) 1960. [On Radozkowski's collection of Hymenoptera.] Ent. Rev., Akad. nauk SSSR 39: 237. (In Russian.)Google Scholar
Popov, V. B. (Also, V. and V. V.) 1967. Bees (Hymenoptera, Apoidea) of central Asia and their host plants. Akad. Nauk SSSR (Zool. Inst. Tr.) 38: 11329. (In Russian.)Google Scholar
Postner, M. 1952. Biologisch–ökologische untersuchungen an hummeln und ihren nestern. Vöreff. Mus. nat.–völk.–handl., Bremen (A) 2(1): 4586, 2 mps.Google Scholar
Postner, M. 1953. Kopulationsverhalten bei den gattungen Bombus und Psithyrus (Apidae, Hymenoptera). Zool. Anz. 151: 300306, 5 figs.Google Scholar
Poulton, E. B. 1904. (See Saunders, 1904.)Google Scholar
Pouvreau, A. 1962. A contribution to the study of Sphaerularia bombi (Nematoda, Tylenchida), a parasite of Bombus queens. Annls Abeille 5(3): 181189. (In French with English summary.)Google Scholar
Pouvreau, A. 1963 a. On the presence of Sphaerularia bombi (Nematoda, Tylenchida, Allantone-matidae) in the genus Psithyrus (Hymenoptera, Apidae, Psithyrinae). C. r. Acad. Sci. (Paris) 256(1): 282283.Google Scholar
Pouvreau, A. 1963 b. Observations sur l'accouplement de Bombus hypnorum L. (Hyménoptère, Apidae) en serre. Insectes soc. 10(2): 111118. (With summaries in German and English.)Google Scholar
Pringle, J. W. S. 1961. The flight of the bumblebee. Nat. Hist. 70(7): 2029.Google Scholar
Procter, W. 1946. Biological survey of the Mount Desert Region. The insect fauna. 566 pp. Wistar Inst., Phila. (Revised.)Google Scholar
Provancher, L. 1882. Fauna Canadienne. Naturaliste can. 13 (No. 153): 265269. (Bombinae only.)Google Scholar
Provancher, L. 1883. Petite faune entomologique du Canada, particulièrement de la Province de Québec. Hyménoptères. Vol. 2, vii + v + 830 pp. Darveau, Québec. (Bombinae, pp. 733–737.)Google Scholar
Provancher, L. 18861889. Additions et corrections. To: Faune entomologique du Canada, hyménoptères, volume 2. 475 pp., + 1 p. errata. Darveau, Québec. (Bombinae, pp. 342–345, 1888.)Google Scholar
Putnam, F. W. 1864. Notes on the habits of some species of humble-bees. Proc. Essex Inst., Salem 4: 98104.Google Scholar
Radoszkowski, O. 1859. Sur quelques hyménoptères nouveaux ou peu connus de la collection du musée de l'Académie des Sciences de St. Petersbourg. Bull. Soc. imp. Nat., Moscou 32 (Pt. 2, no. 4): 479486, tab. 5 (col.).Google Scholar
Radoszkowski, O. 1862. Sur quelques hyménoptères nouveaux ou peu connus de la collection du musée de l'Académie des Sciences de St. Petersbourg. Bull. Soc. imp. Nat., Moscou 35(Pt. 1): 589598, tab. 6.Google Scholar
Radoszkowski, O. 1867 a. Matériaux pour servir à l'étude des insectes de la Russie. IV: Notes sur quelques hyménoptères de la tribu apides. Hor. Soc. ent. ross. 5: 7390, pl. 3 (1868). (Also as separate, pp. 1–18.)Google Scholar
Radoszkowski, O. 1867 b. In: Miscellanea. Hor. Soc. ent. ross. 5(1): 167.Google Scholar
Radoszkowski, O. 1874. Matériaux pour servir à une faune hyménoptèrologique de la Russie. Hor. Soc. ent. ross. 10(2–3): 190195. (Also as separate, pp. 1–6.)Google Scholar
Radoszkowski, O. 1876 a. In: Séance de la Société Entomologique de Russie, du 6(18) Octobre, 1875. Hor. Soc. ent. ross. 12: xii.Google Scholar
Radoszkowski, O. 1876 b. Matériaux pour servir à une faune hyménoptèrologique de la Russie. (Suite.) Hor. Soc. ent. ross. 12(1): 82110, pl. 2. (Also as separate, pp. 1–29, 1 pl.)Google Scholar
Radoszkowski, O. 1877 a. In: Séance du 3 (15) Mai, 1876, de la Société Entomologique de Russie. Hor. Soc. ent. ross. 13: viiviii.Google Scholar
Radoszkowski, O. 1877 b. Essai d'une nouvelle méthode pour faciliter la détermination des espèces appartenant au genre Bombus. Bull. Soc. imp. Nat., Moscou 52(Pt. 2): 169219, pls. iia, iib. (1878). (Also appeared as separate, diff. pgd.) (For original announcement of intention of this work see In: Séance de la Société Entomologique de Russie, du 8 (20) Avril, 1874. Hor. Soc. ent. ross. 11: vi, 1875.)Google Scholar
Radoszkowski, O. 1878. Essai d'une nouvelle méthode pour faciliter la détermination des espèces appartenant au genre Bombus. Bull. Soc. imp. Nat., Moscou 53(Pt. 1): 7691, pls. iia, iib.Google Scholar
Radoszkowski, O. 1881. In: Sitzungen der Russischen Entomologischen Gesellschaft. Bull. Soc. imp. Nat., Moscou 16: v.Google Scholar
Radoszkowski, O. 1883. Sur quelques espèces Russes appartenant au genre Bombus. Bull. Soc. imp. Nat., Moscou 58(Pt. 1): 168226.Google Scholar
Radoszkowski, O. 1884. Revision des armures copulatrices des mêles du genre Bombus. Bull. Soc. imp. Nat., Moscou 59: 5192, tabs. 1–4.Google Scholar
Radoszkowski, O. 1886. Faune hyménoptèrologique Transcaspienne, [I]. Hor. Soc. ent. ross. 20: 356, pls. i–ii.Google Scholar
Radoszkowski, O. 1887 a. Faune hyménoptèrologique Transcaspienne, [II]. Hor. Soc. ent. ross. 21: 88101, pls. 2–5.Google Scholar
Radoszkowski, O. 1887 b. Hyménoptères de Korée, [I]. Hor. Soc. ent. ross. 428436. (Also separate, pp. 1–9.)Google Scholar
Radoszkowski, O. 1888 a. Etudes hyménoptèrologiques. I: Revision des armures copulatrices des mêles. II: Description de nouvelles espèces Russes. Hor. Soc. ent. ross. 22: 315337, tabs. 12–15.Google Scholar
Radoszkowski, O. 1888 b. Faune hyménoptèrologique Transcaspienne, [III]. Hor. Soc. ent. ross. 22: 338349. (Also separate, pp. 1–12.)Google Scholar
Radoszkowski, O. 1889. Notice sur le genre Bombus. Bull. Soc. imp. Nat., Moscou, N.S., 3(2): 202209.Google Scholar
Radoszkowski, O. 1890 a. Faune hyménoptèrologique Transcaspienne, [IV]. Hor. Soc. ent. ross. 23: 306312.Google Scholar
Radoszkowski, O. 1890 b. Hyménoptères de Korée, [II]. Hor. Soc. ent. ross. 24: 229232.Google Scholar
Radoszkowski, O. 1890 c. Hyménoptères récoltés sur le Mont Ararat. Hor. Soc. ent. ross. 24: 502510. (Also as separate, pp. 1–9.)Google Scholar
Radoszkowski, O. 1893 a. Faune hyménoptèrologique Transcaspienne, [V]. Hor. Soc. ent. ross. 27: 3881. Suppl., Hor. Soc. ent. ross. 27: 490–493. (Also as separate, pp. 1–44.)Google Scholar
Radoszkowski, O. 1893 b. Descriptions d'hyménoptères nouveaux. Rev. Ent., Fr. 12: 241245.Google Scholar
Rapp, O. 1938. Die bienen Thüringens unter besonderer berücksichtigung der faunistischock-ologischen geographie auf der literatur und beobachtungen von G. Jänner, G. Müller, H. Maertens, C. Beer, A. Petry und anderer entomologen. vi + 170 pp. Goecke, Krefeld.Google Scholar
Rau, P. 1922. Ecological and behavior notes on Missouri insects. Trans. Acad. Sci., St. Louis 24: 171, 4 pls.Google Scholar
Rau, P. 1924. Notes on captive colonies and homing of Bombus pennsylvanicus DeGeer. Ann. ent. Soc. Am. 17: 368381, 1 pl.Google Scholar
Rau, P. 1937. A note on nest-founding in the bumblebee, Bombus americanorum. Bull. Brooklyn ent. Soc. 32: 61.Google Scholar
Rau, P. 1941 a. The nesting habits of Bombus medius Cresson, the Mexican bumblebee. Psyche, Camb. 48: 166168.Google Scholar
Rau, P. 1941 b. A population study of a bumblebee colony, Bombus americanorum Fabr. Ent. News 52: 7073.Google Scholar
Rau, P. 1941 c. A note on oviposition by the queen bumblebee, Bombus americanorum Fabr. Can. Ent. 73: 55.Google Scholar
Rayment, T. 1935. A cluster of bees. 752 pp. Endeavour Press, Sydney.Google Scholar
Réaumur, R. A. F. de. 1742. Histoire des bourdons vélus, dont les nids sont de mousse. Mem. serv. l'hist. des Insectes 6: 138, 4 pls. L'imprimerie Royale, Paris.Google Scholar
Reid, J. A. 1938. Observations concerning aculeate Hymenoptera. Entomologist's mon. Mag. 74: 275277.Google Scholar
Reinig, W. F. 1930 a. Untersuchungen zur kenntnis der hummelfauna des Pamir-hochlandes. Z. Morph. Okol. Tiere 17 (hfn. 1–2): 68123.Google Scholar
Reinig, W. F. 1930 b. Phaenoanalytische studien über rassenbildung. I: Psithyrus rupestris Fabr. Zool. Jb., abt. syst. 60: 257280 (1931).Google Scholar
Reinig, W. F. 1931. Über die zusammensetzung der hochmontanen apiden-fauna der Pamir (Hym.). Dt. ent. Z., H. 1, pp. 6064.Google Scholar
Reinig, W. F. 1932. Beiträge zur faunistik des Pamir-gebietes. Wiss. ergebn. Alai-Pamir Exped., T. III, 1: 1192.Google Scholar
Reinig, W. F. 1932. Beiträge zur faunistik des Pamir-gebietes. Wiss. ergebn. Alai-Pamir Exped., T. III, 2: 197312.Google Scholar
Reinig, W. F. 1933 a. Entomologische ergebnisse der Deutsch–Russischen Alai–Pamir Expedition, 1928 (III). 7: Hymenoptera. VIII (Genus Bombus Fabr.). Nachtrag. Dt. ent. Ztg., pp. 163174 (1934).Google Scholar
Reinig, W. F. 1933 b. Ueber die verteilung der haartypen bei hummeln und ihre mutmassliche bedeutung für die färbung. S. B. Ges. naturf. Freunde (Berl.), pp. 102110 (1934).Google Scholar
Reinig, W. F. 1934. Über die bedeutung der individuellen variabilität für die entstehung geographischer rassen. S. B. Ges. naturf. Freunde (Berl.), pp. 5069 (1935).Google Scholar
Reinig, W. F. 1935 a. Über die bedeutung der individuellen variabilität für die Zentralasiatischen fauna (Hym. Bombidae). Abh. Pamir Exped. 1928, 7, pp. 175247.Google Scholar
Reinig, W. F. 1935 b. On the variation of Bombus lapidarius and its cuckoo, Psithyrus rupestris Fabr., with notes on a mimetic similarity. J. Genet. 30: 321356. (p. 15.)Google Scholar
Reinig, W. F. 1936 a. Beiträge zur kenntnis der hummelfauna von Mandschukuo. Mitt. Dt. ent. Ges., E.V., 7(1): 210.Google Scholar
Reinig, W. F. 1936 b. Bombus cingulatus Wahlb. (Hym. Apid.). S.B. Ges. naturf. Freunde (Berl.), pp. 13138 (1937).Google Scholar
Reinig, W. F. 1937 a. Die holarktis. Ein beitrag zur diluvialen und alluvialen geschichte der zirkumpolar faunen– und florengebiete. i–vi + 124 pp. Fischer, Jena.Google Scholar
Reinig, W. F. 1937 b. Melanismus, albinismus und rufinismus. Ein beitrag zum problem der entstehung und bedeutung tierischer färbungen. 122 pp., 27 illus. Thieme, Leipzig.Google Scholar
Reinig, W. F. 1937 c. [Bumblebees and the Hindukusch Expedition, 1936. In: Sitzungsberichte.] Mitt. Dt. ent. Ges., E.V., 7(No. 10): 100101.Google Scholar
Reinig, W. F. 1938. Elimination und selektion. Eine untersuchung über merksmalsprogressionen bei tieren und pflanzen auf genetisch-und historisch-chorologischer grundlage. i–viii + 146 pp., 29 figs. Fischer, Jena.Google Scholar
Reinig, W. F. 1939 a. Die genetisch-chorologischen grundlagen der gerichteten geographischen varibilität. Z. indukt. abstamm- u. VererbLehre (Berl.)76: 206308.Google Scholar
(Also, Jver. Dt. Ges. Vererbwiss. (Berl.) 13: 29: 206308, Wurzburg.)Google Scholar
Reinig, W. F. 1939 b. Die hummeln der reisen von E. Pfeiffer (1936) und E. Pfeiffer und Dr. W. Forster (1937) in den Elburs. Mitt. münch. ent. Ges. 29: 145148.Google Scholar
Reinig, W. F. 1939 c. Die evolutionsmechanismen, erläutert an den hummeln. Zool. Anz., suppl., 12: 170206, 23 figs. (Also in, Verh. Dt. zool. Ges. 41, Leipzig.)Google Scholar
Reinig, W. F. 1940. Beiträge zur kenntnis der hummelfauna von Afghanistan (Hym. Apid.). Ergebnisse der reise von H. und E. Kotzsch in den Hindukusch im jahr 1936. Dt. ent. Z. (hfn. 1–4), pp. 224235.Google Scholar
Rensch, B. 1933. Zoologische systematik und artbildungsproblem. Verh. dtsch. zool. Ges., pp. 1983. Köln.Google Scholar
Retzius, A. J. 1783. Caroli De Geer, genera et species insectorum, etc. vi + 7220 pp. Crusium, Lipsiae.Google Scholar
Rhymashevskii, V. K. 1948. [Role of various races of honeybees and bumblebees (Bombidae) in the pollination of red clover.] Selekts. Semenov. 15(6): 3337. (In Russian.)Google Scholar
Richards, O. W. 1927 a. The specific characters of the British humblebees (Hymenoptera). Trans. R. ent. Soc. Lond. 75(2): 233268, pls. 22–25, 5 figs.Google Scholar
Richards, O. W. 1927 b. Some notes on the humble-bees allied to Bombus alpinus L. Tromsø Mus., Årsh. 50 (Nr. 6): 332 (1931).Google Scholar
Richards, O. W. 1928 a. On a collection of humble-bees (Hymenoptera, Bombidae) made in Ladakh by Col. R. Meinertzhagen. Ann. Mag. nat. Hist., Ser. 10, 2: 333336.Google Scholar
Richards, O. W. 1928 b. Bombus and Volucella in the Himalayas. Entomologist's mon. Mag. 64(or ser. 3, 14): 107108. (With append. by P. Sack.)Google Scholar
Richards, O. W. 1928 c. A revision of the European bees allied to Psithyrus quadricolor, Lepeletier (Hymenoptera, Bombidae). Trans. R. ent. Soc. Lond. 76(Pt. 2): 345365, pl. 11.Google Scholar
Richards, O. W. 1928 d. Notes on aculeate Hymenoptera captured in France, with the description of a new race of Crossocerus elongatulus V. de Lind. Bull. Soc. ent. Fr. pp. 218224.Google Scholar
Richards, O. W. 1929 a. On two new species of humble-bees in the collection of the British Museum, constituting a new group of the genus Psithyrus. Ann. Mag. nat. Hist., Ser. 10, 3: 139143.Google Scholar
Richards, O. W. 1929 b. A revision of the humble-bees allied to Bombus orientalis Smith, with the description of a new subgenus. Ann. Mag. nat. Hist., Ser. 10, 3: 378386.Google Scholar
Richards, O. W. 1929 c. Parrallel colour-variations in humblebees from the Himalayas. Proc. R. ent. Soc., Lond. 3(3): 7576.Google Scholar
Richards, O. W. 1929 d. The types of the humble-bees described by Gribodo (Hymenoptera, Bombidae). Entomologist's mon. Mag. 65: 5859.Google Scholar
Richards, O. W. 1930. The humble-bees captured on the expeditions to Mount Everest (Hymenoptera, Bombidae). Ann. Mag. nat. Hist., Ser. 10, 5: 633658.Google Scholar
Richards, O. W. 1931. A new species of Indian humble-bee in the collection of the British Museum (Hymenoptera, Bombidae). Ann. Mag. nat. Hist., Ser. 10, 8: 529533.Google Scholar
Richards, O. W. 1933. Variation in Bombus jonellus Kirby (Hymenoptera, Bombidae). Ann. Mag. nat. Hist., Ser. 10, 12: 5966.Google Scholar
Richards, O. W. 1934. Some new species and varieties of oriental humble-bees (Hym. Bombidae). Stylops 3(Pt. 4): 8790.Google Scholar
Richards, O. W. 1935 a. Bombus muscorum (Linnaeus) and B. smithianus White (Hym.). Trans. Soc. Br. Ent. 2(1): 7385, pl. 5.Google Scholar
Richards, O. W. 1935 b. Redescription of the type of Psithyrus bellardii Gribodo. Annali Mus. civ. Stor. nat. Genova 57: 56.Google Scholar
Richards, O. W. 1935 c. Notes on the nomenclature of the aculeate Hymenoptera, with special reference to British genera and species. Trans. R. ent. Soc. Lond. 83: 143176.Google Scholar
Richards, O. W. 1936. On a collection of humble-bees (Bombus and Psithyrus, Hymenoptera) from Cara Island, Argyllshire. Entomologist's mon. Mag. 72: 109111.Google Scholar
[Richards, O. W.] 1937 a. A check list of the British Hymenoptera Aculeata. (pp. 94116.) In: The generic names of British insects. Part 5. pp. 81–149. R. ent. Soc., London.Google Scholar
Richards, O. W. 1937 b. The generic names of British Hymenoptera Aculeata (Annex to first report of the Hymenoptera subcommittee). (pp. 117140.) In: The generic names of British insects. Part 5. pp. 81–149. R. ent. Soc., London.Google Scholar
Richards, O. W. 1938. The formation of species. Methods of studying the early stages of evolutionary divergence in animals. pp. 95110. Evolution: Essays to Goodrich. De Beer (Editor), Oxford.Google Scholar
Richards, O. W. 1946. Observations on Bombus agrorum (Fabricius) (Hymen., Bombidae). Proc. R. ent. Soc. Lond. (A) 21(Pts. 7–9): 6671.Google Scholar
Richards, O. W. 1949 a. The significance of the number of wing-hooks in bees and wasps. Proc. R. ent. Soc. Lond. 24(Pts. 7–9): 7578.Google Scholar
Richards, O. W. 1949 b. The evolution of cuckoo bees and wasps. Proc. Linn. Soc. Lond., Sess. 161 (1948–49), Pt. 1, pp. 4041.Google Scholar
Richards, O. W. 1950. Hymenoptera Aculeata in Pembrokeshire. Entomologist's mon. Mag. 86: 7980.Google Scholar
Richards, O. W. 1951 a. Endemic races of aculeate Hymenoptera. J. Soc. Br. Ent. 4: 14.Google Scholar
Richards, O. W. 1951 b. The 3rd Danish expedition to central Asia. Zoological results 5. Bombidae (Insecta) from Afghanistan. Vidensk. Meddr dansk. naturh. Foren. (Kjøbenhavn) 113: 191199.Google Scholar
Richards, O. W. 1953. The social insects. xiii + 219 pp. MacDonald, London.Google Scholar
Richards, O. W. 1956. Handbooks for the identification of British insects. Hymenoptera. Introduction and keys to families. Vol. 1, Pt. 1, 94 pp. R. ent. Soc., London.Google Scholar
Ridgway, R. 1912. Color standards and nomenclature. iii + 43 pp., 53 pls. (col.). Washington, D.C. (Priv. publ.)Google Scholar
Riley, C.V. 1870. (See Campbell, 1870.)Google Scholar
Riley, C.V. 1890. Note. In: Short communications and exhibition of specimens. Insect Life 3: 87.Google Scholar
Ritcher, P.O. 1933. The external morphology of larval Bremidae and keys to certain species (Hymenoptera). Ann. ent. Soc. Am. 26: 5363, 2 pls. (33 figs.).Google Scholar
Ritsema, C. 1880. [Gynandromorphic Bombus mastrucatus Gerst.] Tijdschr. Ent. 24: cxi (Verslag) (1881).Google Scholar
Ritsema, C. 1884. Note XXX. [Synonymical remarks about certain Hymenoptera Aculeata.] Notes Leyden Mus. 6: 200.Google Scholar
Robertson, C. 1890. Notes on Bombus. Ent. News 1: 3941.Google Scholar
Robertson, C. 1897. North American bees—Descriptions and synonyms. Trans. Acad. Sci St. Louis 7(14): 315356.Google Scholar
Robertson, C. 1903. Synopsis of Megachilidae and Bombinae. Trans. Am. ent. Soc. 29: 163178.Google Scholar
Robertson, C. 1920. About Bombus americanorum F. Bull. Brooklyn ent. Soc. 15: 1416.Google Scholar
Robertson, C. 1929. Flowers and insects; lists of visitors of 453 flowers. 221 pp. Science Press, Lancaster, Pa. (Priv. printing.)Google Scholar
Rogenhofer, A., and Torre, K. W. v. Dalla. 1881. Die hymenopteren in I. [J.] A. Scopoli's Entomologia Carniolica und auf den dazugehörigen tafeln. Verh. zool.-bot. Ges. Wien 31: 593604 (1882).Google Scholar
Rossius, P. 1790. Fauna Etrusca. Vol. 2, 348 pp., 10 pls. Masi, Liburni.Google Scholar
Roussy, L. 1963. Sur l'origine et l'évolution probable des Apidae et de l'Apis adamatica de Heer. Gaz. apic. 64(670): 68.Google Scholar
Rozen, J. G. 1951. A preliminary comparative study of the male genitalia of Andrenidae (Hymenoptera, Apoidea). J. Kans. ent. Soc. 24(4): 142150.Google Scholar
Rudow, F. 1913. Die wohnungen und lebenstätigkeiten der honigsammelnden bienen, Anthophilidae. Int. ent. Z. 26: 165–166, 169–170, 173–174, 177, 181–182, 185, 189–190, 193–194, 201–202, 205–206, 209210; 27: 2–3, 6–7, 10–11, 15–16, 21–22, 26–27, 34–35, 37–38, 46–47, 50–51, 57–58.Google Scholar
(See also, 1918, Rudow, F. 1913. Die wohnungen und lebenstätigkeiten der honigsammelnden bienen, Anthophilidae. Int. ent. Z. 32: 4, re: Calyptus bomborum Rd.)Google Scholar
Ruiz, P. F. 19421943. Apidologia chilena. Segunda parte. Revta chil. Hist. nat. (Santiago) 46–47: 200231 (1944).Google Scholar
Ruthe, J. F. 1859. Verzeichniss der von Dr. Staudinger im jahre 1856 auf Island gesammelten hymenopteren. Ent. Z. 20: 305–322, 362379. (p. 379.)Google Scholar
Ryckman, R. E. 1953. Notes on the ecology of Bombus sonorus in Orange County, California and new parasitic records. Pan-Pacif. Ent. 29(3): 144146, 1 fig.Google Scholar
Sack, P. 1925. (See under Richards, 1925b.)Google Scholar
Safford, W. E. 1917. Natural history of Paradise Key and the near-by Everglades of Florida. In: Smithson. Rep., pp. 377434, pls. 1–65 (1919).Google Scholar
Sagemehl, M. 1882. Verzeichniss der in Est–, Liv– und Curland bisher gefunden bienen. Arch. Naturk. Liv–Ehst–und Kurlands (or Eesti loodust. Arch., Tartu), Ser. 2, 8: 451466.Google Scholar
Sakagami, S. F. 1950 a. Einige vorsuche über den geschmacksinn der hummeln. Kontyû 18: 8995.Google Scholar
Sakagami, S. F. 1950 b. Zur hummelfauna von Formosa. Systematische studien der hummeln I. Kontyû 18: 104113. (In Japanese with German summary.)Google Scholar
Sakagami, S. F. 1950 c. Zwei schmarotzerhummeln von der Kurileninseln (Systematische studien der hummeln, II). Insecta matsum. 17(2): 80.Google Scholar
Sakagami, S. F. 1951 a. Einige beobachtungen über den blumenbesuch der hummeln. Insect Ecol. 3: 75.Google Scholar
Sakagami, S. F. 1915 b. Bombus (Agrobombus) senilis Smith und ihr nest. (Systemat. stud. III). Mushi 22: 915, 2 pls.Google Scholar
Sakagami, S. F. 1953. Ueber Bombus (Diversobombus) diversus Smith (Systematische studien der hummeln IV). J. (zool.) Fac. Sci. Hokkaido Univ. (Sapporo) 11: 182192, 4 figs.Google Scholar
Sakagami, S. F. 1954. Ueber einige hummelarten von Hokkaido und Kurilen Inseln. Systematische studien der hummeln, V. Kontyû 21: 8492.Google Scholar
Sakagami, S. F., and Yoshikawa, K.. 1961. Bees of Xylocopinae and Apinae collected by the Osaka city university biological expedition to southeast Asia 1957–58, with some biological notes. In: Nat. & Life, S. E. Asia, Vol. 1. viii + 454 pp, 1 map. Fauna & Flora Res. Soc., Kyoto, Japan. (pp. 409444.)Google Scholar
Sandhouse, G. A. 1943. The type species of the genera and subgenera of bees. Proc. U.S. natn. Mus. 92 (No. 3156): 519619.Google Scholar
Santokh, S., Baijal, H. N., Gupta, V. K., and Mathew, K.. 1955. Entomological survey to the Himalayas, Part XIV. Notes on some insects collected by the second entomological expedition to the north-west Himalayas (1955), with descriptions of three new species of Odonata. Agra Univ. J. Res. (sci), suppl. 4, pp. 741766, 4 figs.Google Scholar
Saunders, E. 1884 a. Little-known British Hymenoptera. Entomologist's mon. Mag. 20: 270272.Google Scholar
Saunders, E. 1884 b. XII. Synopsis of British Hymenoptera. Anthophila; part II, Apidae. Trans. R. ent. Soc. Lond., Pt. 2, pp. 159250, pls. 5–12.Google Scholar
Saunders, E. 1885. Little known British Hymenoptera. Entomologist's mon. Mag. 21: 226228.Google Scholar
Saunders, E. 1888. Index to Panzer's Fauna insectorum Germaniae. 48 pp. Gurney & Jackson, London.Google Scholar
Saunders, E. 1890. Hymenoptera Aculeata of the British Islands. 391 pp., 52 pls. Reeve & Co., London.Google Scholar
Saunders, E. 1903. On the relationship of aculeate inquilines and their hosts. Entomologist's mon. Mag. 14: 272274.Google Scholar
Saunders, E. 1904. Hymenoptera Aculeata from Majorca (1901) and Spain (1901–2). Trans. R. ent. Soc. Lond., Pt. 3, pp. 591660, + appendix (On mimicry of Aculeata by Asilidae and Volucella, pp. 661–665, by E. B. Poulton).Google Scholar
Saunders, E. 1907. Wild bees, wasps and ants, and other stinging insects, etc. i–xiii + 144 pp., 4 pls. (col.). Routledge, London & New York.Google Scholar
Saunders, E. 1909. Bombi and other aculeates collected in 1908 in the Berner Oberland by the Rev. A. E. Eaton, M. A. Entomologist's mon. Mag. 45(or 20: ser. 2): 8384.Google Scholar
Saunt, J. W. 1933. Some unusual insects from the nesting boxes in the nature reserve. Proc. Coventry Distr. nat. Hist. scient. Soc. 1(4): 7273. (Coventry, England.)Google Scholar
Saunt, J. W. 1934. Three seasons amongst the insects at Tile Hill Nature Reserve. Proc. Coventry Distr. nat. Hist. scient. Soc. 1(5): 8489.Google Scholar
Say, T. 1837. Art. XVII: Descriptions of new species of North American Hymenoptera, and observations on some already described. Boston J. nat. Hist. 1(4): 361416.Google Scholar
Schenck, A., (sometimes indicated)]. 1851. Beschreibung Nassauischer bienenarten. Jber. Ver. Naturk. Herzogthum Nassau (or, Jb. nassauischer Ver. Naturk.) 7: 1106.Google Scholar
Schenck, A., 1853. Nachtrag zu der beschreibung Nassauischer bienenarten. Jber. Ver. Naturk. Nassau (or, Jb. nassauischer Ver. Naturk.) 9(1): 88306.Google Scholar
Schenck, A., 1855 a. Ueber einige schwierige genera und species aus der familie der bienen. Jber. Ver. Naturk. Nassau 10: 137149.Google Scholar
[Schenck, A.] 1855 b. Register zu der beschreibung Nassauischer bienen im heft vii, heft ix und x. Jber. Ver. Naturk. Nassau 10: 151160.Google Scholar
Schenck, A. 1860 a. Verzeichniss der Nassauischen Hymenoptera Aculeata, hinzufügen der übrigen dem verfasser bekannt gewordenen Deutschen arten. Stettin. ent. Ztg 21: 132157.Google Scholar
Schenck, A. 1860 b. Zu dem verzeichnisse der Nassauischen und übrigen Deutschen Hymenoptera Aculeata. (S. 132–157, d. jahrganges, [vol. 21, Stettin. ent. Ztg.].) Stettin. ent. Ztg 21: 417419.Google Scholar
Schenck, A. 1859. Die Nassauischen bienen. Revision und ergänzung der früheren bearbeitungen. Jber. Ver. Naturk. Herzogthum Nassau (or, Jber. nassauischer Ver. Naturk.) 14(3): 3414.Google Scholar
Schenck, A. 1861 a. Zusätze und berichtigungen zu der beschreibung der Nassauischen grabwespen (h. 12), goldwespen (h. 11), bienen (h. 14) und ameisen (hfn. 8 und 11). Jb. Ver. Naturk., Nassau (or, Jb. nassauischer Ver. Naturk.) 16(137): 139206.Google Scholar
Schenck, A. 1861 b. Die bienen des Herzogthmus Nassau. 419 pp. Niedner, Wiesbaden.Google Scholar
Schenck, A. 1867. Beschreibung der Nassauischen bienen. Zweiter nachtrag. Zusätze zu Nassauischen arten und die beschreibung der übrigen Deutschen arten. Jb. Ver. Naturk., Nassau 21–22: (269) 271382 (1868).Google Scholar
Schenck, A. 1870. Bemerkungen zu einigen der im jahrg. 30 der [Stett.] entom. zeitung beschriebenen bienen. Stettin. ent. Ztg 31(1–3): 104107.Google Scholar
Schenck, A. 1871. Mehrere seltene, zum theil neue hymenopteren. Stettin. ent. Ztg 32(7–9): 253257.Google Scholar
Schenck, A. 1837 a. Ueber einige streitige und zweifelhafte bienen-arten. Berl. ent. Z. 17: 243259.Google Scholar
[Schenck, A.] 1873 b. Erwiderung des Professor Schenck auf die anmerkung in der [Stettin] ent. zeit., 1872, ss. 294 und 295. Stettin. ent. Ztg. 34(4–6): 141152.Google Scholar
[Schenck, A.] 1873 c. Nachtrag zu dem artikel, s. 141 [In: Stettin. ent. Ztg, 1873]. Stettin. ent. Ztg. 34(4–6): 246247.Google Scholar
[Schenck, A.] 1874. Aus der bienen-fauna Nassau's. Berl. ent. Z. 18: 161173.Google Scholar
[Schenck, A.] 1875. Aus der bienen-fauna Nassau's. Dt. ent. Z. 19(2): 321332.Google Scholar
Schilling, S. (1849) 1850. In Schlesien gesammelte hummelarten. Übers. Arb. schles. gesellsch. f. vaterl. Cult., pp. 6869.Google Scholar
Schiødte, J. C. 1857. Udsigt over Grønlands land–, ferskvands– og strandbreds– arthropoder. (pp. 5074.) In: Rink, Grønland, geographisk og statistisk beskrevet, Bd. 2. Kjøbenhavn. (For German translation, see Etzel, A., Berl. ent. Z. 3: 134–157, 1859.)Google Scholar
Schirmer, C. 1911. Beiträge zur kenntnis der hymenopterenfauna der Provinz Brandenburg. Berl. ent. Z. 56: 153171.Google Scholar
Schirmer, C. 1912. Leben und treiben der hummeln. In: Sitzungsberichte der Berliner Entomologischen Verein fur die jahr 1911. Berl. ent. Z. 57: 4546.Google Scholar
Schirmer, C. 1915. Beiträge zur kenntnis der hymenopterenfauna der Provinz Brandenburg. Nachtrag. Dt. ent. Z., pp. 454457.Google Scholar
Schmidt, H. 1918. Biologisches über die erdhummel (Bombus terrestris L.). a: Vom neste und beobachtungen beim ausheben. b: Nektar-entnahme aus den bluten von Melampyrium silvaticum. Z. wiss. InsektBiol. 14: 1416, 2 figs.Google Scholar
Schmiedeknecht, O. (or H. L. O.). 1878. Monographie der in Thüringen vorkommenden arten der hymenopteren-gattung Bombus. Jena. Z. Naturw. 12: 303430, 2 pls.Google Scholar
Schmiedeknecht, O. (or H. L. O.). (1881. See under [Katter, F.].)Google Scholar
Schmiedeknecht, O. 1882 a. Zur speciesfrage von Bombus. ergänzung. Ent. Nachr. 8(2): 2122.Google Scholar
Schmiedeknecht, O. 1882 b1886. Apidae Europaeae. Two volumes (12 pts.), 1071 pp., 17 pls. Gumperdi et Berolini, Berlin. (Vol. 1, 1882; vol. 2, 1884–1886. See also, Schroeder, Handbuch der Entomologie, vol. 3, p. 825.)Google Scholar
Schmiedeknecht, O. 1907. Die hymenopteren Mitteleuropas. 804 pp. Fischer, Jena.Google Scholar
Schmiedeknecht, O. 1930. Die hymenopteren Nord– und Mitteleuropas. 1062 pp., 127 figs. 2nd ed. Fischer, Jena.Google Scholar
Schmitt, J. 1904. Monographie de l'isle d'Anticosti. vi + 367 pp., 46 figs., 1 mp.Google Scholar
Schneck, J. 1886. How the humble-bee obtains nectar from Physostegia virginiana. Bot. Gaz. 2: 276.Google Scholar
Schneider, A. 1883. Ueber die entwicklung von Sphaerularia bombi. Zool. Beitr. 1(1): 110, 5 figs., 1 taf.Google Scholar
Schneider, A. 1885. Fortgesetzte untersuchungen ueber Sphaerularia bombi. Zool. Beitr. 1(3): 247251, 1 fig.Google Scholar
Schneider, J. Sparre. (See under Sparre-Schneider.)Google Scholar
Scholz, E. J. R. 1908. Bombus hypnorum und Bombus muscorum als relikte der waldfaune in Königshutte O/S. Jahresb. ver. Schles. Insektenk., n.f., hft. 33, p. 26.Google Scholar
Scholz, E. J. R. 1913. Bienen und wespen; ihre lebensgewohnheiten und bauten. 208 pp., 80 illus. Quelle und Mayer, Leipzig.Google Scholar
Scholz, E. J. R. 1924. Die Rassen des Bombus soroënsis Fbr. und einige andere färbungerscheinungen bei hummeln. Z. wiss. InsektBiol. 19: 38.Google Scholar
Schonherr, C. J. 1809. Entomologiska anmärkningar och beschrifningar på några svenska nya insecter. K. svenska Vetensk-Akad. Handl. 30: 4858, 1 pl.Google Scholar
Schrank, F. P. 1781. Enumeratio insectorum Austriae indigenorum. 548 pp., tabs. 1–4. Vindel.Google Scholar
Schremmer, F. 1949. Bemerkungen zur ocellenfunktion bei hummeln. Oester. Zool. Z. (Vienna) 2: 242274.Google Scholar
Schrottky, C. 1903. Enumération des hyménoptères connu jusqu'ici de la République Argentina, de l'Uruguay et du Paraguay. An. Soc. cient. argent. 55: 80–91, 118–124, 176186.Google Scholar
Schrottky, C. 1908. Blumen und insekten in Paraguay. Z. wiss. InsektBiol. 4(hfn. 1–3): 13.Google Scholar
Schrottky, C. 1909. Himenópteros de Catamarca. An. Soc. cient. argent. 68: 233272.Google Scholar
Schrottky, C. 1913. La distribucion geographica de los hymenopteros Argentinos. An. Soc. cient. argent. 75: 115–144, 180286.Google Scholar
Schulthess, A. 1924. Contribution à la connaissance de la faune des hyménoptères de l'Afrique du nord. Bull. Soc. Hist. nat. Afr. N. Algiers 15(6): 293320.Google Scholar
Schultze, A. 1947. [The bumblebee (Bombus terrestris), an unknown friend of the farmer.] Frutas Madeira 7: 41, 48. (In Portuguese.)Google Scholar
Schulz, W. A. 1901 a. Ueber das nest von Bombus cayennensis (L.). Verh. zool.-bot. Ges. Wien 51: 361362.Google Scholar
Schulz, W. A. 1901 b. Nachtrag zu meiner berichte über des nest von Bombus cayennensis (L.). Verh. zool.-bot. Ges. Wien 51: 762.Google Scholar
Schulz, W. A. 1906. Strandgut (pp. 77–269). In: Schulz, Spolia Hymenopterologica, iii + 356 pp., 1 Taf. Paderborn (Junfermann).Google Scholar
Schulz, W. A. 1912. Aelteste und alte hymenopteren Skandinavischer autoren. Berl. ent. Z. 57: 52102.Google Scholar
Schwan, B. 1953. Iakttagelser rörande rödklöver-pollinerande insekter åren 1942–1946. Medd. svensk Fröodlareförb. 2: 3461.Google Scholar
Schwarz, H. F. 1943. [Some Venezuelan bees.] Algunas abejas Venezolanas. Boln Ent. venez. 2(1): 2734.Google Scholar
Schwarz, H. F. 1948. Stingless bees (Meliponidae) of the Western Hemisphere. Bull. Am. Mus. nat. Hist. 90: xvii + 1546.Google Scholar
Scopoli, A. 1763. Entomologia Carniolica, sistens insecta Carnioliae indigena, etc. 420 pp. + preface, index, etc. Vindobonae.Google Scholar
Scott, H. 1920. Notes on the biology of some inquilines and parasites in a nest of Bombus derhamellus Kirby; with a description of the larva and pupa of Epuraea depressa Illig. (=aestiva Auctt.: Coleoptera, Nitidulidae). Trans. R. ent. Soc. Lond., pp. 97127, 8 figs.Google Scholar
Scott, H. 1937. An observation on Bombus terrestris Linn. Proc. R. ent. Soc. Lond., Ser. A, 12 (Pts. 4–6): 51.Google Scholar
Scudder, S. H. 1891. Index to the known fossil insects of the World, including myriapods and arachnids. Bull. 71, 744 pp. U.S. geol. Surv., Washington.Google Scholar
Scullen, H. A. 1927. Bees belonging to the family Bremidae taken in western Oregon, with notes. Pan-Pacif. Ent. 4(2): 6976.Google Scholar
Scullen, H. A. 1928. Bees belonging to the family Bremidae taken in western Oregon, with notes. Pan-Pacif. Ent. 4(3): 121128.Google Scholar
Scullen, H. A. 1930. Notes on the distribution and altitude range of Oregon Bremidae (Hymenoptera). J. econ. Ent. 23: 786789.Google Scholar
Sedgwick, A. 1898. A student's text-book of zoology. Vol. 1, xii + 619 pp. Sonnenschein, London; Macmillan, New York.Google Scholar
Seidl, W. B. 1837. Die in Böhmen vorkommenden hummelarten. Beitr. gesam. Natur.-Heilwiss. 2: 6573.Google Scholar
Selons, E. 1910. Humble-bees and foxgloves. Zoologist 14: 327336.Google Scholar
Semenov-Tian Shansky, A. 1906. H. Friese, Neue oder wenig bekannte hummeln des Russischen Reiches (Rezension). Rev. russ. Ent. 6: 3940.Google Scholar
Semenov-Tian Shansky, A. 1910. [The taxonomic limits of a species and of its subdivisions.] Die taxonomischen grenzen der art und ihrer unterabteilungen. Zap. Akad. nauk, SSSR, Ser. 8, No. 1, 29 pp. St. Petersburg. (In Russian.)Google Scholar
Severin, H. C. 1925. The bumble-bees of South Dakota. 16th Rep. St. Ent. Sth. Dak., pp. 1720.Google Scholar
Shaw, G. 1806. General zoology, or systematic natural history. Vol. 6, pt. 2, Insecta. x + pp. 241509, 60 pls. Kearsley, London.Google Scholar
Short, J. R. T. 1959. On the skeleto-muscular mechanisms of the anterior abdominal segments of certain Hymenoptera. Trans. R. ent. Soc. Lond.111 (Pt. 8): 175203, 11 figs.Google Scholar
Shuckard, W. E. 1866. British bees: An introduction to the study of the natural history and economy of the bees indigenous to the British Isles. 371 pp., 16 pls. Reeve, London.Google Scholar
Sichel, J. 1858. Note sur un insecte hyménoptère hermaphrodite (Bombus lapidarius). Ann. ent. Soc. Fr., Ser. 3, Vol. 6. Bull. 17 (4e trimestre): ccxlviiccxlix.Google Scholar
Sichel, J. 1862. Observations hyménoptèrologiques. Ann. ent. Soc. Fr., Ser. 4, 2: 119122.Google Scholar
Sichel, J. 1865. Essai monographique sur le Bombus montanus et ses variétés. Annls Soc. linn. Lyon 11: 421443.Google Scholar
Sichel, J. 1867. Hymenoptera fossoria et mellifera. (pp. 139–156.)In: Suppl. to Saussure, Hymenoptera, reise der Österreichischen Fregatte Novara, etc. [Novara Exped.], Zool. Theil, Bd. 2, 156 pp., 4 tafn.Google Scholar
Sickmann, F. 1894. Beiträge zur kenntnis der hymenopteren-fauna des nordlichen China. Zool. Jb., abt. syst. 8: 195236.Google Scholar
Silvonen, L. 1942. Zur phänologie des fruhjahrauftreten der hummel (Bombus, Hym., Apidae). Eine vergleichende betrachtung. Ann. ent. fenn. (Suom. Hyönteistiet. Aikakausk.) 8(1): 83102.Google Scholar
Simpson, G. G. 1953. Life of the past. An introduction to palaeontology. 198 pp. Yale Univ. Press, New Haven, Conn. (Also, Oxford Univ. Press, Oxford, England.)Google Scholar
Sistek, V. 1948. [Some observations about the reasons of the decrease of some kinds of bumblebees.] Cesk. Akad. zeměd. Vest. 22: 432434. (In Czechoslovakian with Russian and English summaries.)Google Scholar
Sitowski, L. 1947. Makatka (Anthidium F.) jako tepeciel pszczot i trzmieli zbierajacych mido. [Anthidium ([manicatum (L.) F.]) as a competitor of [honey]bees and bumblebees gathering honey.] Rocz. nauk Rolnicz. Lèśynch (Agric. & Forest. Ann.) 49: 434436. (In Polish with English summary.)Google Scholar
Sjöstdet, Y., and Hummel, D.. 1934. Schwedisch-Chinesische wissenschaftliche expedition nach den nordwestlichen provinzen Chinas, unter der leitung von Dr. Sven Hedin und Prof. Sü Ping-chang. Insekten gesammelt vom Schwedischen arzt der expedition, Dr. David Hummel, 1927–1930. Einleitung. Ark. Zool. 25, A.(3): 134.Google Scholar
Skorikov, A. S. (Also Skorikow, & sometimes only A.). 1907. [Formes nouvelles des bourdons (Hymenoptera, Bombidae). (Diagnoses préliminaires).] I. Rev. russ. Ent. 7 (2–3): 111113 (1908). (In Russian, except Latin descriptions.)Google Scholar
Skorikov, A. S. (Also Skorikow, & sometimes only A.). 1908. [Formes nouvelles des bourdons (Hymenoptera, Bombidae). (Diagnoses préliminaires).] II. Rev. russ. Ent. 8(3–4): 260262 (1909). (In Russian except Latin descriptions.)Google Scholar
Skorikov, A. S. 1909 a. [Bombus mendax Gerst. und seine varietäten, (Hymenoptera, Bombidae).] Rev. russ. Ent. 9(3): 328330 (1910). (In Russian.)Google Scholar
Skorikov, A. S. 1909 b. [Note sur la faune et la répartition géographique des bourdons au N.-Caucase.) Trav. Soc. nat., l'Univ. Imp., Kharkow 43: 7784 (1910). (In Russian.)Google Scholar
Skorikov, A. S. 1909 c. [Nouvelles formes des bourdons (Hymenoptera, Bombidae). (Diagnoses préliminaires).] III. Rev. russ. Ent. 9(4): 409413 (1910). (In Russian except Latin descriptions.)Google Scholar
Skorikov, A. S. 1910. Revision der in der sammlung des weil. Prof. E. A. Eversmann befindlichen hummeln. Hor. Soc. ent. ross. 39: 570584.Google Scholar
Skorikov, A. S. 1911. [Bombus pratorum (L.) et ses formes (Hymenoptera, Bombidae).] Rev. russ. Ent. 11(3): 380382. (In Russian.)Google Scholar
Skorikov, A. S. 1912 a. [Bombus lapponicus (F.) et ses formes (Hymenoptera, Bombidae).] Rev. russ. Ent. 12(1): 95102. (In Russian.)Google Scholar
Skorikov, A. S. 1912 b. Neue hummelformen (Hymenoptera, Bombidae), IV. Rev. russ. Ent. 12(3): 606610. (In German.)Google Scholar
Skorikov, A. S. 1913. Neue hummelformen (Hymenoptera, Bombidae), V. Rev. russ. Ent. 13(1): 171175. (In German.)Google Scholar
Skorikov, A. S. 1914 a. Les formes nouvelles des bourdons (Hymenoptera, Bombidae), VI. Rev. russ. Ent. 14(1): 119129. (In Russian, subtitled in French.)Google Scholar
Skorikov, A. S. 1914 b. Hortobombus consobrinus (Dahlb.) et ses variations (Hymenoptera, Bombidae). Rev. russ. Ent. 14(2–3): 283286. (In Russian, subtitled in French.)Google Scholar
Skorikov, A. S. 1914 c. Subterraneobombus fedtschenkoi (F. Mor.), un bourdon de Turkestan peu connu (Hymenoptera, Bombidae). Rev. russ. Ent. 14(2–3): 287292. (In Russian, subtitled in French.)Google Scholar
Skorikov, A. S. 1914 d. Pratobombus leucopygus (F. Mor.) et ses variations (Hymenoptera, Bombidae). Rev. russ. Ent. 14(2–3): 293294. (In Russian, subtitled in French.)Google Scholar
Skorikov, A. S. 1914 e. Contribution à la faune des bourdons de la partie méridionale de la province maritime. Rev. russ. Ent. 14(4): 398407. (In Russian, subtitled in French.)Google Scholar
Skorikov, A. S. 1922 a. [Palaearctic bumblebees. Part 1, General biology, including zoogeography.] Bul. Sta. reg. protect. Plantes, Petrograd 4: 1160, 11 figs., 17 mps. (In Russian.)Google Scholar
Skorikov, A. S. 1922 b. Faunae Petropolitanae catalogus. Petrograd. agron. Inst. sci. Res., ent. Sta. 2(11): 151. (In Russian.)Google Scholar
Skorikov, A. S. 1925. Neue hummel-formen (Hymenoptera, Bombidae), VII. Rev. russ. Ent. 19: 115118. (In Russian, subtitled in German.)Google Scholar
Skorikov, A. S. 1927. [Clover cultivation and the pollinators.] Izv. Gos. Inst., opytn. Agron. 6: 460469. (In Russian.)Google Scholar
Skorikov, A. S. 1931. Die hummelfauna Turkestans und ihre beziehungen zur Zentralasiatischen fauna (Hymenoptera, Bombidae). Abh. Pamir-Exped., 1928, No. VIII, pp. 175247, 42 figs.Google Scholar
Skorikov, A. S. 1933 a. Zur fauna und zoogeographie der hummeln des Himalaya. C. R. Acad. Sci., URSS, No. 5, (n.s.), pp. 243248. (In Russian; pp. 243–246 with descriptions of new species, varieties, and with summary in German, pp. 246–248.)Google Scholar
Skorikov, A. S. 1933 b. Zur hummelfauna Japans und seiner nachbarländer. Mushi 6: 5365, 1 pl., 1 cht.Google Scholar
Skorikov, A. S. A. S. 1937 a. Vorlaufige mitteilung über die hummelfauna Burmas. Ark. Zool. 30, B (1): 13.Google Scholar
Skorikov, A. S. A. S. 1937 b. Die Grønländischen hummeln in aspekte der zirkumpolarfauna. Ent. Meddr 20: 3764.Google Scholar
Skou, J. P., Holm, S. N., and Hase, H.. 1963. Preliminary investigations on diseases in bumble-bees (Bombus Latr.). R. Vet. agric. Coll. Yb., Copenhagen, pp. 2741, 15 figs.Google Scholar
Skovgaard, O. S. 1936. Rødkløverens bestøvning, humelbier og humleboer. K. danske Vidensk. Selsk. (skr. Nat. Math.), Afd. 6(9), 140 pp.Google Scholar
Skovgaard, O. S. 1952. Humlebiers og honningbiers arbejdshastighed ved bestøvningen frødkløver. Tidsskr, Landbrugets, PlAvl 55: 449475.Google Scholar
Sladen, F. W. L. 1896. Humble bees. Br. Bee J. 24: 37, 4748.Google Scholar
Sladen, F. W. L. 1898. Bombus smithianus near Rye. Entomologist's mon. Mag. 34: 254255.Google Scholar
Sladen, F. W. L. 1899. Bombi in captivity, and habits of Psithyrus. Entomologist's mon. Mag. 35: 230234.Google Scholar
Sladen, F. W. L. 1900. Humblebees in winter. Br. Bee J. 28: 7274.Google Scholar
Sladen, F. W. L. 1912 a. Bombus terrestris L. and ruderatus F. (=subterraneus Smith) in New Zealand. Entomologist's mon. Mag. 48: 66.Google Scholar
Sladen, F. W. L. 1912 b. The humble-bee, its life-history and how to domesticate it, with descriptions of all the British species of Bombus and Psithyrus. xiii + 283 pp., 34 figs., 6 pls. (5 col.). Macmillan, London. (Also, privately published booklet, “The humble-bee, its life history and how to domesticate it”, 1892.)Google Scholar
Sladen, F. W. L. 1912 c. Bumble-bees and their ways. 43rd Rep. ent. Soc. Ont. (Canada), pp. 5056 (1913).Google Scholar
Sladen, F. W. L. 1914 a. Scarcity of bumble-bee nests in the vicinity of Ottawa. Ottawa Nat. 27: 69 (1913–1914).Google Scholar
Sladen, F. W. L. 1914 b. In: Meeting, Ottawa field-naturalist's club. Ottawa Nat. 27: 137 (1913–1914).Google Scholar
Sladen, F. W. L. 1914 c. In: Meeting of the entomological branch. Ottawa Nat. 27(12): 171172.Google Scholar
Sladen, F. W. L. 1915 a. Inquiline bumble-bees in British Columbia. Can. Ent. 47: 84.Google Scholar
Sladen, F. W. L. 1915 b. In: Root, The ABC and XYZ of bee culture. Root. Co., Medina, Ohio. (pp. 171177.)Google Scholar
Sladen, F. W. L. 1919 a. Notes on the Canadian representatives of British species of bees. Can. Ent. 51: 124130.Google Scholar
Sladen, F. W. L. 1919 b. The wasps and bees collected by the Canadian Arctic Expedition, 1913–18. In: Report of the Canadian Arctic Expedition, 1913–18. Insects. Part G. Hymenoptera and plant galls. III. pp. 25G35G.Google Scholar
Smit, F. G. A. M. 1960. A checklist of insect-stamps. Ent. Ber., Amst. 20: 9099.Google Scholar
Smith, F. 1852 a. VIII. Descriptions of some new and apparently undescribed species of hymenopterous insects from North China, collected by Robert Fortune, Esq. Trans. R. ent. Soc. Lond., n.s., 2: 3345.Google Scholar
Smith, F. 1852 b. IX. Descriptions of some hymenopterous insects from northern India. Trans. R. ent. Soc. Lond., n.s., 2: 4548, 1 pl.Google Scholar
Smith, F. 1854. Catalogue of the hymenopterous insects in the collection of the British Museum. Part II, Apidae. pp. 199465, 6 pls. British Museum (N.H.), London.Google Scholar
Smith, F. 1855 a. Catalogue of the hymenopterous insects in the collection of the British Museum. Part I, Apidae-bees. 248 pp., 11 pls. London. (Extract in: Ent. Ann., pp. 139–145, 1856.)Google Scholar
Smith, F. 1855 b. New British bees discovered since the publication of Kirby's monographia. Ent. Ann. (2nd ed.), pp. 8996.Google Scholar
Smith, F. 1857. Notes and observations on the aculeate Hymenoptera. Ent. Ann., pp. 2738.Google Scholar
Smith, F. 1858. Notes on aculeate Hymenoptera, with some observations on their economy. Ent. Ann, 3446.Google Scholar
Smith, F. 1859. Notes on the capture of rare species in 1858, with some observations on their economy, etc. Ent. Ann, 109117.Google Scholar
Smith, F. 1861. Descriptions of new genera and species of exotic Hymenoptera. J. Ent. 1(3): 146155, 1 pl.Google Scholar
Smith, F. 1863. Notes on Hymenoptera. Ent. Ann., pp. 5164.Google Scholar
Smith, F. 1865. Notes on Hymenoptera. Ent. Ann., pp. 8196.Google Scholar
Smith, F. 1866. (See Lord, 1866.)Google Scholar
Smith, F. 18661867. A revision of the British species of the genus Bombus. Entomologist 3: 240–243, 255–260, 267–269, 281288, 293–[296]298.Google Scholar
Smith, F. 1868. Notes on Hymenoptera. Ent. Ann., pp. 8196.Google Scholar
Smith, F. 1869. Descriptions of Hymenoptera from Japan. Entomologist 4(62): 205208.Google Scholar
Smith, F. 1870 a. Notes on Hymenoptera. Ent. Ann., pp. 1930.Google Scholar
Smith, F. 1870 b. Appendix. [Descriptions of some new species of (Pompilidae, Sphegidae, Larridae, Crabronidae, Eumenidae) Apidae and Vespidae collected by Mr. Home.] Trans. zool. Soc. Lond. 7(Pt. 3): 186196, 4 pls.Google Scholar
To: Home, Notes on the habits of some hymenopterous insects from the north-west provinces of India, Trans. zool. Soc. Lond. 7(Pt. 3): 161185, 1870.Google Scholar
Smith, F. 1871. A catalogue of British Hymenoptera; Aculeata. viii + 44 pp. Entomological Society of London.Google Scholar
Smith, F. 1872. Notes on the aculeate Hymenoptera of South Devon, etc. Ent. Ann., pp. 93106.Google Scholar
Smith, F. 1873. Descriptions of aculeate Hymenoptera of Japan, collected by Mr. George Lewis at Nagasaki and Hiogo. Trans. R. ent. Soc. Lond., pp. 181206.Google Scholar
Smith, F. 1876 a. Catalogue of British Hymenoptera in the collection of the British Museum. 2nd ed. Part 1: Andrenidae & Apidae. 236 pp., 11 pls. (same as in 1855 ed.). N.B. Second title page: “Catalogue of the British bees in the collection of the British Museum.”Google Scholar
Smith, F. 1876 b. Exportation of humble-bees to New Zealand. Entomologist 9: 1516.Google Scholar
Smith, F. 1878 a. Scientific results of the second Yarkand Mission, based upon the collections and notes of the late Ferdinand Stoliczka: Hymenoptera. Off. Supt. gov. Print., Calcutta. pp. 122, 1 pl.Google Scholar
Smith, F. 1878 b. List of Hymenoptera obtained by Mr. Ossian Limborg east of Moulmain, Tenasserim provinces, during the months of December 1876, January, March and April, 1877, with descriptions of new species. J. asiatic Soc., Bengal 47(3): 167169.Google Scholar
Smith, F. 1879. Descriptions of new species of Hymenoptera in the collection of the British Museum. xxi + 240 pp. British Museum (N.H.), London.Google Scholar
Smith, F. 1891. Catalogue of British Hymenoptera in the British Museum. 2nd ed. Part 1, Andrenidae and Apidae. (Second title: “Catalogue of the British bees in the collection of the British Museum.”) xi + 236 pp., 11 pls. (the same as in the 1855 and 1876 editions). New issue. British Museum (N.H.), London. [A third subtitle of this work appears on p. 1: “Catalogue of the bees of Great Britain.”]Google Scholar
Smith, J. B. 1890. Catalogue of insects found in New Jersey. 486 pp., 1st ed. Geol. Surv., N. J.Google Scholar
Smith, R. C. 1943. Common insects of Kansas. Rep. Kans. St. Bd Agric., vol. 62, no. 255, 440 pp.Google Scholar
Smith, W. W. 1896. Enemies of humble-bees in New Zealand. Entomologist 29: 210211 (ed. note, p. 212).Google Scholar
Snider, R. J., and Husband, R. W.. 1966. Collembola found in bumblebee nests. Trans. Am. microsc. Soc. 85(3): 473475.Google Scholar
Sniezek, J. 1894. O Krajowych gatunkach trzmieli. Ber. fysiogr. Komm. Krak. Ak. (also, Sprawozd. Kom., Krajo) 29: 122. (Summary in: Zool. Zentbl. 2: 176.)Google Scholar
Snoflák, H. 1949. Bumble-bees (Bombus) and clover. Vesmir 50: 5355 (1949–1950).Google Scholar
Snow, F. H. 1906. List of the Hymenoptera collected in Arizona by the University of Kansas entomological expeditions of 1902, 1903, 1904, 1905 [and] 1906. Trans. Kans. Acad. Sci. 20 (Pt. 2): 114.Google Scholar
Soika, A. G. 1933. Quarto contributo alla conoscenza degli imenotteri del Lido di Venezia. Bull. Soc. ent. ital. 65(6): 140145.Google Scholar
Soot-Ryen, T. 1925. Entomologische notizen I. Hymenoptera Aculeata und Tubulifera aus dem nordlichen Norwegen. Bull. Soc. ent. ital. 47(3): 115, 1 mp.Google Scholar
Soukup, J. 1943. Algunos himenópteros Peruanos. Bol. Mus. Nat., “Javier Prado” 7(26–27): 253274.Google Scholar
Sparre-Schneider, J. 1894. Humlerne og deres forhold til flora' en i det arktiske Norge. Tromsø Mus. Årsh. 17: 133143 (1895).Google Scholar
Sparre-Schneider, J. 1896. Insektlivet i Jotunheimen. Tromsø Mus. Årsh. 19: 113146 (1898).Google Scholar
Sparre-Schneider, J. 1904. Sydherø. Et lidet bidrag til kundskaben om den arktiske skjaergaards malakologiske og entomologiske fauna. Tromsø Mus. Årsh. 27: 170205.Google Scholar
Sparre-Schneider, J. 1906. Hymenoptera Aculeata im arktischen Norwegen. Tromsø Mus. Årsh. 29: 81160 (1909), 1 pl.Google Scholar
Sparre-Schneider, J. 1917. Die hummeln der Kristiania-gegend. Tromsø Mus. Årsh. 40: 145 (1918).Google Scholar
Spinola, M. 1805. Fauna Liguriae fragmenta. Decas 1, 21 pp., 1 pl. Genuae.Google Scholar
Spinola, M. 1806. Insectorum Liguriae species novae aut rariores, etc. Tome 1, fasc. 1. xvii + 159 pp., 2 pls. Gravier, Genuae. (Also, a second printing, 1808.)Google Scholar
Spinola, M. 1851. Himénopteros. (pp. 153–569, 571572.) In: Gay, Historia fisica y politica de Chile. Zoologia. Volume 6, 572 pp. Maulde & Renou, Paris. (Publ. by the author.)Google Scholar
Spinola, M. 1853. Compte rendu des hyménoptères inédits provenants du voyage entomologique de M. Ghiliani dans le Para en 1846. Mem. Acad. Sci., Torino, Ser. 2, 13: 1994.Google Scholar
Stammer, H. J. 1951. Eine neue tracheenmilbe, Bombacarus buchneri n. g., n. sp. (Acar. Podapolipodidae). Zool. Anz. 146: 135150.Google Scholar
Stapel, C. 1933. Undersøgelser over humlebier (Bombus Latr.), deres udbredelse, traekplanter og betydning for bestøvningen av rødkløver (Trifolium pratense L.). Tidsskr. Landbrugets, PlAvl 39: 193294.Google Scholar
Stapel, C. 1943. Über die befruchtung der luzerne durch insekten in Dänemark. Ent. Medd. ent. Foren. 23: 224239.Google Scholar
Staudinger, O. 1857. Reise nach Island zu entomologischen zwecken unternommen. Ent. Ztg. 18: 209289. (p. 220.)Google Scholar
Stein, G. 1856 a. Weitere beiträge zur biologie von Sphaerularia bombi Leon Dufour 1837. Z. Parasitenk. 17: 383393.Google Scholar
Stein, G. 1956 b. Beiträge zur biologie der hummeln (B. terrestris L., B. lapidarius L., v. a.). Zool. Jber. 84: 439462.Google Scholar
Steinberg, D. M. 1959. [Morphological adaptation of female ovaries in insects.] Ent. Rev., Akad. nauk, SSSR 38(3): 529539. (In Russian with English summary.)Google Scholar
Steinberg, D. M. 1961. [Review of, “Bumblebees” by J. B. Free & C. G. Butler.] Ent. Rev., Akad. nauk, SSSR 40(2): 482483. (In Russian.)Google Scholar
Stelfox, A. W. 1924. Notes on Irish aculeates with special reference to the Dublin district. Ir. Nat. J. 33: 1325.Google Scholar
Stelfox, A. W. 1927. A list of the Hymenoptera Aculeata (sensu lato) of Ireland. Proc. R. Ir. Acad. 37 (Sect. B, no. 22): 201355.Google Scholar
Stellwaag, F. 1915. Aus dem leben der hummeln. Naturw. Wochenschr. 14: 465471.Google Scholar
Stellwaag, F. 1916. Die blumenstetigkeit der hummeln. Z. wiss. InsektBiol. 12: 26–32, 6975.Google Scholar
Step, E. 1932. Bees, wasps, ants and allied insects of the British Isles. xxv + 238 pp., 715 illustrs. Warne, London and New York.Google Scholar
Stephen, J. F. 1829. The nomenclature of British insects, etc. ii + 68 pp. Baldwin, London.Google Scholar
Stephen, J. F. 1846. Illustrations of British entomology. Suppl., vi + 32 pp., 15 pls. and 1 p. index. Bohn, London.Google Scholar
Stephen, W. P. 1955. Alfalfa pollination in Manitoba. J. econ. Ent. 48: 543548.Google Scholar
Stephen, W. P. 1957. Bumble bees of western America (Hymenoptera: Apoidea). Oreg. agric. Exp. Stn Tech. Bull. 40: 2163.Google Scholar
Stevens, O. A. 1948 a. Native bees. N. D. agric. Exp. Stn Bi-mon. Bull. 10(6): 187194, 4 figs.Google Scholar
Stevens, O. A. 1948 b. Native bees. N. D. agric. Exp. Stn Bi-mon. Bull. 11(2): 4954, 2 figs.Google Scholar
Stierlin, R. 1906. Über das leben der hummeln. Mitt. naturw. Ges. Winterthur 6: 130144.Google Scholar
Stiles, C. W. 1895. Spherularia bombi in America. Ent. News 6: 248250, pl. 11.Google Scholar
Stöckhert, F. (or, F. K.). 1921. Ueber einen fall von frontaler gynandromorphie bei Bombus lapidarius L. (Hym.). Z. wiss. InsektBiol. 16: 132134.Google Scholar
Stöckhert, F. (or, F. K.). 1924. Über gynandromorphie bei bienen und die beziehungen zwischen den primären und sekundären geschlechtcharakteren der insekten. Arch. Naturgesch. 90 (abt. A., h. 2): 109131.Google Scholar
Stöckhert, F. (or, F. K.). 1932. Die bienen Frankens (Hym. Apid.). Eine ökologisch-tiergeographische untersuchung. Dt. ent. Z., 1932 Beiheft. viii + 294 pp. Berlin (1933).Google Scholar
Stöckhert, F. (or, F. K.). 1954. Fauna apideorum Germaniae (Nachträge und ergänzungen zu F. K. Stoeckhert, Die bienen Frankens, D.E.Z., 1932 Beiheft, Berlin, 1933). Abh. bayer. Akad. Wiss. math.-naturw. Klasse, n.f., H. 65, pp. 187, 2 figs. München.Google Scholar
Strand, E. 1905. Coleoptera, Hymenoptera, Lepidoptera und Araneae. (No. 3, pp. 1–30). In: Report of the second Norwegian arctic expedition in the “Fram”, 1898–1902. Volume 1, nos. 3–6 + 648 pp., 10 pls. (1904–1907). Norske Vidensk.-akad., Oslo, (& Vidensk.-selsk., Kristiania). Brøgger, Oslo.Google Scholar
Strand, E. 1909. Beitrag zur bienenfauna von Paraguay. (Hym.). Dt. ent. Z., pp. 227237.Google Scholar
Strand, E. 1910. Beiträge zur kenntnis der hymenopterenfauna von Paraguay auf grund der sammlungen und beobachtungen von Prof. J. D. Anisitis. VII, Apidae. Zool. Jb., abt. syst. 29: 455562.Google Scholar
Strand, E. 1913. H. Sauter's Formosa-ausbeute. Apidae I. (Hym.). Dt. ent. Mus., Suppl. Ent. No. 2, pp. 2367. Berlin–Dahlem.Google Scholar
Strand, E. 1917. Ueber einige Apidae des Deutschen entomologischen museums. Arch. Naturgesch. 58(11): 5771.Google Scholar
Strand, E. 1918. Notizen zur hymenopterenfauna Deutschlands, I–III. Int. ent. Z. (Guben) 32(1): 24;Google Scholar
Int. ent. Z. (Guben) 32(2): 7.Google Scholar
Strelnikov, I. D. 1931. Influence des radiations solaires sur la température du corps des insectes. C. r. Acad. Sci., Paris 192: 13171319. (Also, Dokl. Akad. nauk SSSR.)Google Scholar
Šustera, O. 1944. Úvod k prodromu našich vcel. Nynějši a bývalé přirodni poměry Čech a Moravy. [Introduction to a preliminary account of our bees. Present and past natural affinity of Bohemia and Moravia.] Sb. ent. Odd. zem. Mus. Praze (or, Acta ent. Mus. nat. Pragae) 21–22(298): [441] 443477, 1943–1944.) (In Czechoslovakian.)Google Scholar
Šustera, O. 1958. Übersicht des systems der Paläarktischen und Mittel-europäischen gattung der superfamilie Apoidea (Hymenoptera). Sb. ent. Odd. zem. Mus. Praze (or, Acta ent. Mus. nat. Pragae) 32: 443463.Google Scholar
Swammerdam, J. 1693. Historia insectorum generalis, in qua verissimae mutationem, etc. (Ex Belgica latinam fecit, H. C. Henninius.) 2nd ed. 16 unnumb. + 212 pp., 17 pp. indexes and 13 pls. Vries, Utrecht.Google Scholar
Swammerdam, J. 1737. Bybel der natuur. Etc. Volume (or part) I. pp. 484–487, 536537. Severin, Leydae. (Also, earlier (1652) and later (1758) editions of this work have been examined.)Google Scholar
Swederus, N. A. 1787. Ett nytt genus, och femtio nya species af insekter. Vetensk. Akad. Handl. (Stockholm) 8: 181–201, 276290.Google Scholar
Swenk, M. H. 1907. The bees of Nebraska, III. Ent. News 18: 293300.Google Scholar
Swenk, M. H. 1938. Two new American bumblebees. Pan-Pacif. Ent. 14: 2930.Google Scholar
Taniguchi, S. 1955. (See also under Miyamoto.) Biological studies on the Japanese bees, II. Study on the nesting behavior of Bombus ardens Smith. Scient. Rep. Hyogo Univ. Agric. 2: 8996.Google Scholar
Thomson, C. G. 1870. Oefversigt af Sveriges humlor. Opusc. ent. 2(14): 251261.Google Scholar
Thomson, C. G. 1872. Hymenoptera Scandinaviae. (Apis Lin.). Vol. 2. 286 pp., 1 pl. Berling, Lundae.Google Scholar
Thomson, G. M. 1891. The humble-bee in New Zealand. N.Z. J. Sci. 1: 1626.Google Scholar
(See also: Entomologist's mon. Mag. 27 (or Ser. 2, vol. 2): 131132, 1891, and Insect Life 4: 157, 1891.)Google Scholar
Thomson, G. M. 1922. The naturalisation of animals and plants in New Zealand. i–x + 607 pp. Univ. Press, Cambridge, England.Google Scholar
Thorp, R. W. 1962. Notes on the distributions of some bumblebees of western North America. Pan-Pacif. Ent. 38(1): 2128.Google Scholar
Tillet, B. C. 1915. Mimicry—Some of nature's strategems. Ottawa Nat. 29(7): 7476.Google Scholar
Titus, E. S. G. 1902. Colorado Bombidae. Can. Ent. 34: 3744.Google Scholar
Tkalcu, B. 1959. Eine neue art der gattung Psithyrus Lep. aus Korea (Hymenoptera, Bombinae). Čas. čsl. Spol. ent. or Acta. Soc. ent. Čech. 56(no. 3): 251254.Google Scholar
Tkalcu, B. 1960 a. Zur hummelfauna der Apenninen (Hymenoptera, Bombinae). Mem. Mus. civ. Storia Nat., Verona 8: 2368, 8 figs., 7 mps., 2 pls.Google Scholar
Tkalcu, B. 1960 b. Nouvelles formes de bourdons et bourdons parasites d'Europe centrale. Bull. Soc. ent., Mulhouse (Feb.–Mar.), pp. 912.Google Scholar
Tkalcu, B. 1960 c. Remarques sur quelques espèces de bourdons de Chine (Hymenoptera, Bombinae). Bull. Soc. ent., Mulhouse (Sept.–Oct.), pp. 6671.Google Scholar
Tkalcu, B. 1960 d. Sur l'hibernation des bourdons. Bull. Soc. ent., Mulhouse (Dec.), pp. 9697.Google Scholar
Tkalcu, B. 1961 a. Zwei Chinesische hummel-arten (Hymenoptera, Bombinae). Čas. čsl. Spol. ent. or Acta Soc. ent. Čech. 58(no. 1): 4559.Google Scholar
Tkalcu, B. 1961 b. Zur hummelfauna der umgebung Kuku-Nors (Hymenoptera, Bombinae). Čas. čsl. Spol. ent. or Acta Soc. ent. Čech. 58(no. 4): 344379, 28 figs., 2 pls.Google Scholar
Tkalcu, B. 1961 c. Nouvelles formes de bourdons d'Europe centrale. Bull. Soc. ent., Mulhouse (Jul.–Aug.), pp. 5556.Google Scholar
Tkalcu, B. 1961 d. Deuxième contribution sur l'hibernation des bourdons. Bull. Soc. ent., Mulhouse (Nov.–Dec.), pp. 105106.Google Scholar
Tkalcu, B. 1962 a. Sur la faunistique des bourdons d'Espagne. Bull. Soc. ent., Mulhouse (Jan.–Feb.), pp. 1416.Google Scholar
Tkalcu, B. 1962 b. Bourdons capturés par M. Ed. Klinzig en 1960 et 1961. Bull. Soc. ent., Mulhouse (May–June), pp. 4448.Google Scholar
Tkalcu, B. 1962 c. Contribution à l'étude des bourdons du Japon. (I). (Hymenoptera, Apoidea). Bull. Soc. ent., Mulhouse (Nov.–Dec., 1962), pp. 81100 (1963).Google Scholar
Tournier, H. 1889. Descriptions d'espèces nouvelles. L'Ent. Genev., Nos. 11–12, pp. 220223 (1890).Google Scholar
Townsend, C. H. T. 1936. The mature larva and puparium of Brachycoma sarcophagina (Townsend) (Diptera: Metopiidae). Proc. ent. Soc., Wash. 38: 9298.Google Scholar
Townsend, L. H. 1951. The hibernation of Bombus impatiens Cresson (Hymenoptera: Bombidae). Ent. News 62: 115116.Google Scholar
Trautmann, G. 1915. Ein äusserst seltener fund: Antherophagus Latr. nigricornis Fabr. an einer lebenden hummel. Int. ent. Z. (Guben) 9: 59.Google Scholar
Trautmann, G., and Trautmann, W.. 1915. Beitrag zur hummelkenntnis das Europäischen arktischen gebietes. Int. ent. Z. (Guben) 9(no. 34): 189.Google Scholar
Trautmann, W. 1913 a. Beitrag zur kenntnis unserer hummelfauna Bombus silvarum v. equestris. Int. ent. Z. (Guben) 7(no. 27): 182.Google Scholar
Trautmann, W. 1913 b. Bombus hortorum L. var. starzmanni n. v. Int. ent. Z. (Guben) 7(no. 30): 203.Google Scholar
Trautmann, W. 1914. Beitrag zur Europäischen hummel-forschung. Int. ent. Z. (Guben) 7(no. 50): 333.Google Scholar
Trautmann, W. 1915. Bombus lapidarius var. alticola Kriechbaumer. Int. ent. Z. (Guben) 8(no. 34): 189.Google Scholar
Trojanowa, R. 1956. Zeszyt 35. Conopidae, pp. 340. In: Klucze do oznaczania owadów Polski, Cześci XXVIII. Polski zwi. ent., Nr. 19 [n.s.].Google Scholar
Tuck, W. H. 1896. Inquiline and other inhabitants in nests of aculeate Hymenoptera. Entomologist's mon. Mag. 7: 153155.Google Scholar
Tuck, W. H. 1897. Coleoptera etc. in the nests of aculeate Hymenoptera. Entomologist's mon. Mag. 8: 5860.Google Scholar
Tucker, E. S. 1908. Additional results of collecting insects in Kansas and Colorado. Trans. Kans. Acad. Sci. 22(2): 276304 (1909).Google Scholar
Twinn, C. R. 1948. The poet's Hymenoptera. III: Bumble bees, the ichneumons, and the gall wasps. Pests 16(10): 20, 22.Google Scholar
Uchida, T. 1926. Über eine Psithyrus-art von Sachalin. Dobutsug. Zass., Tokyo 38(452): 151155.Google Scholar
Uchida, T. 1936. Einige hymenopteren aus dem berg Daisetsu. Biogeography (Trans. Biogeogr. Soc., Japan) 1: 6374.Google Scholar
Vachal, J. 1904. Voyage de M. G. A. Baer au Tucuman (Argentina). Hymenoptera mellifera. (Familia unica: Apidae). Revta Ent. Caen 23: 926.Google Scholar
Vachal, J. 1906. Apidae. [Bombinae, pp. 6364.] In: Expédition Antarctique Belge. Résultats du voyage du S.Y. Belgica en 1897–1899 sous le commandement de A. de Gerlache de Gomery. Rapports scientifiques, etc. Vols. 7–9, Zool. (Insectes): 1–92, 5 pls. (col.). Commission de la Belgica, Anvers (Antwerp).Google Scholar
Valkeila, E. 1961. Harvinainen Bombus ruderarius (Müll.) värimuunnos läydetty Forssasta (Hym., Apoidea). [A rare aberration of Bombus ruderarius (Müll.) found in Forssa.] Loun.–Häm. Loun. 11: 8384, 1 fig. (In Finnish.)Google Scholar
Valle, O. 1935. Undersökningar över klöverarternas pollination och frobildning. In: Beret, nord. jordbrugs. foren., femte Kongres, København, 1935. Nord. Jordbrugsf., Hfn. 4–7, pp. 489497.Google Scholar
Valle, O. (1948) 1949. De olika humlearternas samt betydelse för rödklöverns pollination. Ann. Ent. fenn. 14(Suppl.): 225231. (With English summary.)Google Scholar
Valle, O. 1955. Untersuchungen zur sicherung der bestäubung von rotklee. Acta agra. fenn. 83: 205220.Google Scholar
Valle, O. 1959. Kimalaiset ja mehiläiset puna-apilan pölyttäjinä. Maatalous Koetim 13: 227237. (With English summary.)Google Scholar
Van der Vecht, J. 1957. On some Hymenoptera from the collection of Guérin-Menville in the Leiden Museum. Zool. Meded. 35(3): 2131.Google Scholar
Vanhöffen, E. 1897. Die fauna und flora Grönlands. Insekten und spinnentiere. (pp. 141159.) In: Grönland—Expedition der gesellschaft f. erdkunde zu Berlin, 1891–1893. Band 2. 383 pp.Google Scholar
Van Ingen, G. 1887. Humblebees and petunias. Bot. Gaz. 12: 89.Google Scholar
Vecht, J. (See under van der Vecht.)Google Scholar
Verhoeff, C. 1892. Einige bemerkungen über apiden. Berl. ent. Z. 36(h. 1): 203206.Google Scholar
Verlaine, L. 1934. L'instinct et l'intelligence chez les hyménoptères, XXV. La spécialisation et la division du travail chez les bourdons. Bull. Soc. Sci. Liége 4: 8186.Google Scholar
Viereck, H. L. 1902. Hymenoptera of Beulah, New Mexico. (pp. 43–100.) In: Skinner, A list of the insects of Beulah, New Mexico. Trans. Am. ent. Soc. 29: 35117 (1903).Google Scholar
Viereck, H. L. 1903 a. Bombus gelidus Cresson, B. kincaidii Ckll. Ent. News 14: 54.Google Scholar
Viereck, H. L. 1903 b. Maryland Hymenoptera (Aculeata). Ent. News 14: 119122.Google Scholar
Viereck, H. L. 1904. Synopsis of bees of Oregon, Washington, British Columbia and Vancouver. Can. Ent. 36: 93100.Google Scholar
Viereck, H. L. 1906. Notes and descriptions of Hymenoptera from the western United States. Trans. Am. ent. Soc. 32: 173247.Google Scholar
Viereck, H. L. 1923. Hymenoptera of the Pribilof Islands, Alaska. (p. 236.)In: North American fauna, no. 46, “A Biological Survey of the Pribilof Islands, Alaska” U.S. Bur. Biol. Surv., pp. 229236.Google Scholar
Viereck, H. L. 1926. pp. 106–107. In: Criddle, The entomological record, 1925. 56th Rep. ent. Soc. Ont. (Canada), pp. 94107.Google Scholar
Viereck, H. L., et al. 1916. Guide to the insects of Connecticut. III. The Hymenoptera, or wasp-like insects of Connecticut. Conn. geol. nat. hist. Surv. Bull. 22. 824 pp., 10 pls.Google Scholar
Villers, C. de., 1789. Caroli Linnaei entomologia, faunae Suecicae descriptionibus, etc. Vol. 3. 657 pp., 4 pls. Piestre et Delamolliere, Lugduni.Google Scholar
Vitzthum, H. (Graf). 1931. Bombus-parasitiden. Zool. Jb., abt. syst. 60: 145.Google Scholar
Vleugel, D. A. 1949. [Observations on the fanning and beginning of the day of the stone bumblebee, (B. lapidarius (L.).] De Lev. Nat., Amsterdam 52: 2429. (In Dutch.)Google Scholar
Vogt, O. 1908. Bombi (hummeln). (pp. 100101.) In: Wissenschaftliche ergebnisse von Expedition Filchner nach China und Tibet, 1903–05. Band 10, T. 1. xii + 288 pp., 26 pls., 1 mp. Mittler, Berlin.Google Scholar
Vogt, O. 1909. Studien über das artproblem. 1: Mitteilung. Über das variieren der hummeln. 1 T. S. B. Ges. naturf. Freunde, Berlin, pp. 2884, 1 pl.Google Scholar
Vogt, O. 1911. Studien über das artproblem. 2: Mitteilung. Über das variieren der hummeln. 2. T. (Schluss). S. B. Ges. naturf. Freunde, Berlin, pp. 3174.Google Scholar
Vogt, O. 1947. Ethnos, ein neuer begriff der populations—taxionomie. Naturwissensch-aften (Berl.) 34(h. 2): 4552, 23 figs.Google Scholar
Vogt, C., and Vogt, O.. 1938. Sitz und wesen der krankheiten im lichte der topistischen hirnforschung und des variierens der tiere. II Teil, I hälfte. Zur einfuhrung in das variieren der tiere. Die erscheinungszeiten der variation. J. Psychol. Neurol., Leipzig 48(hfn. 3–4): 169324, 648 figs.Google Scholar
Vollenhoven, S. C.van, Snellen. 1873. Description d'un Bombus nouveau de l'isle de Sumatra. Tijdschr. Ent. 16: 229230, 1 pl.Google Scholar
[Vovejkov, G. S.] 1953. [Natural changes in female bumblebees (Hymenoptera, Bombidae).] Ént. Obozr. 33: 174181. (In Russian.) (Reviewed by Kupchikova, 1959, q.v.)Google Scholar
Vovejkov, G. S., et al. 1958. [The attempt to create an artificial population of bumblebees for the purpose of increasing the seed production of red clover.] Trud., zool. Inst., Akad. nauk SSSR 24: 247270. (In Russian.)Google Scholar
Vuyck, L. 1921 a. Nederlandsche hommels. De Lev. Nat., Amsterdam 26(afl. 1): 716.Google Scholar
Vuyck, L. 1921 b. Nederlandsche hommels. Determinatie tabel voor de inlandsche soorten van de geslachten Bombus en Psithyrus. De Lev. Nat., Amsterdam 26(afl. 3): 7075.Google Scholar
Vuyck, L. 1921 c. Nederlandsche hommels. De Lev. Nat., Amsterdam 26(afl. 4): 92108.Google Scholar
Vuyck, L. 1921 d. Nederlandsche hommels. De Lev. Nat., Amsterdam 26(afl. 5): 5122.Google Scholar
Vuyck, L. 1922. Nederlandsche hommels. De Lev. Nat., Amsterdam 27(afl. 2): 3848.Google Scholar
Vuyck, L. 1923. Nederlandsche hommels. De Lev. Nat., Amsterdam 28(afl. 1): 716;Google Scholar
De Lev. Nat., Amsterdam 28(afl. 3): 6572.Google Scholar
Vuyck, L. 1924. Nederlandsche hommels. Opmerkingen over hommels. De Lev. Nat., Amsterdam 29(afl. 3): 7786.Google Scholar
Wagner, W., v. 1905. Ueber die genesis und die entwicklung der geselligkeit im tierreiches. C. r., Congr. Zool. 6: 674689.Google Scholar
Wagner, W., v. 1907. Psycho-biologische untersuchungen an hummeln mit bezugnahme auf die frage der geselligkeit im tierreiche. Zool., H. 46, pp. 1239, 136 textfig., u. 1 taf. (1906–1907).Google Scholar
Wahlberg, P. F. 1851. Techningar ur insekternes hoardagslifin. Förh. scand. Naturf. 6: 72a72d (1855).Google Scholar
Wahlberg, P. F. 1854. Iakttagelser och anmarkningar ofver de nordiska humlorna. Ofvers K. VetenskAkad. Förh., pp. 199211 (1855).Google Scholar
Wahlberg, P. F. 1857. Beobachtungen über die nordischen hummeln. Z. Ges. naturw., Halle 9: 132136.Google Scholar
Walckenaer, C. A. 1802. Faune Parisienne, … Insectes. Vol. 2. xxii + 438 pp. Dentu, Paris.Google Scholar
Walcott, W. H. L. 1845. Apathus barbutellus bred in a nest of Bombus pratorum. Zoology 3: 848.Google Scholar
Walrecht, B. J. J. R. 1954 a. Over de bouwinstincten der hommels en de noodzaak van een hernieuwd onderzoek op gewijzigde basis. De Lev. Nat., Amsterdam 57: 4650, 4 figs.Google Scholar
Walrecht, B. J. J. R. 1954 b. Een nest van de akkerhommel. De Lev. Nat., Amsterdam 57: 130133, 1 fig.Google Scholar
Walrecht, B. J. J. R. 1956. Een nest van de tuinhommel. De Lev. Nat., Amsterdam 59: 230233, 1 fig.Google Scholar
Walrecht, B. J. J. R. 1957. [Nests of Bombus lapidarius and B. subterraneus.] De Lev. Nat., Amsterdam 60(3): 6466Google Scholar
Walrecht, B. J. J. R. 1957. [Nests of Bombus lapidarius and B. subterraneus.] De Lev. Nat., Amsterdam 60(10): 233236. (In Dutch.)Google Scholar
Walsh, B. J. 1864. On certain entomological speculations of the New England school of naturalists. Proc. ent. Soc. Philad. 3: 207249.Google Scholar
Washburn, F. L. 1918. The Hymenoptera of Minnesota. In: 17th Rep. St. Ent. Minn., pp. 145237 (1919).Google Scholar
Webb, M.C. 1961. The biology of Psithyrus variabilis (Cresson) (Hymenoptera, Apoidea). Proc. Nth Cent. Br. ent. Soc. Am. 16: 16. (Planeographed.)Google Scholar
Webb, R. J. 1898. Pollination of the closed gentian by bumblebees. Am. Nat. 32: 265.Google Scholar
Weber, N. A. 1950. A survey of the insects and related arthropods of arctic Alaska, I. Trans. Am. ent. Soc. 76: 147206, 7 pls.Google Scholar
Weber, N. A. 1953. Arctic Alaskan Hymenoptera and Coleoptera. Ent. News 64: 256260.Google Scholar
Westerlund, A. 1898. Wie Bombus seinen nestbau beginnt. Allg. Ill. Z. Ent. 3: 113114.Google Scholar
Westwood, J. O. 1840. In: Duncan, Natural history of bees. viii + 301 pp.; 30 pis. Lizars, Edinburgh; Highley, London; Curry, Dublin. (p. 256, pl. 17, fig. 2.) (Duncan q. v.)Google Scholar
Wettstein, R., v. 1903. Der neo-Lamarkismus und seine beziehungen zum Darwinismus. Etc. 30 pp. Fischer, Jena.Google Scholar
Weyrauch, W. 1937. Recherches nouvelles sur la chaleur dans les nids d'hyménoptères sociaux. Mém. Soc. r. sci. Liège, 4 Ser., 11: 369394 (1938).Google Scholar
Wheeler, W. M. 1913. Review: Sladen, The humble bee. Science (n.s.) 37(944): 180182.Google Scholar
Wheeler, W. M. 1919 a. The parasitic Aculeata, a study in evolution. Proc. Am. Phil. Soc. Philad. 58: 141.Google Scholar
Wheeler, W. M. 1919 b. The phoresy of Antherophagus. Psyche, Camb. 26: 145152, 1 fig.Google Scholar
Wheeler, W. M. 1928. The social insects. Their origin and evolution. xviii + 378 pp. Harcourt, Brace, New York; Paul, Trench, Trubner, London.Google Scholar
Whelden, R. M. 1954. Notes on the bumblebee (Bombus fervidus Fabricius) and its chromosomes. Jl N.Y. ent. Soc. 62: 9197.Google Scholar
White, W. J. 1947. Encouraging an ally, etc. Country Guide 66(7): 2021.Google Scholar
Wilcke, J. 1953. Domestication of bumblebees for red clover pollination. Versl. cent. Inst. landbouwk. Onderz. Ov., pp. 4347.Google Scholar
Wild, O. H. 1924. Observations on the humble-bees of Bute. Scott. Nat. (Edinburgh), pp. 5360.Google Scholar
Wild, O. H. 1931. Notes on the peculiarities of some Lepidoptera and Hymenoptera from the Inner and Outer Hebrides. Scott. Nat. No. 190, pp. 113119, 1 pl.Google Scholar
Wille, A. 1956. Comparative studies of the thoracic musculature of bees. Univ. Kans. Sci. Bull. 38: 467499.Google Scholar
Wille, A. 1958. A comparative study of the dorsal vessels of bees. Ann. ent. Soc. Am. 51: 538546.Google Scholar
Williams, J. L. 1897. Intoxication of humble-bees on certain capitulate flowers. J. Bot. (Brit. & For.) 35: 811.Google Scholar
Wilson, E. O. 1954. A new interpretation of the frequency curves associated with ant polymorphism. Insectes soc. 1: 7580, 2 figs.Google Scholar
Wilson., J. 1909. Report of the [U.S.] Secretary [of Agriculture]. Yb. U.S. Dep. Agric., p. 108.Google Scholar
Wnukowsky, W. 1929. Einige faunistische angaben über die insekten Sibiriens und des Ussuri-gebietes. Zool. Anz. 83(nos. 9–10): 212220.Google Scholar
Wnukowsky, W. 1936. Beiträge zur insekten-fauna des bezirkes von Tomsk (West-Sibirien). Konowia 15(h. 2): 113128.Google Scholar
Wu Chenfu, F. 1941. Catalogus insectorum sinensium. Volume 6. i–vi + 4 unnumb. + 353 pp. and appendices i–xv. Yenching University, Peiping.Google Scholar
Yarrow, I. H. H. 1954. Some observations on the genus Bombus with special reference to Bombus cullumanus (Kirby) (Hym. Apidae). J. Soc. Br. Ent. 5(Pt. 1): 3439, 15 figs.Google Scholar
Yarrow, I. H. H. 1955. Bombus (Alpinobombus) hyperboreus clydensis n. ssp., from Baffin Island, North-West Territories, Canada. Ann. Mag. nat. Hist., Ser. 12, 8: 151152.Google Scholar
Yarrow, I. H. H. 1959. (See Free and Butler 1959.)Google Scholar
Yasumatsu, K. 1933. On a new variety of Psithyrus sylvestris (Lepeletier) from Corea. Insect World, Gifu 37(nr. 426): 4143.Google Scholar
Yasumatsu, K. 1934 a. On the male of Bombus bicoloratus Smith (Hymenoptera, Bombidae). Trans. nat. Hist. Soc. Formosa 24(no. 135): 543545.Google Scholar
Yasumatsu, K. 1934 b. Eine neue Bombus ignitus Smith ähnliche schmarotzerhummel aus Korea. (Hymenoptera, Bombidae). Annot. zool. Jap. 14(no. 4): 399403.Google Scholar
Yasumatsu, K. 1935. Insects of Jehol, VIII. Superfamily Apoidea (Order Hymenoptera, II). Art. 67. pp. 1–47, 7 pls. In: Rep. First Sci. Exped., Manchuoko, Sect. 5, Vol. 4, Pt. 12. (In Japanese.)Google Scholar
Yasumatsu, K. 1939 a. Notes on some species of the genus Psithyrus Lepeletier from Korea (Hym.: Bombidae). Trans. Kansai ent. Soc., Osaka 9(no. 2): 1921, 4 figs. (In Japanese with English summary.)Google Scholar
Yasumatsu, K. 1939 b. On the occurrence of the genus Psithyrus Lepeletier in Honsyú, Japan (Hym., Bombidae). Konchu-Kenkyu 3(no. 1): 1821. (Entirely in Japanese, except part of p. 20 in English.)Google Scholar
Yasumatsu, K. 1940. Contributions to the hymenopterous fauna of Inner Mongolia and North China. Trans. Sapporo nat. Hist. Soc. 16(pt. 2): 9095.Google Scholar
Yasumatsu, K. 1946. Hymenoptera Aculeata collected by Mr. K. Tsukeni in North China and Inner Mongolia, III. Apoidea: I. Mushi 17(1): 1926.Google Scholar
Yasumatsu, K. 1947 a. Some wasps and bees of the desert Kunshantagh in Inner Mongolia. Mushi 18(4): 2933.Google Scholar
Yasumatsu, K. 1947 b. Hymenopterous fauna of N[orth] Kyushu. Biosphaera 1: 3135. (In Japanese.)Google Scholar
Yasumatsu, K. 1949. Synonymy and other taxonomic notes on the two commonest bumble bees of eastern Asia. Insecta matsum. (Sapporo) 17: 1722, 1 fig.Google Scholar
Yasumatsu, K. 1951. Bombus and Psithyrus of Shansi, N[orth] China (Hymenoptera, Apidae). Mushi 22: 5962.Google Scholar
Yeo, P. F. 1961. Records of Aculeata from Leicestershire. Entomologist's mon. Mag. 97: 134.Google Scholar
Yasumatsu, K. 1963. Bombus soroensis (Hym., Apidae) in Leicestershire—a correction, and Coelocrabo ambiguus (Hym., Sphecidae) in Cambridgeshire—a new record. Entomologist's mon. Mag. 99 (1187–1188): 81.Google Scholar
Zavattari, E. 1910. Imenotteri della valle del Roja. (Mater. per la fauna alpina del Piemonte.) Bol. Mus. Zool. anat. comp. Univ. Torino 25(no. 633): 14.Google Scholar
Yasumatsu, K. 1911. Imenotteri della valle del Maira. (Mater. per la fauna alpina del Piemonte.). Bol. Mus. Zool. anat. comp. Univ. Torino 26(no. 643): 14.Google Scholar
Zetterstedt, J. W. 1838. Insecta Lapponica descripta. Sectio secunda. Hymenoptera. Cols. 317–476. (Complete work, 1840, 5 sections, 1140 cols. + iii–vi. Voss, Lipsiae.)Google Scholar
Zhivoyinovit, S. 1950. La fauna des insectes du domaine forestier de Majdanpek. Monogr. 160 (no. 2), vii + 262 pp., 21 pls., 1 mp. Acad. Serb. Sci., Inst. Ecol. Biogéogr., Belgrade. (In Serbian with French summary.)Google Scholar
Zikán, W., and Wygodzinsky, P.. 1948. Catálogo dos tipos de insetos do Instituto de Ecologia e Experimentaçao Agricolos. Bol. Serv. nac. Pesq. agron., no. 4, pp. 193. Rio de Janeiro.Google Scholar
Zimmerman, K. 1935. Zur fauna von Sylt. II: Wirbellose. Schr. naturw. Ver. Schlesw.-Holst. 21: 278286.Google Scholar