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NORTH AMERICAN THYSANURA—V

Published online by Cambridge University Press:  31 May 2012

Alex. D. Macgillivray
Alex. D. Macgillivray
Affiliation:
Ithaca, N. Y.
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Extract

In a previous paper there were given analytical tables to the genera of the families Aphorouridæ and Poduridæ; in the present paper will be found a table to the families and a table to the genera of the Entomobryidæ. The Smynthuridæ and Papiridæ are each represented by a single genus.

Type
Articles
Information
The Canadian Entomologist , Volume 26 , Issue 4 , April 1894 , pp. 105 - 110
Copyright
Copyright © Entomological Society of Canada 1894

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References

* Furcula is the name used by Tullberg for the ventral spring, the basal segment is the rnanubrium, the middle segment the dentes, and the apical segment the mucrones.

† Schott describes the following new species from California, and adds several European species:—Entomobrya nivalis, Linn, p. 16. E. multifasciata, Tullb. = D. decemfasciata, Pack, p. 17. E. marginata, Tullb, p. 17. Sira purpurea, Schott, p. 17. Drepanura californica, Schott, p. 19. Orchesella rufescens, Lub., p. 21. Isotoma viridis, Bour var. aquatilis, Lub. = I. tricolor, Pack, p. 22. I. palustris, Muller, p. 22. Also the following Poduridæ and Aphoruridæ:—Achorutes viaticus, Tullb., p. 23. A. armatus, Nic. = marmoratus, Pack, p, 23. Xenylla maritima, Tullb., p. 24. Lipura inermis, Tullb. = L. funetaria, Pack, p. 24.

Schort Beitrage zur Kenntniss Kalifornischen Collembora, Bihang Kongl, Svens. Vet. Akad. Hand. Bd. 17. Afd. IV, No. 8, pp. 1–24, 1891.

* Tullberg erected this genus for the reception of a species from Nova Zembla, C. borealis, Tullb. The characters separating it from Isotoma are certainly superficial.

† As the description of this genus may be inaccessible to many, it is appended: “Mesonotum non prominens. Segmentum abdominale quartum triplo vel quadruplo longius quam tertium. Antennæ dimidia parte corporis breviores, quadriarticulatæ, articulo secundo et tertio inter se fere aequalibus, quarto omnium longissimo. Ocelli 16; 8 in utroque latere capitis. Pili clavati praecipue in regione cervicis et in segmentis apicalibus stipati. Mucrones furculae parvi falciformes. Squamæ? Type, Drepanura californica, Schott.

* Derived from the name of a village.

† στρογγύλος, rotundus: νωτος, dorsum.

* Schott adds the following:—Smynthurus eisenii, Schott, p. 7. S. luteus, Lub., p. 11. S, niger. Lub., p. 12. S. plicatus, Schott, p. 13.

* Schott adds a single species, Papirius maculosus, Schott, p. 14.