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THE NEARCTIC SPECIES OF IDRIS FOERSTER. PART I: THE MELLEUS-GROUP (HYMENOPTERA: SCELIONIDAE)

Published online by Cambridge University Press:  31 May 2012

L. Masner  and
J. Denis
L. Masner
Affiliation:
Agriculture and Agri-Food Canada, Centre for Land and Biological Resources Research, Biological Resources Division, Central Experimental Farm, Ottawa, Ontario, Canada K1A 0C6
J. Denis
Affiliation:
Agriculture and Agri-Food Canada, Centre for Land and Biological Resources Research, Biological Resources Division, Central Experimental Farm, Ottawa, Ontario, Canada K1A 0C6
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Abstract

The state of taxonomy of Idris, egg parasitoids of spiders, in Nearctic North America is reviewed. The concept of Idris is discussed and Ceralobaeus Ashmead is considered a junior synonym (new synonymy). The melleus-group of Idris is defined and 11 Nearctic species are keyed and described: I. castaneus sp.nov. (south and southeastern USA), I. chrysion sp.nov. (southeastern USA), I. costatus sp.nov. (eastern USA), I. lacunatus (Baja California, Mexico). I. leedsi sp.nov. (midsouthem USA), I. melleus (Ashrnead) (south and southeastern USA and southern Canada), I. onychion sp.nov. (southeastern USA), I. ornatus sp.nov. (eastern USA), I. pulvinus sp.nov. (south and southeastern USA), I. spartinae sp.nov. (southeastern USA), and I. triticola sp.nov. (midwestern USA). Extra-limital Nearctic members of the melleus-group are briefly discussed.

Résumé

On trouvera ici une révision taxonomique des espèces d’Idris, parasitoïdes des oeufs d’araignées dans la zone néarctique de l’Amérique du Nord. Le concept d’Idris fait l’objet d’une discussion et le genre Ceratobaeus Ashrnead en devient un synonyme récent (nouvelle synonymie). Le groupe melleus d’Idris est défini, 11 espèces néarctiques sont décrites et une clé d’identification permettra de les distinguer : I. castaneus sp.nov. (sud et sud-est des É.-U.), I. chrysion sp.nov. (sud-est des É.-U.), I. costatus sp.nov. (est des É.-U.), I. lacunatus (Basse-Californie, Mexique), I. leedsi sp.nov. (centre sud des É.-U.), I. melleus (Ashmead) (sud et sud-est des É.-U et sud du Canada), I. onychion sp.nov. (sud-est des É.-U.), I. ornatus sp.nov. (est des É.-U.), I. pulvinus sp.nov. (sud et sud-est des É.-U.), I. spartinae sp.nov. (sud-est des É.-U.) et I. triticola sp.nov. (centre-ouest des É.-U.). Les espèces de groupe melleus de l’extérieur de la zone néarctique sont examinées brièvement.

[Traduit par la Rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 128 , Issue 1 , February 1996 , pp. 85 - 114
Copyright
Copyright © Entomological Society of Canada 1996

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