ICHNEUMON-FLIES — GELINAE : MESOSTENINI 171 



strong, complete but its median section usually weak, sublaterally 

 elevated as a weak crest, at the crest about 20° from the horizontal, 

 more mesad turning strongly forward; ovipositor sheath about 0.30 as 

 long as front %ving; ovipositor rather stout, its upper valve with a 

 straight taper from nodus to apex. 



There are eastern and Rocky Mountain subspecies, as kej^ed and 

 described below: 



1. Hind basitarsus of male with its basal 0.25 to 0.6 fuscous, the rest white; seg- 

 ments 2-4 of hind tarsus of female whitish; clypeus in profile with its apical 

 0.35 approximately fiat; range: Carolinian fauna. 



3a. virgeus virgeus, new subspecies 

 Hind basitarsus of male entirely fuscous or its extreme apex white; segments 

 2-4 of hind tarsus of female brownish fulvous; clypeus in profile with its 

 apical 0.35 distinctly concave; range; Colorado and Arizona. 



3b. virgeus ardalus, new subspecies 



3a. Habrocryptoides virgeus virgeus, new subspecies 



Apical 0.35 of clypeus (in profile) flat or weakly concave, obliquely 

 declivous. 



Male: Head white, the median portion of frons and vertex and the 

 occiput black; mouth parts white; antenna black, the scape white 

 except behind; propleurum, broad upper and lower margins of prono- 

 tum, spot in center of mesoscutum, sometimes a small spot on meso- 

 scutum next to base of front wing, scutellum, postscutellum, tegula, 

 subtegular ridge, upper part of prepectus, mesepimeron, large mark 

 on lower part of mesopleurum, stripe along mesal side of sternaulus, 

 upper hind part of metapleurum, central spot on propodeum which 

 continues laterad along apical carina, and front and middle coxae and 

 trochanters, white; upper side of first trochanters brown; thorax black 

 except where described as white and except that a large part of propo- 

 deum, of metapleurum, and sometimes small areas on mesopleurum 

 are f ulvoferruginous ; femora fulvous, the apex of hind femur infus- 

 cate; front and middle tibiae and tarsi stramineous, the tarsi brown 

 apically; hind coxa and trochanters fulvous, the base of first trochan- 

 ter fuscous or brownish above; hind tibia dark brown, paler basally; 

 hind tarsus white, the basal 0.25 to 0.6 of its first segment and apical 

 0.5 it of its last segment fuscous; wings hyaline; abdomen fulvous, 

 the apex of its first segment white. 



Female: Head black, with a broad orbital ring and median stripe 

 on face, white; cljrpeus and mandible white to fulvous; palpi brown, 

 the second segment of maxillary palpus white; scape brown; flagel- 

 lum blackish, with a white band that covers about 5.5 segments, the 

 band brown below; propleurum fulvous to fuscous; pronotum black, 

 its upper and lower margins broadly black; mesonotum black, a cen- 

 tral spot on mesoscutum, sometimes a small spot on mesoscutum next 



