AMERICAN HYMENOPTERA. 175 



143. dorsalis, Cress. Proc. PiQt. Soc. Phil, iii, p. 177, 9 . 



Hdb. — Colorado. A robust black species with clypeus, mesothorax, 

 scutellum and abdomen ferruginous ; wings fuscous ; postpetiole broad 

 and aciculated; gastrocoeli moderately large and deep. Length 9 

 .55 inch. 



144. Le\visii, Cress. Proc. Ent. Soc. Phil, iii, p. 177, 9 ; Trans. Am. 



Ent. Soc. i, p. 307. 

 var. sandix, Cress. Proc. Ent. Soc. Phil, iii, p. 174, 9 . 

 Hub — N. Y., Va., Ga., 111. A dark winged ferruginous species, 

 with the pleura, metathorax, coxse, and generally a band at base of 

 third abdominal segment, black ; the antennae are slender and tri- 

 colored — ferruginous at base, broadly yellow medially and black at 

 tip ; sometimes the thorax is entirely black except two stripes on 

 mesothorax and scutellum; the var. sandix has the thorax above and 

 abdomen entirely ferruginous. Length 9 .55 inch. 



145. purpuripennis, Cress. Proc. Cal. Acad. 1877. 



Hab. — California. A rather stout ferruginous species with fusco- 

 violaceous wings ; antenna) short, stout, with apical half or two-thirds 

 black; the basal margin of abdominal segments three and four are 

 sometimes narrowly black. Length 9 .50 inch. 



146. cupitus, Cress. Proc. Cal. Acad. 1877. 



JFTab. — California. This is probably the % 0^ purpuripennis ; color 

 entirely ferruginous with antennae except scape beneath, and sutures 

 of thorax more or les.s, black; wings fuscous; face yellowish. Length 

 % .55 inch. 



147. compar, Cress. Proc. Cal. Acad. 1877. 



Hab. — Vancouver's Island. An elongate robust ferruginous species, 

 with fuscous wings : antennae stout ferruginous, paler medially and 

 black at tips; closely allied to purpziripe^mis, but more elongate and 

 differently shaped. Length 9 .52 inch. 



148. crudosus, Cress. Proc. Cal. Acad. 1877. 



Ilab. — California. An elongate ferruginous species, witli blackish 

 wings, black head and thorax beneath; face yellow; legs entirely fer- 

 ruginous. Length S .(35 inch. 



140. trogiformis, Cress. Proc. Eat. Soc. Phil, iii, p. 175, % ; Trans. 

 Am. Ent. Soc. i, p. 307, 9 . 

 Hub. — N. J., Ga., Fla., La., Tex. Easily recognized by the fer- 

 ruginous body, broad blackish wings, unusually large head and strongly 

 constricted abdominal segments; the metathorax, pleura and posterior 



