1923] 
The Genus Lasiopogon 
145 
appressed, whitish, becoming black on posterior segments, ovi- 
positor slightly longer than seventh segment, polished, blunt, 
but little tapering; venter heavily cinereous pollinose. Legs 
densely coated with gray pollen, femora with a few whitish long 
bristle-like hairs beneath, no coating of pile but the short hairs 
of femora and under side of tibise white, hairs of remainder of 
tibi^B and of tarsi and bristles black, pul villi brownish. Wings 
nearh^ hyaline, veins blackish, anterior crossvein slightly before 
middle of discal cell. 
Holotype . — Gold Creek, Montana, July 29, 1918 (Melander.) 
