216 U. S. NATIONAL MUSEUM BULLETIN 216 paet 3 



meos, Kokanee Mt. at 9,000 f t., Loriia, Revelstoke, Robson, Rogers Pass, 

 Vernon, Victoria, and Wellington); California (Camino, Dardanelle, 

 and Glen Alpine Creek at Lake Tahoe) ; Colorado (Phantom Valley in 

 Rocky Mountain National Park at 9,400 ft.); Idaho (13 miles north- 

 east of Franklin and Lake Waha); Montana (Lake McDonald in 

 Glacier National Park); Oregon (Portland); Utah (Kanosh Canyon, 

 Navajo Lake at 9,000 ft., and Salt Lake City); and Washington 

 (Mount Spokane and Summerland Trail in Mount Rainier National 

 Park). 



Collection dates are distributed from May 13 to August 21. We 

 have found the species common among grass in stream bottoms, where 

 there are deciduous trees. 



This species ranges from southern Alberta and British Columbia to 

 Arizona, in the Canadian and Transition zones. 



15. Trachysphyrus lochinaius, new species 



Front wing 7.7 to 8.5 mm. long; body stout; lower half of frons 

 transversely wrinkled, its pits shallow; temple wealdy convex; first 

 flagellar segment of female about 4.0 as long as wide; mesopleurum 

 polished, in male mostly punctate but rugulose centrally, in female 

 mostly wrinlded and with more or less distinct punctures, the rugu- 

 losity or wrinlding with a horizontal bias in male, strongly horizontal 

 in female; hind femur of male about 6.0 as long as deep, of female 

 about 4.1 as long as deep. 



Male: Black. Face except for a stripe on each side of middle and 

 the median dorsal depression, narrow frontal orbit, narrow stripe on 

 hind orbit, clypeus, mandible, front of scape, subtegular ridge, ex- 

 treme hind corner of pronotum, and sometimes a narrow stripe on 

 upper margin of pronotimi, yellow; palpi yellow to fulvous, brown 

 basally; front and middle coxae and first trochanters dark brown to 

 black, yellowish white ventrally; front and middle second trochanters 

 whitish below, fulvous above; front and middle femora, tibiae, and 

 tarsi fulvous brown, the femora and tibiae pale in front and segment 

 5 of tarsi dark brown; hind tarsus yellowish white, the basal 0.35 db 

 of first segment and all but base of last segment brownish fulvous; 

 wings with a brownish tinge ; first segment of abdomen black, its apex 

 usually more or less red; second segment of abdomen red, often in- 

 fuscate medially; third and following segments of abdomen red. 



Female: Black. Front and hind orbit narrowlj^ yellowish; mandi- 

 ble tinged with red; palpi fuscous; front and middle legs beyond tro- 

 chanters reddish brown; hind femur red, its apex a little infuscate; 

 hind tibia blackish brown ; hind tarsus reddish brown, its first segment 

 a little darker except at its base and apex; wings moderately infus- 



