ICHNEUMON-FLIES — GELINAE : MESOSTENINI 341 



Toronto, and Waubamick) ; Pennsylvania (Allegheny Co. and Spring 

 Brook) ; Quebec (Aylmer, Kazabazua, Lacoste, La Trappe, Montreal, 

 Nominingue, Queen's Park in Aybner, and Rigaud) ; Saskatchewan 

 (Waldheim and Waskesiu) ; Vermont (Laurel Lake near Jacksonville, 

 Jacksonville, and South Ne^vfane) ; Virginia (Big Meadows near Shen- 

 andoah Parkway and Mount Elliott m Augusta Co. at 4,473 ft.); 

 Wisconsin (Door Co. and Milwaukee) ; and Yukon Territory (Watson 

 Lake) . 



The great majoritj^ of collection dates are from late May to early 

 July. The earliest and latest records are: May 16 at Oswego, N.Y.; 

 May 17 at Hamden, Conn.; May 18 and 20 at Robson, B.C.; May 19 

 at Ann Arbor, Mich.; July 8 in Kalkaska Co. and Roscommon Co., 

 Mich.; July 8 and 9 at Laurel Lake, near Jacksonville, Vt.; July 14 at 

 summit of Whiteface Mt., N.Y., and at Aweme, Man.; and July 26 

 in Emmet Co., Mich. 



This subspecies is transcontinental in northern United States and 

 southern Canada. 



lb. Trychosis montivaga austrina, new subspecies 



Male: Black. Palpi fuscous, the third, fourth, and apex of fifth 

 segment of maxillary palpus white; front and middle femora brown, 

 infuscate below; front and middle tibiae pale brown; front and middle 

 tarsi white, the basal 0.3 ± of front basitarsus and basal 0.4 ± of 

 middle basitarsus broAvnish, all of their fifth segments and a dorsal 

 apical area on the fourth segment brown; apex of hind second tro- 

 chanter ferruginous; hind femur dark brown, ferruginous basally and 

 narrowly ferruginous at apex; hind tibia brown, darkened apically, 

 its extreme apex paler; hind tarsus white, the basal 0.3 ± of the first 

 segment and all of the fifth segment brown, the fifth segment paler 

 at base ; wings subhyaline ; abdomen entirely ferruginous. 



Female: Black. Palpi fuscous; front femur dark brown, pale 

 brown above and apically; middle femur dark brown, pale brown at 

 apex; front and middle tibiae and tarsi pale brown; hind femur 

 blackish brown, paler at base and apex; hind tibia dark brown, paler 

 basally; hind tarsus dark brown, the segments 2-4 light brown; wings 

 subhyaline; abdomen entirely ferruginous. 



Type: 9, Tajique, N. Mex., June 25, 1941, R. H. Beamer (Law- 

 rence) . 



Paratypes: 5cf, same data as type (Lawrence and Townes). cf, 

 Tajique, N. Mex., June 25, 1940, R. H. Beamer (Townes). 



2. Trychosis similis (Cresson) 



Figure 38:3 



Front wing 3.7 to 7.0 mm. long; clypeus unusually wide, strongly 

 punctate, less convex than usual for the genus, its apical 0.4 somewhat 



