ICHNEUMON-FLIES — GELINAE : MESOSTENINI 345 



Specimens (161 cf, 729): From District of Columbia; Indiana 

 (Lafayette) ; Kansas (Lawrence and Miami Co.) ; Kentucky (Crail- 

 hope) ; Mar3dand (Bowie, Cabin John, Fort Washington in Prince 

 Georges Co., Glen Echo, Patuxent Refuge near Bowie, Plummers 

 Island, Solomons, and Takoma Park) ; Massachusetts (Sandwich and 

 Woods Hole) ; Michigan (Alicia, Ann Ai*bor, Aurelius, East Lansing, 

 Grosse He, Midland Co., Monroe Co., Roscommon Co., Shiawassee 

 Co., and Van Buren Co.); New Hampshire (Jaffrey) ; New Jersey 

 (Alpine and Moorestown) ; New York (Cold Spring Harbor, Islip on 

 Long Island, and Millwood) ; North Carolina (Burnsville, Clinton, 

 Crabtree Meadows in Yancey Co. at 3,600 ft., Elizabethtown, High- 

 lands, ffill Devil Hills, Mills River, Murfreesboro, North Fork of the 

 Swannanoa [River] in the Black Mts., Rocky Mount, and Wake 

 Co.); Ohio (BrecksviUe, Cedar Point, Columbus, Hocking Co., 

 Montgomery Co., and Union Co.); Pennsylvania (Philadelphia); 

 South Carolina (Columbia, Greenville, and McClellanville) ; Tennessee 

 (Great Smoky Mountains National Park, Chimneys Campground 

 in Great Smoky Mountains National Park, and Knoxville) ; Texas 

 (Gillespie Co. and Wharton Co.) ; Virginia (Arlington, Barcroft, 

 Chain Bridge, Dunn Loring, East Falls Church, Falls Church, Glen- 

 carlyn, and Great Falls); and Wisconsin (Madison). 



Collection dates are mostly in late May, June, and July, The 

 earliest and latest records are: April 16 at Takoma Park, Md. ; April 30 

 at Elizabethtown, N.C. ; May 10 in Wharton Co., Tex., and at Great 

 Falls, Va.; May 17 and 19 at McClellanville, S.C; May 18, 19, and 

 20 at Bowie, Md. ; August 5 at Crabtree Meadows, 3,600 ft., Yancey 

 Co., N.C. ; August 10 at Bowie, Md.; and August 23 at Highlands, N.C. 



This subspecies occurs in the Carolinian and Austroriparian faunas. 



3. Trychosis nigripes, new species 



Figure 384 



Front Aving 5.1 to 5.5 mm. long; nervulus beyond the basal vein 

 by about 0.19 its length; punctures on lower part of temple small, 

 sharp, separated by about 1.4 their diameter. Structure otherwise 

 like that of T. similis except that clypeus is a little smaller and more 

 convex than the average of similis. 



Male: Black. Palpi black, the third, fourth, and apex of second 

 segment of maxillary palpus whitish and fifth segment of maxillary 

 palpus dusky white; tegula black; front and middle femora and tibiae 

 fulvoferruginous, the femora fuscous basally, especially below; front 

 tarsus brownish fulvous, its fifth segment black, the basal 0.3 of its 

 first segment faintly darkened; middle tarsus white, its first segment 

 brown, darker above, its fifth segment black; hind femur infuscate, 

 ferruginous below and basally; hind tarsus white, the fifth segment 



5S9900 — 62 23 



