ICHNEUMON-FLIES — GELINAE : MESOSTENINI 



347 



Figures 185-187. — Localities: 185 (left), Trychosis nigripes; 186 (center), T. coxalis; 187 



(right), T. apicalis. 



Paratypes (20 cf, 99 ) : From Alabama (Killen) ; District of Colmnbia 

 (Washington); Maryland (Glen Echo and Takoma Park); Michigan 

 (Gull Lake Biological Station in Kalamazoo Co. and Muskegon Co.); 

 New Jersey (Moorestown and Ramsey) ; New York (Armonk, Farm- 

 ingdale, and Ithaca); North Carolina (New River); Ohio (Delaware 

 Co. and Hocldng Co.); Pennsylvania (Westmoreland Co.); Rhode 

 Island (Buttonwoods) ; South Carolina (McClellanville) ; Virginia 

 (Dead Run); and West Virginia (Cheat Mt. and Lost River State 

 Park in Hardy Co.). 



Most collection dates are in June. Those earlier or later than 

 June are as follows : x'^.pril 13 at Killen, Ala.; May 15 at McClellanville, 

 S.C; "April and May" at New River, N.C.; July 2 at Farmingdale, 

 N.Y.; July 8 in Lost River State Park, Hardy Co., W. Va.; July 30 in 

 Muskegon Co., Mich.; and "July" in Westmoreland Co., Pa. 



This species occurs in the Carolinian and Austroriparian faunas. 



5. Trychosis apicalis, new species 



Figure 386 



Front wing 3.2 to 5.2 mm. long; clypeus rather narrow, rather 

 strongly convex, its apical margin moderately arcuate; temple weakly 

 convex; cheek of moderate length, its punctures rather coarse and 

 sharp, separated by about 0.7 their diameter, near mandible usually 

 with a few weak horizontal wrinkles; occipital carina strong and 

 sharp but not elevated as a lamella ; second flagellar segment of male 

 about 2.25 as long as wide, of female about 3.6 as long as wide; thorax 

 of moderate length; notaulus rather prominent, extending about 0.3 

 the length of mesoscutum; punctures on mesopleurum coarse, sep- 

 arated by about 0.6 their diameter; propodeum of moderate length, in 



