182 



U. S. NATIONAL MUSEUM BULLETIN 216 



The type of atrocoxalis, from "Dakota Territory," is intermediate 

 to the western subspecies orias. It seems, however, a little closer to 

 the typical eastern subspecies than to the western one. 



Specimens: cf , Aweme, Man., June 9, 1935, R. D. Bird (Ottawa). 

 9, Wexford Co., Mich., July 20, 1957, R. and K. Dreisbach (Dreis- 

 bach). 16 cf, 19, Tabusintac, N. B., July 21, 1939, J. McDunnough 

 (Ottawa). d\ Englewood, N. J., June 30, 1938, E. M. Greenspan 

 (Townes). d\ Kings Co., N. S., June 18, 1931, C. E. Atwood (Ot- 

 tawa). 11 c", 39, Petite Riviere, Que., J. McDunnough (Ottawa). 

 cT, reared from tortricid on Kalrnia, Petite Riviere, Que., J. McDun- 

 nough (Ottawa). 3d", 29, Godbout, Que., July 25 and 30, 1918, E. M. 

 Walker (Washington). 9, Wright, Que., June 11, 1935, G. S. Walley 

 (Ottawa), cf, Westerly, R. I., June 23, 1935, M. Chapman (Townes). 

 9 (lectotype), "Dakota" (Philadelphia). 29, Texas, G. W. Bel- 

 frage (Washington). 9, Cheat Mt., W. Va., June (Pittsburg). 



This subspecies occurs in the Alleghenian fauna. Adults have been 

 collected in June and July. 



2b. Exochus mitratus orias, new subspecies 



Figures 188,b; 189,a; 191,b 

 Black. Interantennal process, upper lateral corner of face, some- 

 times entire upper margin of face, and small spot at top of eye, 

 whitish ; pronotum entirely black or sometimes a narrow border along 

 the upper hind edge of its hind corner whitish; sub tegular ridge some- 

 times narrowly whitish; front 0.3 and sometimes small hind corner 

 of tegula whitish, the rest brown; side margin of scutellum sometimes 

 whitish; coxae black; first trochanters black or infuscate; legs fulvous 

 except as described otherwise, the basal 0.2 of tibiae sometimes 

 faintly paler; wings subhyaline. 



Figures 106, 107. — Localities, subspecies of Exochus mitratus: 106 (left), atrocoxalis; 107 



(right), orias. 



