248 



U. S. NATIONAL MUSEUM BULLETIN 216 



(St. Paul), cf , Traverse Co., Minn., O. W. Oestlund (St. Paul). &, 

 29, reared from leaf roller on sumac (Rhus), Ottawa Co., Ohio, col- 

 lected July 27, 1943, emerged Aug. 19 and 30, 1943, Neal and Gielow 

 (Washington). 9, Ohio, C. H. Kennedy (Washington), cf 1 , Normandale, 

 Ont., June 26, 1939, G. S. Walley (Ottawa). cf, Point Pelee, Ont., 

 May 31, 1929, G. S. Walley (Ottawa), cf , Lac Mercier, Que., Aug. 

 16, 1937, G. S. Walley (Ottawa). 9 (type), reared from Meroptera 

 pravella on sumac (Rhus), Levis, Que., T. W. Fyles (Washington). cf , 

 Westerly, R. I., Aug. 28, 1951, H. and M. Townes (Townes). 9, 

 Asotin Co., Wash., June 24, 1932, J. M. Aldrich (Washington). 9, 

 Juneau Co., Wis., Sept. 2, 1949, W. McNeal (Madison). There are 

 also two females from Put-in-Bay, Ohio, which are intermediate to the 

 subspecies dorsalis. These are as follows: 9, June 30, 1922 (Townes), 

 9, July 24, 1927, K. C. Osburn (Townes). 



This subspecies is transcontinental, mostly in the Transition zone. 



42b. Exochus dorsalis dorsalis Cresson 



Figure 195, e 



Exochus dorsalis Cresson, 1864, Proc. Ent. Soc. Philadelphia, vol. 3, p. 286; " cf" = 

 9. Type: 9 , New Jersey (Philadelphia) . 



Front wing 3.8 to 5.6 mm. long; thorax strongly depressed; lower 

 part of combined face and clypeus of female discally flat or weakly 

 concave; hind femur about 1.95 (1.89 to 2.00) as long as wide in male, 

 about 1.65 (1.60 to 1.66) as long as wide in female; front spur of hind 

 tibia about 2.2 as long as wide in male, about 2.0 as long as wide in 

 female. 



Pronotum discally and mesoscutum always fulvous. 



Specimens (29 cf, 289): From Alabama (Coleta and Pyriton); 

 Maryland (Bowie and Takoma Park); New Jersey (Moorestown) ; 



Figures 147, 148. — Localities, subspecies of Exochus dorsalis: 147 (kh),fyUsi; 148 (right), 



dorsalis. 



