442 



U. S. NATIONAL MUSEUM BULLETIN 216 



uniformly convex and almost completely covered with rather regular 

 longitudinal striae; second tergite almost completely covered with 

 close striae, which are longitudinal basally and more or less curved or 

 oblique apically; third and fourth tergites completely covered with 

 very fine but sharp transverse striae; fifth and following segments 

 with progressively finer and failing transverse striae; ovipositor 

 sheath about 1.4 as long as front wing. 



Black. Palpi, tcgula, and legs fulvous; abdomen ferruginous, 

 blackish beyond third segment and usually the first three segments 

 partly infuscate; ovipositor sheath light brown, darker apically; 

 wings subhyaline. 



Specimens: cf, Ames, Iowa, June 28, 1951, W. S. Craig (Washing- 

 ton). 29, Baldwin, Kans., May 15, J. C. Bridwell (Washington). 

 9, Onaga, Kans., Crevecoeur (Washington). 9, Kentucky (Cam- 

 bridge;. 9, Brooksville, Maine, August, F. A. Eddy (Cambridge). 

 9 (type of foutsi), Cabin John, Md., R. M. Fouts (Washington). 

 6o\ Cabin John, Md., May 26, 1943, Raul Cortez and H. Townes 

 (Townes). tf, Glen Echo, Md., R. M. Fouts (Washington). 3d\ 

 Takoma Park, Md., July 4, 1942, and July 9, 1944, H. and M. Townes 

 (Townes). 9, Petersham, Mass., 1934 (Townes). cf, Elizabeth- 

 town, N. C, Apr. 20, 1950, H. and M. Townes (Townes). &, Wake 

 Co., N. C, July 1, 1951, H. and M. Townes (Townes). 9, Cleveland, 

 Ohio, F. D. DeGant (Washington). 9, Cleveland, Ohio, July 28, 1934, 

 F. Becker (Columbus), cf, 9, Delaware Co., Ohio, June 21 and 

 August 18, D. J. and J. N. Knull (Columbus). d% 9, Fairfield Co., 

 Ohio, July 19, D. J. and J. N. Knull (Columbus). 9, Allegheny Co., 

 Pa. (Pittsburgh), cf, Pittsburgh, Pa., September 8 to 14 (Pitts- 

 burgh). 9 (type of decorus), Fort Coulonge, Que., July 8, 1917, 



Figures 195, 196. — Localities; 195 (left), Aplomerus lineatulus; 19G (right), A. 



robustus. 



