ICHNEUMON-FLIES OF AMERICA: 1. METOPIENAE 21 



2. Chorinaeus aequalis, new species 



Figure 178,c 



Front wing 3.7 to 5.0 mm. long; face about 0.85 as high as the mouth 

 is wide; median 0.6 of clypeal margin straight; mandible about 1.85 as 

 long as wide in male, about 2.1 as long as wide in female, its upper 

 tooth enlarged (especially in female) and outer face with rather coarse 

 punctures; flagellum with about 32 segments in male and about 29 

 segments in female; mctapleurum with rather sparse hairs on its upper 

 third; front spur of middle tibia almost exactly as long as the hind 

 spur; second segment of middle tarsus about 1.3 as long as wide in 

 male, about 1.25 as long as wide in female; second tergite with a 

 distinct longitudinal carina just mesad of its spiracle, in its basal half ; 

 sculpture of second tergite as sharp, irregular, longitudinal wrinkling 

 mixed with rather dense, coarse punctures; apex of penis with 7 to 15 

 setae on each side. 



Figure 6. — Localities for Cho- 

 rinaeus aequalis. 



Colored like Chorinaeus excessorius except that under side of scape 

 and pedicel have little or no yellow, mandible of female is brown, 

 and clypeal fovea of female is often narrowly surrounded with brown. 



Type: 9, Farmingdale, N. Y., July 15, 1938, H. and M. Townes 

 (Washington, USNM 63593). 



Paratypes: 39, same data as type (Townes). <?, Edmonton, Alta., 

 July 13, 1947, E. H. Strickland (Townes). 9, Holliston, Mass., 

 Sept. 17, N. Banks (Cambridge), tf, Babylon, N. Y., July 9, 1936, 

 Blanton and Borders (Townes). d\ Connecticut Hill at 2,095 ft., 

 Tompkins Co., N. Y., June 1936, H. Townes (Townes). 9, Cranberry 

 Lake, N. Y., July 5, 1917, C. J. Drake (New York). 29, Farmingdale, 

 N. Y., July 10 and 17, 1938, H. and M. Townes (Townes). 9, Crab- 

 tree Meadows at 3,600 ft. in Yancey Co., N. C, Aug. 25, 1950, H., 

 M., D.,and J. Townes (Townes). 9, Mount Pisgah N. C, June 21, 



