ICHNEUMON-FLIES OF AMERICA: 1. METOPIENTAE 51 



with about 31 segments, of female with about 21 segments; front 

 spur of middle tibia about 0.50 as long as hind spur; second segment 

 of middle tarsus about 2.0 as long as wide in male, about 1.5 as long 

 as wide in female; metapleurum without hairs, with an area of close 

 sharp wrinkles occupying the central part of its lower 0.4. 



Black. Face, lower lateral corner of frons to just below center 

 of eye emargination, front part of cheek, clypeus, and mouthparts, 

 pale yellow in male, stramineous in female; flagellum blackish brown, 

 tinged with reddish brown beneath; tegula fulvous brown with a 

 basal pale yellow spot; legs light fulvous, the front and middle coxae 

 apically, front and middle trochanters, apex of front and middle 

 femora, base of front and middle tibiae, and the front and middle 

 tarsi, stramineous; hind coxa blackish, fulvous apically; hind tro- 

 chanters fulvous; hind femur reddish brown to blackish brown, the 

 extreme apex and the basal 0.12 to 0.6 fulvous brown; hind tibia 

 whitish on its basal 0.2, the rest light fulvous brown, infuscate dor- 

 sally; hind tarsus infuscate brown. 



Type: 9, Elizabethtown, N. C, April 25, H. Townes (Washington, 

 USNM 6360G). 



Paratypes: 30 cf, 49 from Connecticut (Sterling and Voluntown); 

 Minnesota (Washington Co.); Massachusetts (Auburndale and Hol- 

 liston); New York (Ithaca, Rock City in Cattaraugus Co., and West 

 Danby) : North Carolina (Mount Pisgah at 4,800 to 5,300 ft.) ; Ohio 

 (Summit Co.) ; Pennsylvania (Spring Brook) ; Rhode Island (Kings- 

 ton) ; South Carolina (McClellanville) ; and Vermont (Manchester and 

 Mount Equinox). There are 10 collection dates from June 3 to 26 in 

 various localities, other dates are: April 25 at Elizabethtown, N. C; 

 May 12 and 14 at McClellanville, S. C; May 25 at Ithaca, N. Y.; 

 May 30 at West Danby, N. Y.; August 8 at Sterling, Conn.; Aug. 11 

 at Kingston, R. I. ; and August 25 at Spring Brook, Pa. 



This species occurs from the Canadian to the Lower Austral zone 

 in eastern North America. There seems to be a late spring brood of 

 adults that lasts through June, and a second brood that occurs in 

 August. 



15. Trieces marlatti (Ashmead) 



Figure 181, g 



Chorinaeus marlatti Ashmead, 1896, Trans. Amer. Ent. Soc, vol. 23, p. 200; 9 . 

 Type: ?, Riley Co., Kans. (Washington). 



Front wing 3.1 to 3.3 mm. long; face about 1.05 as wide as high, 

 with small sharp punctures, their interspaces about 0.5 their diam- 

 eter; face and clypeus in profile moderately convex; attachment of 

 front tentorial arm visible as a dark area surrounding clypeal fovea 

 and with a linear appendage extending dorsomesad; eye with rather 



