ICHNEUMON-FLIES OF AMERICA: 1. METOPIESTAE 39 



pale yellow; front and middle trochanters and apex of front and middle 

 coxae usually yellowish; face often with median dorsal spot and 

 crescent next each antennal socket, brown; antenna brown, paler below, 

 the scape and pedicel sometimes yellowish beneath; tegula fulvous, 

 yellow at base; hind coxa black except sometimes at apex; hind femur 

 often brown to black; hind tarsus and often hind first trochanter 

 infuscate; front and middle coxae usually more or less infuscate 

 basally; front and middle femora and trochanters often more or less 

 brownish; legs fulvous except as described otherwise. Rarely the 

 hind coxa is entirely fulvous. 



Specimens (13 cf, 109) : From British Columbia (Robson) ; California 

 (near Sonora Pass at 8,000 ft.); Colorado; Maine (Lincoln Co., 

 Echo Lake and Great Pond on Mount Desert Isl.) ; Minnesota (Lake 

 Co.); New Brunswick (Tabusintac) ; New Hampshire (Randolph); 

 New York (Rock City in Cattaraugus Co.); Quebec (Kazubazua, 

 Knowlton, Laniel, and Wakefield); Vermont (Laurel Lake near 

 Jacksonville); and Washington. Collection dates are from June 26 

 to August 21, except that a male from Robson, B. C, and a male 

 without locality were taken on May 24. 



This species appears to be restricted to the Canadian zone. 



3. Trieces flavifrons (Asbmead) 



Figures 178,n; 180,c 



Chorinaeus flavifrons Ashmead, 1890, Proc. U. S. Nat. Mus., vol. 12, p. 444; 

 9 . Type: ? , Wisconsin (Washington). 



Front wing 4.3 to 5.1 mm. long; face about 1.3 as wide as high, 

 with rather small punctures that are separated by about 0.5 their 

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

 front tentorial arm making a long line dorsomesad from clypeal fovea; 

 eye of male without hairs, of female with very short sparse hairs; 

 flagellum with about 34 segments; metapleurum with a large area of 

 numerous hairs in its upper posterior part, occupying about a third of 

 its area, reaching ventrally to the submetapleural carina, and tapered 

 out anterodorsally; anterodorsal corner of metapleurum with a group 

 of about fourteen hairs; striae of metapleurum fine, rather weak, 

 confined to the hind half of metapleurum; propodeal spiracle elongate, 

 briefly separated from pleural carina; front spur of middle tibia 

 about 0.58 as long as hind spur; second segment of middle tarsus about 

 2.2 as long as wide in male, about 1.7 as long as wide in female; 

 second abdominal tergite about 0.82 as long as wide in male, about 

 0.78 as long as wide in female, its punctures rather strong, coarse, 

 and close, with a slight tendency to form longitudinal rows; sublateral 

 longitudinal carina on third tergite weak, extending about 0.3 the 

 length of the tergite. 



451582—59 4 



