ICHNEUMON-FLIES OF AMERICA: 1. METOPIINAE 43 



Black. Face, lower lateral corner of frons, cheek, clypeus, and 

 mouth parts light yellow; antenna blackish brown, brown below; 

 tegula fulvous, basally pale yellow; apex of front and middle coxae, 

 trochanters, apex of femora, and basal 0.2 of tibiae, pale yellow; hind 

 coxa black, apically fulvous and its extreme apex pale yellow; apex 

 of segments of hind tarsus light brown; legs fulvous except as de- 

 scribed otherwise. 



Type: c?, Kent Co., Mich., July 11, 1951, R. R. Dreisbach 

 (Dreisbach). 



Paratype: 9, Midland Co., Mich., Aug. 5, 1951, R. R. Dreisbach 

 (Dreisbach). 



7. Trieces sapineus, new species 



Front wing 2.9 to 3.5 mm. long; face about 1.25 as wide as high, its 

 punctures of moderate size, separated by about 0.3 their diameter; 

 face and clypeus in profile moderately convex; attachment of front 

 tentorial arm making a wedge-shaped dark area around clypeal fovea; 

 eye apparently without hairs; flagellum with 25 segments in male, 

 with about 23 segments in female; metapleurum with about 14 hairs 

 arranged in an elongate triangle along its upper hind margin, the 

 hairy area variable in size and in number of hairs; striae of metaple- 

 urum rather fine but sharp, occupying about the posteroventral 0.3 

 of metapleurum; propodeal spiracle subcircular, its rim confluent 

 with pleural carina; front spur of middle tibia about 0.25 to 0.40 as 

 long as hind spur; second segment of middle tarsus about 2.0 as long 

 as wide in male, about 1.4 as long as wide in female; second abdominal 

 tergite about 0.84 as long as wide in male, about 0.77 as long as wide 

 in female, its punctures rather coarse, subadjacent; sublateral longi- 

 tudinal carina of third tergite sharp on basal 0.35 of tergite. 



There is an eastern and a western subspecies, separable on color as 

 indicated in the key. 



1. Hind femur fulvous, with a subapical infuscation above; range: Canadian zone 

 east of the 100th meridian .... 7a. sapineus sapineus, new subspecies 

 Hind femur blackish; range: Alaska to Colorado and California. 



7b. sapineus litus, new subspecies 



7a. Trieces sapineus sapineus, new subspecies 



Figures 179,b; 180,g 



Black. Face, clypeus, cheek, lower lateral corner of frons, mouth- 

 parts, apex of femora, and basal 0.2 of tibiae, pale yellow; antenna 

 reddish brown below; tegula fulvous, yellow at base; hind coxa black, 

 fulvous apically; hind femur somewhat infuscate subapically above; 

 hind tibia and tarsi often weakly infuscate except toward base; legs 

 fulvous except as described otherwise. 



