ICHNEUMON-FLIES OF AMERICA: 1. METOPIINAE 209 



paler basally; sides and apical margin of abdominal tergites sometimes 

 tinged with fulvous. 



This is a northern form with the darker coloration that usually goes 

 with the more northern distribution. Specimens tending to be 

 intermediate are common, though only one (a male from Takoma 

 Park, Md.) is at hand which cannot be assigned definitely to this 

 subspecies or to the typical subspecies. 



Type: cf, beaten from Abies, "Lowelltown," Maine, June 5, 1945, 

 F. Manning (Washington, USNM 63655). 



Paratypes: 9, Aweme, Man., July 10, 1922, R. M. White (Ottawa). 

 9, Jacquet River, N. B., July 7, 1940, G. S. Walley (Ottawa). 9, June 

 1, 1895, Quebec (Ottawa). 2d 1 , 19, no data (Ottawa). 



This subspecies occurs in the Canadian zone of the East. 



19b. Exochus atriceps atriceps Walsh 



Exochus atriceps Walsh, 1873, Trans. Acad. Sci. St. Louis, vol. 3, p. 95; d\ Type: 



cf, ?Illinois (destroyed in Chicago fire of 1871). 

 Exochus rufomaculatus Provancher, 1886, Additions et corrections au volume n 



de la faune entomologique du Canada traitent des hymenopteres, p. 113; 9 • 



Type: 9, Ottawa, Ont. (Ottawa). 



Fulvous. Face, side of frons (usually broadly and continuous to 

 top of eye) , large triangular area at top of eye (continuous with mark 

 at side of frons and curving a little around hind ocellus), cheek, lower 

 part of temple (continued dorsally along hind margin of eye), clypeus, 

 mouth parts, broad upper margin of pronotum, tegula, subtegular 

 ridge, much or all of lateral part of prepectus, often tinges on sides 

 and apex of scutellum and on postscutellum, ivory; head blackish ex- 

 cept as described otherwise; antenna blackish brown, the under side 

 of scape ivory; thorax usually with a little to extensive blackish areas 

 in front, on margins of mesoscutum, near wing bases, and beneath; 

 front and middle coxae whitish, fulvous basally; hind coxa fulvous, 

 whitish apically beneath; front and middle trochanters whitish, tinged 

 with fulvous above; femora fulvous, the front and middle femora 

 whitish apically and the hind femur usually a little infuscate at apex 

 (front femur sometimes whitish in front and brownish behind) ; tibiae 

 fulvous, whitish on their basal 0.2 and the front tibia whitish in front; 

 tarsi fulvous, the hind tarsus paler basally and elsewhere tinged with 

 brown ; abdomen often infuscate at base and apex. 



The type of E. rufomaculatus is somewhat intermediate to the sub- 

 species E. a. atricorpus. 



Specimens (55 d\ 399): From Connecticut (Lebanon); Florida (2 

 miles west of Archer) ; Kansas (Lawrence) ; Maryland (Cabin John 

 and Takoma Park) ; New Jersey (Moorestown) ; New York (between 

 Ellis Hollow and Slaterville, Farmingdale, Flatbush, and Pough- 



