ICHNEUMON-FLIES — GELINAE : MESOSTENINI 



495 



Figures 280, 281.— Localities: 280 (left), Echthrus niger emaculatus; 281 (right), E. n. niger. 



brown; ground color of legs dark brown or blackish, the apex of front 

 and middle femora, and extreme base of their tibiae usually stra- 

 mineous; front tibia brown with a poorly defined, broad whitish stripe 

 on front and back sides; hind tibia and tarsus blackish; wings sub- 

 hyaline. 



Type: 9, Montreal, Que., June 14, 1932, J. I. Beauhie (Washmgton, 

 USNM 63834). 



Paratypes: 9, on dead TJlmus, Augusta, Maine, June 23, 1947, A. E. 

 Brower (To\vnes). 9, Negaunee, Marquette Co., Mich., June 15, 

 1957, R. W. Hodges (East Lansing), d^, Belleville, Ont., June 1940, 

 M. Thompson (Ottawa). 9, Golden Lake, Ont., June 9, 1952, G. S. 

 Walley (Ottawa), d", Sudbury, Ont., 1891 (Ottawa). 9, Thunder 

 Bay Beach, Ont., July 28, 1941, H. S. Parish (Townes). 29, Montreal, 

 Que. (Ithaca and Townes). 9, Rigaud, Que., May 24, 1902 (Ithaca). 

 9, Madison, Wis., May (Madison). 9, Shell Lake, Wis., May 30, 

 1935 (Madison). 29, no data (Washington and Dreisbach), 



This subspecies ranges from Maine to Wisconsin. 



2c. Echthrus niger niger Cresson 



Echthrus niger Cresson, 1868, Canadian Ent., vol. 1, p. 37; j9. Type: 9, Ottawa, 



Ont. (Philadelphia). 

 Biology: Harrington, 1893, Canadian Ent., vol. 25, p. 32. 



Male: Black. Facial orbit (at least below), usually connecting 

 area on cheek, usually clypeus, labrum, front of scape, tegula, usually 

 subtegular ridge, apex of front and middle femora, front and middle 

 tibiae except beneath and sometimes at apex, and sometimes base of 

 front and middle basitarsi, white; wings hyaline. 



Female: Black. Labrum, band on flagellum covering 3.7 segments, 

 tegula, often subtegular ridge, front tibia (except for brown base, apex, 



