ICHlSrEUMON-FLIES — GELINAE : MESOSTENINI 113 



a white stripe below the sternaulus; metapleurum and propodeum 

 ferruginous; front and middle coxae white or fulvous, the front coxa 

 sometimes fuscous; front and middle trochanters white, fulvous, or 

 ferruginous, the first trochanters sometimes infuscate; front and middle 

 legs beyond the trochanters fulvous, their tarsi brown apically; hind 

 coxa, trochanters, and femur ferruginous, the apex of femur often 

 more or less infuscate; hind tibia ferruginous brown, ferruginous bas- 

 ally and below; hind tarsus white, the basal 0.4 i of first segment and 

 apical 0.5 ± of last segment brown; abdomen ferruginous, black be- 

 yond the sixth segment, the sixth tergite usually with some basal in- 

 fuscate areas. 



Female: Head black, the facial orbit, clypeus, and sometimes 

 frontal orbit and cheek, white; mandible white; palpi fuscous, often 

 partly white basally; antenna black, the flagellum with an incomplete 

 white band that covers about 4.5 segments; propleurum blackish, fer- 

 ruginous or whitish ventrally; pronotum black, its hind corner, broad 

 stripe along lower edge, and sometimes area around epomia, white; 

 mesoscutum varying from entirely black to ferruginous with fuscous 

 sutural marks; scutellum and postscutellum white, the surrounding 

 area black; tegula white; mesopleurum ferruginous; subtegular ridge 

 white, the area aroimd subtegular ridge, or at least that behind and 

 below, black; prepectus largely or mostly black; mesosternum and 

 metasternum ferruginous, more or less infuscate medially; metapleu- 

 rum and propodeum ferruginous; front and middle legs ferruginous, 

 their coxae and trochanters a little paler, femora and tibiae often a 

 little infuscate above, and their tarsi largely brown, darkest apically; 

 hind coxa, trochanters, and femur ferruginous, the apical 0.15± of 

 the femur infuscate; hind tibia ferruginous, infuscate apically; hind 

 tarsus white, the basal 0.4 ± of first segment and all of fifth segment 

 dark brown; abdomen ferruginous, its sixth to eighth tergites mostly 

 or entirely fuscous, the apical membranous margins of the sixth and 

 seventh tergites white. Sometimes the apex of the fifth tergite is 

 fuscous. 



Specimens: 6cf , reared from Phlyctaenia tertialis, Urbana, 111., Feb. 

 25 and 29, 1928, Mar. 21, 1928, and Dec. 22, 1927, W. V. Balduf 

 (Washington), cT", 9, Johnson Co., Kans., 1915, K,. H. Beamer (Law- 

 rence and Townes). cT, Minnedosa, Man., June 7, 1926, R. M. 

 White (Ottawa). 9, Ann Arbor, Mich., July 22, 1959, H. and M. 

 Townes (Ottawa). 9, Gladwin Co., Mich., July 22, 1958, R. R. 

 Dreisbach (Dreisbach). 9, Midland Co., Mich., June 16, 1939, R. R. 

 Dreisbach (Townes). cf, Naubinway, Mich., June 7, 1957, H. 

 Townes (Townes). 9, Glendive, Mont., C. N. Ainslie (Washington). 

 9, New Baltimore, N.Y., 1880 (New York). 9, Southern Pines, N.C., 

 Nov. 8, 1950, H. and A. Howden (Townes). cf, Cascapedia, Que., 



