ICHNEUMON-FLIES OF AMERICA I 1. METOPIENAE 257 



Male: Black. Face, lower half of frontal orbit, large triangular spot 

 at top of eye, cheek, adjacent temple, clypeus, mouth parts, scape in 

 front, propleurum except sometimes above, upper margin of pro- 

 notum (very widely behind, tapering forward and ending near notaulus 

 or in front of epomia), tegula, and subtegular ridge, pale yellow; 

 flagellum brown below, blackish brown above; pronotum mostly ful- 

 vous, pale yellow above and with some yellowish tinges elsewhere, 

 black anterodorsally; mesosternum, mesopleurum largely or entirely 

 except under subtegular ridge and sometimes above its coxa, meta- 

 pleurum largely or entirely, and usually more or less of metasternum, 

 pale yellow, fulvous in various proportions; scutellum sometimes ful- 

 vous, more or less yellow at apex; postscutellum usually yellow; 

 propodeum sometimes yellowish or fulvous laterally and apically; 

 front and middle legs pale yellow, the basal 0.7 of their femora (es- 

 pecially behind) and apical 0.5 of their tibiae pale fulvous; hind coxa 

 fulvous, partly yellowish apically; hind trochanters pale fulvous; hind 

 femur fulvous, the apex often more or less pale yellowish above; hind 

 tibia pale yellow, brown or brownish fulvous apically, the apical dark 

 marks occupying about 0.25 its length dorsally, extending about 0.65 

 its length and becoming paler on the lateral and ventral sides; hind 

 tarsus whitish, the apex of the first through fourth segments and the 

 fifth segment except at its base, stramineous to light brown; tergites 

 entirely black or the basal four or five tergites more or less extensively 

 stramineous on their lateroapical corners and less frequently and 

 more narrowly stramineous along their lateral and apical edges. 



Female: Black. Face, lower 0.4 ± of frontal orbit, large triangular 

 spot at top of eye, cheek, adjacent temple, clypeus, mouth parts, 

 scape in front, large hind corner of pronotum, tegula, subtegular 

 ridge, often narrow apex of scutellum, and often narrow line on post- 

 scutellum, pale } r ellow; flagellum blackish brown above, brown below; 

 scutellum often more or less fulvous; pleura fulvous next to each coxal 

 attachment; front and middle coxae fulvous, pale yellowish apically; 

 front and middle trochanters and femora fulvous, the apical 0.3 ± of 

 the femora pale yellowish; front and middle tibiae and tarsi pale yel- 

 lowish, the tarsi and apical 0.5 ± of the tibiae tinged with fulvous; 

 hind coxa, trochanters, and femur fulvous; hind tibia pale yellowish, 

 its apical 0.33 ± brownish fulvous, laterally and ventrally the darker 

 apical coloration extending basad to near basal 0.3 of tibia and fading 

 to pale fulvous; hind tarsus whitish, the apex of first through fourth 

 segments and fifth segment except basally, stramineous. Sometimes 

 the face has poorly defined brownish lines and/or spots. 



Specimens (47 cf, 269): From Arizona (near Alpine); Colorado 

 (Florissant, Indian Meadows on the La Poudre River, and Rocky 

 Ford) ; Connecticut (East River) ; Illinois (Decatur) ; Kansas (Onaga) ; 



