ICHNEUMON-FLIES — GELINAE : MESOSTENINI 339 



incomplete white band; range: transcontinental in southern Canada, in 

 the United States ranging west to about the hundredth meridian. 



la. montivaga montivaga (Provaneher) 



Apex of abdomen ferruginous; middle basitarsus of male white, its basal 



0.4 ± brownish; fiagellum of female entirely blackish; range: New Mexico. 



lb. montivaga aiistrina, new subspecies 



la. Trychosis monlivaga montivaga (Provaneher) 



Cryptus montivagus Provaneher, 1877, Naturaliste Canadien, vol. 9, p. 12; ?. 



Type: ?, Quebec (Quebec). 

 Phygadeuon fusiformis Provaneher, 188C, Additions et corrections au volume ii 



de la faune entomologique du Canada traitant des hymenoptSres, p. 51; ?. 



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



Male: Black. Segments 3 and 4 of maxillary palpus white, the 

 fifth segment vv^hitish or pale brown and the second segment part white 

 and part fuscous; apex of segment 2 of labial palpus usually white or 

 light brown; segments 3 and 4 of labial palpus light to dark brown, 

 rarely white; front and middle femora and tibiae fulvous, the femora 

 infuscate ventrally; hind femur black or mostly fuscous, its base and 

 often the apex narrowly more or less ferruginous; apical half of second 

 hind trochanter more or less ferruginous ; hind tibia dusky ferruginous 

 or dusky fulvous, blackish apically, its extreme apex sometunes paler; 

 front and middle tarsi whitish, then* basitarsi often tinged with 

 fulvous at base and their fifth segments light brown; hmd tarsus 

 white, the basal 0.2 ± of its first segment often more or less fulvous or 

 light brown, the apical 0.6 ± of its fifth segment brown; wuigs sub- 

 hyaline; abdomen ferruginous, the base of its fu'st segment often more 

 or less infuscate, its fifth and following segments black, the basal part 

 of the fifth segment usually ferruginous. 



Female : Black. Palpi blackish, the last three segments of maxillary 

 palpus brown; fiagellum dark brown, the basal segments medium 

 brown below, with a white, incomplete band that covers about six 

 segments; front femur brown, blackish below; middle femur blackish, 

 brown above; front and middle tibiae and tarsi rather light brown; 

 apex of hind second trochanter, narrow base of hind femur, and often 

 narrow apex of hind femur dull ferruginous ; hind tibia brown basally , 

 shading to black apically; hind tarsus dark brown, its median three 

 segments paler brown or more or less whitish; wings subhyalme; 

 abdomen ferruginous, its first segment usually infuscate at base; ter- 

 gites 5 and foUowing blackish, the fifth tergite often ferrugmous 

 basally and rarely the black at apex of abdomen less extensive or 

 absent. 



Variation: Specimens from New England often have the black on 

 apex of abdomen reduced, or rarely absent. Females from New Eng- 

 land often have the white band on fiagellum reduced. Males of Michi- 

 gan, British Columbia, and the area between often have the hind 



