ICHNEUMON-FLIES — GELINAE : MESOSTENINI 497 



2. Tibiae yellow 3 



Tibiae fulvous to fuscous 4 



3. Wings weakly tinged with brown; basal 3 segments of flagellum yellowish 



brown to dark brown, usually part yellowish brown and part dark brown; 



range: ]Maine, Quebec, and Ontario . 3e. adillae tibialis, new subspecies 



Wings medium brown; basal 3 segments of flagellum yellowish brown; range: 



New York to Virginia 3f. adillae brunneus, new subspecies 



4. Abdomen beyond second segment ferruginous; range: Cascade Mountains 



and vicinity 3b. adillae semiruber, new subspecies 



Abdomen beyond second segment black, rarely partly black and partly fer- 

 ruginous 5 



5. Femora fulvous; range: Labrador to British Columbia and Colorado. 



3a. adillae nigriventris, new subspecies 



Femora dark brown to black; range: Coastal British Columbia, Washington, 



and Oregon 3c. adillae adillae Davis 



3a. Ecbthriis adi'lac nigriventris, new subspecies 



Black. Front of scape of male sometimes yellow or fulvous; man- 

 dible with a ferruginous tinge; labrum stramineous; palpi fulvous; 

 female flagellum with a white band that covers about 3.5 segments; 

 tegula blackish; coxae black; trochanters fulvous and fuscous; legs 

 beyond trochanters fulvous, the apex of hind basitarsus, segments 

 2-4 of hind tarsus, and sides of inflated portion of female front tibia, 

 yellowish fulvous; wangs subhyaline, with a weak infuscation. Some- 

 times the femora, especially the hind femur, are partly infuscate. In 

 one female from "Colorado," the apical 0.3 of the second tergite and 

 apical 0.65 ± of the third and following tergites is ferruginous. In 

 all others it is entirely black. 



Type: 9, Calgary, Alta., June 10, 1922, G. Salt rWashington, 

 USNM 63835). 



Paratypes (7cf, 189): From Alaska (Rampart) ; Alberta (Waterton 

 [Park]); British Columbia (Athn, Chilcotin, Clinton, Creston, Robson, 

 and Vavenby); Colorado (Wilhams Canon); Idaho (Moscow Mt., and 

 Wallace at 3,000 ft.); Labrador (Goose Bay); Manitoba (Fort 

 Churchill); and Montana (Belton, Madison River in Gallatin Na- 

 tional Forest, and Missoula). 



Dates of collection are mostly from May 25 to July 22. Those 

 outside of this range are: April 26 at Robson, B.C.; May 3 at Belton, 

 Mont.; May 14 at Creston, B.C.; July 27 at Wallace, Idaho; and 

 August 25 at Wallace, Idaho. 



There is one reared specimen : cf , from Paranthrene robiniae form 

 perlucida in Pinus ponderosa, Missoula, Mont., July 4, 1916, J. Brunner. 



This subspecies occurs mostly in the northern part of the Rocky 

 Mountains but ranges from Colorado to Alaska and eastward to 

 Labrador. 



