464 



U. S. NATIONAL MUSEUM BULLETIN 216 



Female: Black. Mandible partly dull ferruginous; palpi brown 

 to blackish; tegula reddish brown to blackish; legs beyond first 

 trochanters fulvoferruginous, the last segment of tarsi infuscate; 

 second trochanters sometimes partly infuscate; abdomen fulvofer- 

 ruginous, its first tergite usually infuscate basally; wings moderately 

 infuscate. 



A female from Swift Current, Glacier National Park, Mont., 

 collected July 23, 1936, by A. L. Melander (Cambridge) is intermediate 

 to the subspecies fergusoni. Females from other locations in Glacier 

 National Park seem typical of the subspecies abdominale. 



Specimens (13 d", 279): From Arizona (Flagstaff and San Francisco 

 Mts. at 11,500 ft.); Colorado (Brainerd Lake near Ward, near Estes 

 Park, Granite Peaks Camp near Bayfield at 9,000 ft., Longs Peak 

 at 9,000 ft., Phantom Valley in Rocky Mountain National Park at 

 9,400 ft., and Ward at 10,000 ft.); Idaho (Moscow Mt.); Montana 

 (Avalanche Lake, Grinnell Lake, and Swift Current, all in Glacier 

 National Park); Utah (Uintah Co.); and Wyoming (Centennial at 

 10,000 ft. and Medicine Bow Range). 



Dates of capture are from mid-June to late August (June 12 near 

 Estes Park, Colo., and June 14 on Longs Peak, Colo., to August 29 

 in the Medicine Bow Range, Wyo.). 



This subspecies occurs at higher altitudes in the Rocky Mountains, 

 from Idaho and Montana to Arizona. 



9b. Odontocolon abdominale fergusoni, new subspecies 



Male : Similar to the male of the subspecies abdominale except that 

 front and middle femora are never infuscate and that coxae often 

 have more fulvous, the hind coxa sometimes being fulvous with only 

 its base infuscate. 



Figures 208-210. — Localities: 208 (left), Odontocolon abdominale abdominale; 

 209 (center), O. a. fergusoni; 210 (right), O. punctatum. 



