556 U. S. NATIONAL MUSEUM BULLETIN 216 



scribed otherwise; hind trochanters fulvous, yellow below ; hind femur 

 fulvous, sometimes a little infuscate apically; hind tibia infuscate, 

 fulvous basally; first segment of hind tarsus brownish fulvous, yellow 

 on apical 0.1 ±; second through fifth abdominal segments largely 

 reddish brown; wings lightly tinged with brown. 



Female: Black. Apical half of clypeus ferruginous; tegula ferrugi- 

 nous to blackish; palpi and legs fulvous, the hind tibia brownish, 

 darker apically ; abdomen sometimes partly dark reddish brown ; wings 

 lightly tinged with brown. 



Specimens (22 cf, 269): From British Columbia (Cultus Lake, 

 Garibaldi Park near Haney, Ground Hog Basin in the Selkirk Mts. in 

 Big Bend Co., Likely, Manning Provincial Park at 4,000 ft., Nanaimo 

 Lakes on Vancouver Island, Robson, Stanley, Steelhead, Victoria, and 

 Wellington); California (Carlotta); Oregon (Blue Mts., "Boyer," Cas- 

 cadia, Corvallis, Griffin Creek in Jackson Co., Mary's Peak, Pamelia 

 Lake on Mount Jefferson, and trail from Breitenbush Springs to Lake 

 Leone at 2,222 to 3,900 ft.) ; and Washington (Ashford, Mount Rainier 

 at 2,700, 2,900, and 4,700 ft., Orcas Island, Paradise Park on Mount 

 Rainier, and San Juan Island). 



Collection dates are rather evenly distributed from May 18 to 

 August 19. 



This subspecies occurs from British Columbia to northern California, 

 in the Transition and Canadian zones. It is adult from late May to 

 mid-August. It seems to be in somewhat drier locations than the 

 otherwise sympatric C. occidentalis occidentalis. 



6b. Coleocentrus manni coloradensis, new subspecies 



Male: Similar to that of the male of C. manni manni except that 

 the mandible is ferruginous, coxae fulvous with the front and middle 

 coxae yellow apically in front, hind femur definitely infuscate apically, 

 and abdomen with only limited reddish brown areas, these on the sides 

 of the second through fourth tergites. 



Female: Unknown. 



Type: cf, near Estes Park, Colorado, June 12, 1948, H., M., G., 

 D., and J. Townes (Washington, USNM 63739). 



Para type : cf , same data as type (Townes) . 



7. Coleocentrus rufus Provancher 



Figures 331,i; 377 



Coleocentrus rufus Provancher, 1876, Naturaliste Canadien, vol. 8, p. 316; 



?. Type: 9, Cap Rouge, Que. (Quebec). 



Coleocentrus similis Cushman, 1920, Proc. U. S. Nat. Mus., vol. 57, p. 514; c? , 



9 . Type: 9, Montgomery Co., Pa. (Washington). 



Front wing of male 9 to 10.5 mm. long, of female 12 to 14 mm. 

 long; hairs on face very sparse medially, elsewhere moderately dense; 



