56 U. S. NATIONAL MUSEUM BULLETIN 216 paet 3 



rarely fulvous, the hind tibia a little darkened and its basal 0.2 ± 

 often a little paler; abdomen ferruginous, rarely fulvous, the fourth 

 and following tergites black, or in specimens with the thorax fer- 

 ruginous or fulvous, these segments also partly or entirely ferruginous 

 or fulvous; seventh tergite with a median apical white area. 



Specimens from British Columbia and Alberta, among them the 

 type specimen, are often intermediate to the subspecies similaris. 

 Male specimens from Colorado tend to be intermediate to the sub- 

 species iridescens, and a male from Morley, Colo., is quite intermediate. 



Specimens (107 cf, 399): From Alberta (Banff, Bilby, Drum- 

 heller, Edmonton, and Fort Chipewyan on Athabasca Delta); British 

 Columbia (Chilkat Pass at Mile 42 on Alaska Border at 900 ft., Fort 

 Nelson, Glenemma on Salmon River, Keremeos, Lizard Creek near 

 Fernie, Oliver, Phoenix, Robson, Sicamous, Sumas Prairie, and 

 Victoria); Cahfornia (Crane Flat in Yosemite Park, Crescent City, 

 Dardanelle, Fish Camp, near Glacier Point in Yosemite Park, Glen- 

 dale, Lake Pilarcitos in San Mateo Co., Leevming, Mill Valley, 

 Mirror Lake at 4,096 ft., near Sonora Pass at 8,000 ft., Tallac Lake 

 near Tahoe, and Tamarack Flat in Yosemite Park) ; Colorado (Elbert, 

 near Estes Park, Morley, Phantom Valley in Rocky Mountain Na- 

 tional Park at 9,400 ft., and Steamboat Springs); Idaho (Moscow 

 Mt.); Nevada (Sparks); New Mexico (Cimarron at 6,800 ft., Jemez 

 Springs, and Tajique); Oregon (Cannon Beach, Cornehus, Forest 

 Grove, Hillsboro, McMinnville, Portland, Seaside, Sweet Home, 

 Timberline Lodge on Mount Hood at 6,000 to 9,500 ft.. Trout Creek 

 Camp south of Santiam Pass in Linn Co., Warren ton, and Wild Horse 

 Mt. at Athena) ; Utah (20 miles east of Salina) ; Washington (Ashford, 

 Barnes State Park, Chuckanut Drive ji mile south of Skagit Co. 

 Une, Easton, Gulf Road in Whatcom Co., Hoquiam, Marietta, Pull- 

 man, S.C.S. Nursery in Bellingham, Tacoma, Valleyford, Wawawai, 

 and Westport) ; and Wyoming (Mammoth Hot Springs in Yellowstone 

 Park). 



Collection dates are distributed from mid-spring to early fall. 

 Unusually early and late dates are: April 18 at Victoria, B.C.; May 9 

 and 15 at Cornelius, Oreg.; May 14 at Wild Horse Mountain, Athena, 

 Oreg.; September 14 at Elbert, Colo.; and September 24 and 28 and 

 October 3 at Hillsboro, Oreg. 



Reared specimens are as follows: 9, reared from Neodiprion 

 tsugae, Sweet Home, Oreg., June 1, 1937. 39, reared from Pristi- 

 phora erichsonii, Phoenix, B.C., June 20, 1950. 49, reared from 

 cocoons of Laspeyresia nigricana, Sumas Prairie, B.C., material 

 collected 1945, parasites emerged May 1946. 



This subspecies ranges from the Rocky Mountains to the Pacific 

 Ocean, from northern British Columbia to New Mexico and southern 

 California. 



