402 



U. S. NATIONAL MUSEUM BULLETIN 216 



Figures 177, 178. — Localities: 177 (left), Rhyssa ponderosae; 178 (right), R. 



alaskensis. 



longed forward on upper edge of metapleurum so that it is subtri- 

 angular in shape; front and middle coxae fulvous to blackish brown, 

 white on outer side and in male white also on front side, or almost 

 entirely white; hind coxa fulvous to black, sometimes with a small 

 whitish streak on upper side of its basal constricted part; femora 

 fulvous, the front and middle femora of male whitish in front, the 

 hind femur of male rarely blackish; paramedial white spots on fourth 

 and fifth tergites of female about 1.4 as high as long. 



Specimens (91 c", 689): From Alaska (Fox Point and Skagway); 

 Alberta (Banff Loop at 4,500 ft.); British Columbia (Kaslo, Robson, 

 and Wellington); California (Bridge Canyon Camp in Lassen Co., 

 Buck's Lake in Plumas Co., Camino, Cisco, Coffee Canyon in Trinity 

 Co., Crane Flat in Yosemite Park, Dardanelle, Dodge Ridge Sports 

 Area at Pinecrest in Tuolumne Co., Echo Lake in El Dorado Co., 

 Fallen Leaf Lake at 6,300 ft., near Glacier Point in Yosemite Park, 

 Glen Alpine Creek near Lake Tahoe, Hat Creek, Hope Valley in 

 Alpine Co., Lake Tahoe at 6,225 ft., Leevining, Meyers, Pinecrest, 

 Sagehen near Hobart Mills, Sierraville, Snow Flat in Yosemite Park 

 at 8,700 ft., Snowline Camp in El Dorado Co., near Sonora Pass at 

 8,500 ft., Tamarack Flat in Yosemite Park, and Tuolumne Meadows 

 in Yosemite Park); Idaho (Cedar Mt. near Moscow, Moscow Mts., 

 Priest Lake, and Waha); Montana (Lake Ronan in Lake Co.); 

 New Mexico (Beulah and Cimarron at 9,500 ft.); Oregon (Cannon 

 Beach, Crescent Lake, and Strawberry Lake in Grant Co. at 6,400 

 to 6,500 ft.); Washington (Ashford, Hoquiam, Ilwaco, Mount Rainier 

 at 2,900, 4,700, and 5,500 ft., and San Juan Island); and Wyoming 

 (Saratoga). 



Collection dates are from late spring to late summer. The earliest 

 and latest are: May 22 and 31 at Wellington, B. C; May 26 at 



