ICHNEUMON-FLIES — GELINAE : MESOSTENINI 489 



7. White mark on flagellum covering about 6 segments; abdomen entirely fulvous, 

 or sometimes entirely black; range: Atlantic Ocean to Michigan. 



lb. abdominalis abdominalis Cresson 

 Wliite mark on flagellum covering 3 or 4 segments; abdomen blackish with the 

 second tergite and more or less of the adjacent part of first and third tergites 

 dusky fulvous; range: San Francisco area of California. 



Ic. abdomiualis dimidiatus, new subspecies 



la. Echthrus abdominalis vancouverensis (Bradley), new status 



Dyseidopus vancouverensis Bradley, 1902, Ent. News, vol. 13, p. 307; cf • Type: 

 cf , Vancouver, B.C. (Ithaca). 



Colored like the subspecies abdominalis except that scape of female 

 is mostly or entirely fulvous with its back side more or less infuscate, 

 white marldngs on head of male average more extensive, scape of male 

 sometimes fulvous in front, and abdomen of male var^^ng from entirely 

 black to entirely fulvous, often fuscous basally and apically and fulvous 

 in the middle. 



Males from the northern part of the range usually have the abdomen 

 black or partly blackish. Those from California always have it mostly 

 or entirely fulvous. 



Specimens (61 cf, 679) : From Alberta (Banff on east face of Rundle 

 Mt. at 5,000 to 7,000 ft.); British Columbia (Bowser, Granite Peak, 

 Kaslo, Lillooet, Midday Creek in Indian Meadows, Mystery Glacier 

 at 4,000 ft., Robson, Sandon, Steelhead, Terrace, Trinity Valley, 

 Stanley Park in Vancouver, Victoria, and Wellington); California 

 (5-10 miles northeast of Bartle in Siskiyou Co., Berkeley, Buck's 

 Lake in Plumas Co., Chowchilla Mt. in Sierra National Forest, 

 Donner Pass, Echo Lake, Fish Camp, Giant Forest in Tulare Co., 

 near Glacier Point in Yosemite Park, Humboldt Co., Lake Alpine, 

 Leevining, Smoky Jack Camp in Yosemite Park, Strawberry, Summit 

 Lake in Shasta Co., "Toll gate in M. Weston Park at 5,000 ft.," 

 Trinity Co. at 6,000 ft., and Wright's Lake in El Dorado Co.); Idaho 

 (Athol, "Camp Creek at Ki-assel Ranger Station," "Camp Howard," 

 Moscow Mt., Priest Lake at Coohn, and Wallace at 3,000 ft.) ; Oregon 

 (Boyer, Mount Hood at 4,000 ft., Sweet Home, and Toll Gate [in the 

 Blue Mts.]); Washington ("Boulder Cave," Easton, Godman Springs 

 in Blue Mts. at 6,000 ft.. Hurricane Ridge in Olympic National Forest, 

 Lake Chelan at Lucerne, Lake Cushman, Mount Rainier at 4,700 ft., 

 Red Mt., and West Klickitat on Mount Adams at 3,500 ft.); and 

 Wyoming (Old Faithful [Geyser] in Yellowstone Park). 



Dates of collection are mostly from May 10 to July 23. Those 

 outside of this range are: April 11, 23, and 29 at Robson, B.C.; May 

 6 in Humboldt Co., Cahf.; July 30 at Lillooet, B.C.; July 31 at 

 Sandon, B.C.; August 6 on Mystery Glacier at 6,000 ft., B.C.; and 

 August 21 at Boyer, Oreg. 



589900—62 32 



