ICHNEUMON-FLIES, PART 2: XORIDINAE 525 



the rest of the legs are darker, the fifth tarsal segment fuscous; wings 

 strongly tinged with yellowish brown. 



Specimens (37 cf, 1129): From Arizona (west of Kayenta in Navajo 

 Co. at 6,900 and 7,200 ft.); British Columbia (Clinton, Creston, 

 Garnet Valley near Summerland, Kaslo, Lillooet, Monte Creek, 

 Nicola, Osoyoos, Robson, Seton Lake at Lillooet, and Warfield) ; 

 California (Buck's Lake in Plumas Co., Chester, China Flat in El 

 Dorado Co., Cisco, Davis, Diamond O. Camp at Mather in Tuolumne 

 Co., Fallen Leaf, Glen Alpine Creek at Tahoe, near Glacier Point in 

 Yosemite Park, Lake Tahoe, "Los Pinos," Meadow Valley in Plumas 

 Co. at 3,500 to 4,000 ft., Onion Valley in Plumas Co., Placerville, 

 Putah Creek in Yolo Co., Quincy, Sagehen near Hobart Mills, Shingle- 

 town, Sierra Nevada Mts., Snowline Camp in El Dorado Co., Straw- 

 berry in Tuolumne Co., Summerville in Contra Costa Co., Yosemite 

 Park at 3,880 to 4,000 ft., and Yreka); Colorado (Boulder); Idaho 

 (Hauser Lake, Moscow, and Wallace) ; Montana (Darby and Mis- 

 soula) ; New Mexico (Jemez Springs at 6,400 ft.) ; Oregon (Albany) ; 

 and Washington (Asotin and Sawmill Flat in Rainier National 

 Forest) . 



Most collection dates are from the latter part of May to early July. 

 The dates of capture before May 16 and after July 10 are: March 15, 

 30, and 31 and April 6, 10, 18, and 26 at Davis, Calif.; April 2 at 

 Putah Creek in Yolo Co., Calif.; May 5 in Yosemite Park at 3,880 to 

 4,000 ft.; May 8 without locality; May 15 at Nicola, B. C; July 20 

 near Glacier Point, Yosemite Park, Calif.; July 26 at Robson, B. C; 

 and August 1 at Fallen Leaf, Calif. 



Reared specimens are: 9, from Alans oculatus, Missoula, Mont., 

 Apr. 20, 1916, J. Brunner. 9, from Paranthrene robiniae perlucida in 

 Pinus ponderosa, July 6, 1916, J. Brunner. 9, from Buprestis viri- 

 disuturalis in Populus trichocarpa, May 3, 1921, R. D. Hartman. 

 2d 1 , 29, from Pinus ponderosa, Placerville, Calif., F. B. Herbert and 

 H. E. Burke. 



This species is in the Transition and Canadian zones of the West. 

 Adults occur from late spring to mid-summer. 



20. Xorides (Xorides) stigmapterus (Say) 



Figures 313,j; 315,f; 316,h; 329,b 



Front wing of male 6.7 to 10 mm. long, of female 10 to 17 mm. long; 

 wrinkles on temple near and paralleling hypostomal carina moderately 

 strong, rather regular; segments of female flagellum at the subapical 

 bend about 1.1 as long as wide; mesopleurum smooth, its punctures 

 separated by about their diameter; median longitudinal carinae of 

 propodeum rather strong; first tergite about 5.8 as long as wide in 

 male, about 2.75 as long as wide in female; first tergite of female with 



