308 



U. S. NATIONAL MUSEUM BULLETIN 216 



Specimens: 9, Mount Campbell, B. C, July 17, 1947 (Ottawa). 

 29, Victoria, B. C., Sept. 2 and 16, 1917, W. B. Anderson (Ottawa). 

 9, Victoria, B. C, Sept. 24, 1904, A. U. Hanham (Ottawa). 9, reared 

 from "looper," Victoria, B. C, J. K. Anderson (Ottawa). 9, Antelope 

 Mt. at 6,500 ft., Harney Co., Oreg., Aug. 11, 1931, D. K. Frewing 

 (Washington). 9, Antelope Mt. at 6,500 ft., Harney Co., Oreg., Aug. 

 23, 1931, D. K. Frewing (Townes). 4d\ 39 (type and paratypes), 

 reared from Orgyia antiqua, Portland, Oreg., Apr. 18, 22, and 24, and 

 May 3, 1918, E. J. Newcomb (Washington). 



This species is known only from British Columbia and Oregon. 



4. Ephialtes componotus (Davis) 



Pimpla componotus Davis, 1898, Trans. Amer. Ent. Soc, vol. 24, p. 367; c\ 

 Type: d\ Moscow, Idaho (Philadelphia). 



Male: Front wing about 8.0 mm. long. Structure similar to that 

 of E. pacificus. 



Black. Face, clypeus, front orbit, subtriangular area at top of 

 eye, cheek, stripe next eye on lower part of temple, mouthparts except 

 apical part of mandible, scape and pedicel in front, base of flagellum 

 in front, lower half of propleurum, large hind corner of pronotum, 

 large subtriangular area on mesoscutum at front end of notaulus, a 

 median pair of longitudinal stripes on mesoscutum, apical 0.6 ± of 

 scutellum, postscutellum, part of prepectus, most of mesosternum, 

 and subtegular ridge, white; front coxa, trochanters, tibia, and tarsus 

 white, the tibia above tinged with fulvous and with a faint submedian 

 infuscation; front femur fulvous, whitish in front; middle coxa fulvous, 

 white below; middle trochanters and femur fulvous, the femur white 

 at apex and in front, and the second trochanter pale fulvous ; middle 

 tibia white, its base infuscate, with an elongate subapical fuscous 



Figures 137-139.— Localities: 137 (left), Ephialtes pacificus; 138 (center), 

 E. componotus; 139 (right), E. Ontario. 



