214 



U. S. NATIONAL MUSEUM BULLETIN 216 



PAKT 3 



Figures 101-103. — Localities: 101 (left), Trachysphyrus laborator altonii; 102 (center), 



T.l. perplexus; 103 (right), T.l.fahricii. 



and Viola); Nevada (Minden); Oregon (Benson State Park, "Briggs 

 Creek," Corvallis, Forest Grove, Riclo-eall, and St. Helen's); Wash- 

 ington (Alinota, Asotin, Colville, Mount Eainier at 5,300 ft., Pullman, 

 Toppenish, Walla Walla, and Yakima). 



Collection dates are mostly from May 1 to October 10. Those out- 

 side of this range are: April 6 at Davis, Calif., and at Winters, Calif.; 

 April 23 at Sacramento, Cahf.; April 24 at Oceano, Calif.; April 26 

 at CorvalUs, Oreg.; October 14 and 25 at Davis, Cahf.; October 15 

 at Moscow, Idaho, and at Summerland, B.C.; October 18 at Cultus 

 Lake, B.C.; October 23 and November 3 at Pullman, Wash.; October 

 27 at Toppenish Lake, Wash.; and November 27 at Corvalhs, Oreg. 



This subspecies ranges from southern British Columbia to southern 

 California, including western Idaho. It intergrades with the sub- 

 species altonii rather freely in western Idaho and near the crest of 

 the Sierra Nevada. 



13e. Trachysphyrus laborator fabricii (Schi^dte) 



Cryptus Fabricii Schi0dte, 1857, in Rink, Gr0nland geographisk og statistisk 

 beskrevet, vol. ii, pt. 3, p. 62; cf , 9. Types: cf , 9, Greenland (Copenha- 

 gen). 



Body form a little stouter than in the other subspecies; sculpture 

 of head and thorax distinctly finer and more mat than in the other 

 subspecies; temple rather strongly convex, about 1.0 as long as eye; 

 dorsal face of propodeum averaging shorter than in the other sub- 

 species; hind tarsus averaging a Uttle shorter than in the other sub- 

 species. 



Black. Male with facial orbit and mandible except at base and 

 apex, yellow; legs beyond trochanters fulvous, the hind tarsus not 

 yellowish medially; wings faintly infuscate. 



