472 



U. S. NATIONAL MUSEXJM BirLLETDT 216 



PART 3 



beyond coxae, hind tarsus, and basal 0.65 ± of hind tibia, yellow; 

 second hind trochanter, basal 0.3 to 0.5 of hind femur, and sometimes 

 sides of fu'st tergite, fulvous. 



Specimens: cf, Boulder, Colo., Apr. 30, 1934, W. D. McDonough 

 (Townes). cf, Boulder, Colo., June 3, 1926, M. C. Van Duzee (San 

 Francisco), cf , Boulder, Colo., June 20, 1934, M. T. James (Townes). 

 9, Florissant, Colo., July 2, 1907, S. A. Rohwer (Cambridge). 9, 

 Colorado-Wyoming state line, Aug. 9, 1950, R. R. Dreisbach and 

 R. K. Schwab (Dreisbach). 6cf, near Estes Park, Colo., June 14 

 and 15, 1948, H., M., G., and D. Townes (Townes). d", Golden, 

 Colo., June 17, 1940, A. L. Melander (Cambridge), d^, Colorado 

 (New York), cf, 39, 12 miles southwest of Rapid City, S. Dak., 

 Aug. 25, 1948, Evans and Ball (Ottawa). The specimens from Rapid 

 City, S. Dak., are somewhat intermediate to the subspecies axilaris. 



This subspecies occurs in the mountains of central Colorado and 

 just across the border into Wyoming. Atypical specimens have been 

 taken in the Black HiUs of South Dakota. Mitchell (1950, Ann. Ent. 

 Soc. America, vol. 43, p. 256) records a questioned specunen from 

 Vancouver, B.C. 



Id. Acroricnus stylator townesi Mitchell 



Acroricnus stylator townesi Mitchell, 1950, Ann. Ent. Soc. America, vol. 43, p. 

 256; cf, ?. Type: 9, near Alpine, Ariz. (Townes). 



Colored approximately like the subspecies junceus, except that 

 basal 0.35 ± of hind femur is fulvous. 



Specimens: 32 6^, 19 (type and paratypes), near Alpine, Aiiz., May 

 24 to 30, 1947, H. and M. Townes (Townes and Ithaca). 2(f, Jemez 

 Springs, N. Mex., July 1, 1941, R. H. Beamer (Lawrence). 



Figures 260-262. — Localities: 260 (left), Acroricnus stylator excelsus; 261 (center), 

 A. s. townesi; 262 (right), A. s. junceus. 



