76 



U. S. NATIONAL MUSEUM BULLETIN 209 



(Bexar County, Brownsville, Camp Barkley in Taylor County, 

 Dallas, El Paso, Maxwell, New Braunfels, San Marcos, and William- 

 son County) ; and Mexico (Alpuyeca in Morelos and Villa Guadalupe 

 in Jalisco). 



Collection dates are rather evenly distributed from late spring to 

 early fall, the earlier and later dates being April at Brownsville, Tex, ; 

 May 1, 5, and 13 in Bexar County, Tex.; Sept. 23 at Fort Collins, 

 Colo.; Oct. 4 at Camp Barkley, Taylor County, Tex., and at Knox- 

 ville, Tenn.; Oct. 10 at Manhattan, Kans.; and Oct. 16 at Lawrence, 

 Kans. Flower records comprise Melilotus alba and Conium maculatum. 

 A female from Lawrence, Kans., was taken with prey, a juvenile 

 Lycosa. 



This species occurs from the Mississippi Valley to the Rocky 

 Mountains in the Transition, Upper Austral, and Lower Austral 

 Zones. It ranges further eastward than any other of the yellow winged 

 pepsines. Adults occur throughout the warmer season. 



5. Cryptocheilus severini Banks 



Figure 1, b 



Cryptocheilus severini Banks, 1926, Canadian Ent., vol. 58, p. 202, [c?]. Type: 



cT, Newell, S. Dak. (Cambridge), 

 Cryptocheilus arizonicus Banks, 1933, Psyche, vol. 40, p. 7, cf, 9. Type: 9, 



Tempe, Ariz. (Cambridge). 



Male: Fore wing 8.5 to 10 mm. long; front view of clypeus with a 

 deep semicircular emargination ; sixth sternite with a shallowly 

 U-shaped emargination; exposed portion subgenital plate about 

 square, the apical angles rounded, basally with a median triangular 

 elevation with flat top and sharp edges, the elevation reaching to or a 



Figure 36. — Localities for Cryptocheilus severini. 



