pepsinae: tribe pepsini 77 



little beyond the middle of the subgenital plate; apical margin of 

 subgenital plate with a thin bare flange at the base of which is a row 

 of short bristles. Coloration as in the female. 



Female: Body pubescence blackish; forewmg 7.5 to 14 mm. long; 

 clypeus in profile moderately convex, in front view with the apex 

 strongly concave; mandible about 0.85 as long as the clypeus is mde, 

 its apical tooth rather narrow. 



Black. Lower outer corners of face strammeous; wings orange- 

 yellow, the apical 0.1 ± of the forewing and the apex of the hind 

 wing blackish. 



Specimens (59cf, 1279): From Arizona (Douglas, Dragoon Mts., 

 Nogales, Pearce, Phoenix, San Carlos, Tem_pe, and Tucson) ; Califor- 

 nia (Blythe, Calexico, Claremont, Coalinga, Dos Palos, Jacumba, 

 Linsay, Los Angeles County, Redlands, San Antonio in Santa Clara 

 County, Tejon, and Tlu-ee Rivers) ; Colorado (Bent County, Clear 

 Creek, and Logan County) ; Kansas (Decatur County, Greeley County, 

 Hamilton County, Morton County, Norton County, Rawlins County, 

 Scott City, Stafford County, Wallace, and Wichita County); Nebraska 

 (Butte) ; Nevada (Reno) ; New Mexico (Deming, Hope, Magdalena, 

 Mesquite, Alesilla Park, Organ, and Road Forks in Grant County) ; 

 South Dakota (Capa, Custer, Newell, PieiTe, and Platte); Texas 

 (Alpine, Atascosa] County, Balmorhea Lake in Reeves County, Bastrop 

 County, Camp Barldey in Taylor County, Clarendon, College Station, 

 Cornudas in Hudspeth County, Corrizo Springs, Cotulla, Dunlay, 

 Fedor, Fort Davis, Frio State Park in Frio County, Hidalgo County, 

 Juno, Laredo, Liberty Hill, Llano County, Marfa, Marathon and 

 Pine Springs) ; Utah (Emery County) ; Washington (Lone Tree on the 

 Yakima River); Wyoming (Newcastle and Weston County); 

 and Mexico (CanutiUo in Durango, Jimenez in Chihuahua, and 

 Vallecillo in Nueva Leon). 



Most dates of capture are in the summer months, though in the 

 southern parts of the range are many records for May, September, 

 and October. Early and late dates of interest are; May 2 at Scott 

 City, Kans.; May 11 at Cotulla, Tex.; May 12 at San Carlos, Ariz; 

 May 13 at Laredo, Tex.; June 30 at Lone Tree on the Yakima River, 

 Wash.; June 24 at Butte, Nebr.; June 28 at Newell, S. Dak.; Sept. 8 

 at Platte, S. Dak., Oct. 10 at Camp Barldey, Taylor County, Tex. ; 

 Oct. 17 in Atascosa County, Tex.; and Oct. 23 at Phoenix, Ariz. 

 Flower records comprise Monarda and Tamarix gallica. 



This species occurs from the hundredth meridian to the Rocky 

 Mountains, in southern New Mexico, Arizona, and California, and 

 in northern Mexico. It is on the wing mostly in July and August 

 in the northern part of its range, and from May to October in the 

 south. 



347756 — 57 6 



