WASP GENUS CERCERIS — SCULLEN 



459 



C. atramontensis Banks is very close to C. clypeata Dahlbom in 

 size and color but is easily distinguished by the form of the clypeal 

 process of the female. 



Types. — The type female of C. atramontensis Banks, from Valley 

 of Black Mountains, N.C., July 23, 1906 (Beutenmuller) , is at the 

 Museum of Comparative Zoology, Harvard, no. 21180. The type 

 female of C. arbuscula Mickel, from Omaha, Nebr,, Jidy 23, 1913 

 (L. T. Williams), is at the University of Nebraska. 



Distribution. — North Central and Northeastern States, from 

 eastern North Dakota to New England and south to North Carolina, 

 Arkansas, and central Texas. 



Prey record. — Conotrachelus naso Leconte (Krombein, 1956, Vir- 

 ginia), C. nenuphar (Herbst) (J. C. Bridwell, New Hampshu'e). 

 C. posticatus Boheman (Krombein, 1956, Virginia). 



Plant record. — Daucus carota (New York) , Eupotorium scrotinum 

 (Missouri), Liriodendron tulipijera (Virginia), Melilotus alba (Ohio), 

 Veronica apicata (Missomd) . 



Figures 68-70. — Localities of: 68, C. atramontensis Banks; 69, C. azteca Saussure; 70, C. 

 hanksi Scullen. 



48. Cerceris azteca Saussure 



Figures 69, 151a,b,c,d 



Cerceris azteca Saussure, 1867, p. 97.— Schletterer, 1887, p. 486.— Dalla Torre, 



1897, p. 453.— Ashmead, 1899, p. 296.— Scullen, 1961, p. 45. 

 Cerceris seminigra Banks, 1947, pp. 33-34. — Scullen, 1951, p. 1010. 



Female. — Length 9-10 mm. Black with dark yellow, fulvous, and 

 creamy-white markings; punctation somewhat coarser than average; 

 pubescence very short. 



