444 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 56-58. — Localities of: 56, C. compar geniculata Cameron; 57, C. compar orestes 

 Banksj 58, C. insolita itisolita Cresson. 



40c. Cerceris compar orestes Banks 



Figure 57 



Cerceris orestes Banks, 1947, pp. 13-14. 

 Cerceris compar orestes ScuUen, 1962, p. 57. 



Female. — 10 mm. Black with light yellow or cream-colored 

 markings; pmictation and pubescence average. 



Head subequal to or slightly narrower in width than the thorax; 

 entire face, spot back of compomid eyes, two small spots on vertex 

 back of the ocelli and a little to one side, the basal half of the mandi- 

 bles, and a patch on the scape, all are cream colored; clypeal border 

 with three denticles, the medial one more acute than the others; clypeal 

 process reduced to a low rounded elevation slightly more than an 

 exaggerated convex area; mandibles with two denticles, the more 

 apical one broad and blunt, and a low rounded ridge basad of the 

 denticles; antennae normal in form. 



Thorax black except for a divided band on the pronotum, band on 

 the scutellum, a large hook-shaped patch on the propodeum, and the 

 tegulae, all of which are light yellow; tegulae low and smooth; meso- 

 sternal tubercle absent; legs largely black to or slightly beyond the 

 middle of the femora, beyond which they are largely creamy yellow 

 with elongate dark stripes on the tibiae and the hindtarsi; wings 

 subyhaline with a clouded area along the anterior margins. 



Abdomen with broad bands on terga 1 and 3, tergum 2 black except 

 for yellow lateral patches, broad but deeply emarginate bands on 

 terga 4 and 5 ; venter with variable amounts of yellow on all sternites 

 but more pronounced on 1, 3, and 4; pygidium with sides convex 

 and ends subequal and rounded. 



Male. — Not recognized. 



