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PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 13-15. — Localities of: 13, C. crandalli Scullen; 14, C. crotonella Vlereck and Cock- 

 erell; 15, C. echo echo Mickel. 



14. Cerceris crotonella Viereck and Cockerell 



Figures 14, 117a,b,c 

 Cerceris crotonella Viereck and Cockerell, 1904, p. 139. — Scullen, 1951, p. 1007. 



Female. — Length 8 mm. Color black and reddish amber, marked 

 with creamy white; normally pitted; clothed with very short silvery 

 hairs. 



Head one-fourth wider than the thorax; black except for large 

 frontal eye patches, the clypeus, basal half of mandibles, patch on 

 the front, round spots back of the compound eyes, and the scape, all 

 of which are creamy white; clypeal border with five subequally spaced 

 low denticle-like processes; process on the clypeal surface extended 

 to form a truncate cone with the end slightly broadened and black; 

 mandibles with two separate, subequal denticles, medially located; 

 antennae normal in form, scape creamy white, peduncle and flagellum 

 light amber below, darker above. 



Thorax, exclusive of the propodeum, black except for two elongate 

 patches on the pronotum, two patches on the scutellum, the meta- 

 notum, patches on the pleuron below the wing attachments, and the 

 tegulae, all of which are creamy white; tegulae smooth and not 

 elevated; propodeum reddish amber except the enclosure, which is 

 black ; enclosure deeply pitted along the border and along the central 

 groove mth a few incomplete ridges next to the mentanotum; meso- 

 sternal tubercle absent; legs dark amber basally to a little beyond 

 the middle of the femora; apical ends of femora, the fore- and mid- 

 tibiae, and the hindtibiae in part, creamy white; tarsi amber, becoming 

 darker on the mid- and hindlegs; mngs subhyaline. 



Abdomen: terga 1 to 3 reddish amber with narrow creamy-white 

 bands; terga 4 to 5 black with creamy- white bands; tergum 6 black, 



