WASP GENUS CERCERIS — SCULLEN 509 



71. Cerceris tepaneca Saussure 



Figures 96, 176a,b,c 



Cerceris tepaneca Saussure, 1867, p. 90. — Schletterer, 1887, p. 504. — Cameron, 

 1890, p. 125.— Dalla Torre, 1897, p. 478.— Ashmead, 1899, p. 296.— Scullen, 

 1961, p. 48. 



Cerceris sextoides Banks, 1947, p. 10. — Scullen, 1951, p. 1010. 



Cerceris eurymele Banks, 1947, pp. 11-12. 



Female. — Length 15 mm. Black with yellow markings; puncta- 

 tion and pubescence average. 



Head slightly wider than the thorax; face, base of mandibles, scape, 

 and large patch back of the eyes, all yellow; clypeal border black with 

 five denticles, the two lateral ones and the medial one smaller than 

 the other two; clypeal process with spreading blunt points deeply 

 concave between them, dark at the tips, mandibles with three sep- 

 arated denticles, the more apical one much the largest; antennae 

 normal in form, scape yellow, flagellum ferruginous basally, becoming 

 dark apically. 



Thorax black except for two emarginate patches on the pronotum, 

 the metanotum, large patches on the propodeum, and the tegulae, 

 aU of which are yellow; tegulae low and smooth; enclosure deeply 

 ridged longitudinally; mesosternal tubercle absent; legs black on basal 

 parts, including the basal end of the femora, beyond which they are 

 yellow infused with amber and becoming more ferruginous on the 

 apical parts; wings subhyaline tinged with amber. 



Abdomen black and yellow; first tergum with two separated yellow 

 patches; terga 2 to 5 largely yellow with variable amounts of black in 

 the center of each ; tergum 6 with yellow to the sides of the pygidium ; 

 venter with broad emarginate bands of yellow on sternites 2, 3, 4, 

 and 5; pygidium with sides slightly converging to a smaller apical end. 



Male. — Length 13 mm. Black with yellow markings; punctation 

 and pubescence average. 



Head subequal in width to the thorax; black except the entire face, 

 base of mandibles, the scape, and a small spot back of the eye, all of 

 which are yellow; clypeal border extended with three low denticles on 

 the margin; hair lobes extending about half way to the meson; clypeal 

 surface convex; mandibles with three very low denticle-hke elevations; 

 antennae with the terminal segment sHghtly curved. 



Thorax black except for two elongate patches on the pronotum, 

 the metanotum, and the tegulae, all of which are yellow; tegulae low 

 and smooth; mesosternal tubercle absent; enclosure deeply ridged 

 longitudinally but spreading posteriorly; legs yellow except the fore- 

 legs, which are fuscous basally to the center of the femora; midlegs 

 with a fuscous patch near the basal end of the femora; hindlegs with 

 the apical ends of the femora fuscous and a fuscous patch on the apical 

 end of the tibiae ; wings subhyahne hghtly tinged with amber. 



742-463—65 12 



