378 



PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 16, 17. — Localities of: 16, C. echo atrata Scullen; 17, C. finitima finitima Cresson. 



16a. Cerceris finitima finitima Cresson 



Figures 17, 119a,b,c 

 Cerceris finitima Cresson, 1865, p. 125. — Packard, 1866, p. 61. — Cresson, 1887, 



p. 282.— Schletterer, 1887, p. 491.— Robertson, 1890, p. 200; 1891, p. 570; 



1892b, p. 108; 1892c, p. 274; 1894a, pp. 455, 457.— Dalla Torre, 1897, p. 460.— 



Bridwell, 1898, p. 209.— Ashmead, 1899, p. 295.— Viereck and Cockerell, 1904, 



p. 138.— Smith, H. S., 1908, p. 370.— Banks, 1912a, p. 27.— Stevens, 1917, p. 



422.— Rohwer, 1917, p. 244.— Mickel, 1917b, p. 453.— Rau, 1928, p. 338.— 



Strandtmann, 1945, p. 312.— Scullen, 1951, p. 1007. 

 Cerceris finitima var. nigroris Banks, 1912a, p. 27. — Mickel, 1917b, p. 453. — 



Scullen, 1951, p. 1008. 



Female. — Length 7 to 8 mm. Color black and yellow, closely 

 and deeply pitted, clothed with very short silvery hairs. 



Head one-fourth wider than the thorax, black except large frontal 

 eye patches on the face, the clypeus, patch on front above the clypeus, 

 basal part of the mandibles, the scape, spots back of the compound 

 eyes, all of which are yellow; markings on face lighter than other 

 markings ; clypeal border with two widely separated denticles ; clypeal 

 surface with a very low, broad ridge ending laterally in two slightly 

 extended subhy aline points appearing just above and mesad of the 

 two dark border denticles; mandibles with two subequal denticles 

 distinctly separated and medially located; antennae normal in form, 

 scape yellow, peduncle dark amber, flagellum light amber below and 

 darker above. 



Thorax black except for two elongate patches on the pronotum, 

 two patches on the scutellum, the metanotum, a dot on the pleuron 

 below the wing base, and the tegulae, all of which are yellow; tegulae 

 elevated and pitted; enclosure transversely rugose; mesosternal 

 tubercles small and black ; legs dark amber to middle of the femora or 

 beyond, yellow beyond to the tarsi, which are light amber; wings 

 subhyaUne except the stigma, which is dark amber. 



