WASP GENTJS CERCERIS — SCULLEN 401 



sternal tubercle is absent from both sexes. (4) The termmal segment 

 of the male antenna is distorted slightly, (5) The males have 

 relatively inconspicuous denticles on the clypeal border or none at all. 

 (6) The male hair lobes are normal in width. (7) Buprestidae are 

 used as prey." 



25a. Cerceris californica californica Cresson 



Figures 31, 128a,b,c 



Cerceris californica Cresson, 1865, p. 128. — Packard, 1866, pp. 60, 63. — Cresson, 

 1887, p. 282.— Schletterer, 1887, p. 487.— Dalla Torre, 1897, p. 454.— Ashmead, 

 1899, p. 295— Woodworth, 1913, p. 94.— Rohwer, 1917, p. 244.— Banks, 1947, 

 p. 20.— ScuIIen, 1951, p. 1006.— Linsley and MacSwain, 1956, pp. 71-84.— 

 Krombein, 1958a, p. 197.— Scullen, 1960, pp. 75-77. 



Cerceris ferruginior Viereck and Cockerell, 1904, p. 134. — Viereck, 1960b, p. 234. — 

 Johnson and Ledig, 1918, p. 24.— Banks, 1947, p. 25.— Scullen, 1951, p. 1007. 



Cerceris garciana Viereck and Cockerell, 1904, p. 135. — Scullen, 1951, p. 1008. 



Cerceris populorum Viereck and Cockerell, 1904, p. 135. — Banks, 1947, p. 25. — 

 Scullen, 1951, p. 1009. 



Cerceris cognata Mickel, 1916, p. 408. — Scullen, 1951, p. 1006. 



Cerceris denticularis Banks, 1917, p. 113; 1947, p. 20.— Scullen, 1951, p. 1007. 



Cerceris interjecta Banks, 1919, p. 84. — Scullen, 1951, p. 1009. 



Cerceris calodera Banks, 1947, pp. 22-23.— Scullen, 1951, p. 1006. 



Cerceris illota Banks, 1947, p. 23.— Scullen, 1951, p. 1008. 



Cerceris isolde Banks, 1947, p. 24. — Scullen, 1951, p. 1008. 



Cerceris californica californica Scullen, 1961, p. 46. 



Female. — Length 13 mm. Black with yellow markings, which 

 may become amber in limited areas; closely and moderately pitted; 

 clothed with short silvery hairs. 



Head subequal in width to the thorax; face, area back of eyes, two 

 patches on vertex, base of mandibles, scape of antennae, all are yellow; 

 clypeal margin slightly extended from the medial lobe, emarginate 

 in the center; clypeal surface slightly convex; clypeal surface denticles 

 barely evident; mandibles with two denticles, the more apical one 

 much the smaller and undivided, the more basal one larger and with 

 two distinct apices, and the more basad of these two apices much the 

 smaller; antennae normal in form. 



Thorax black except the pronotum, tegulae, patch on pleuron, 

 scutellum, metanotum, most of propodeum, and small spots on the 

 enclosure, all of which are yellow with limited amber margins; tegulae 

 not elevated, and relatively smooth except for many minute pits; 

 enclosure finely rugose; mesosternal tubercle absent; legs yellow with 

 some margins showing amber; wings subhyaline, cloudy in the 

 anterior area. 



" Bridwell has reported an exception that occurs when buprestids are not 

 available. See under C. fumipennis Say (p. 412). 



