WASP GENTJS CERCERIS — SCULLEN 



515 



and Aug. 21, 1916 (L. Bruner), respectively, are at the University of 

 Nebraska, 



Distribution. — C. varians Mickel is confined to California with 

 the exception of two specimens labeled "Nev." and one from near 

 Zitacuaro, Michoacan, Alexico. 



Prey record. — None. 



Plant record. — Chrysothamnus sp., Solidago sp. (both records 

 from California). 



Figures 99-102.— Localities of: 99, C. varians Mickel; 100, C. verticalis F. Smith; 101, C. 

 vicina Cresson; 102, C. wyomingensis Scullen. 



75. Cerceris verticalis F. Smith 



Figures 100, 180a,b,c 



Cerceris verticalis F. Smith, 1856, p. 466. — Cresson, 1865, p. 130. — Packard, 

 1866, p. 64.— Cresson, 1887, p. 282.— Schletterer, 1887, p. 505.— Dalla 

 Torre, 1897, p. 481.— Ashmead, 1899, p. 296.— ScuUen, 1951, p. 1010; 1961, 

 p. 48. 



Cerceris gnara Cresson, 1872, p. 229; 1887, p. 282,— Schletterer, 1887, p. 483.— 

 Dalla Torre, 1897, p. 462.— Ashmead, 1899, p, 295,— Banks, 1912a, p. 22.— 

 Mickel, 1917b, p. 449.— Scullen, 1951, p. 1008; 1960, p. 78. 



Cerceris firma Cresson, 1872, p. 229; 1887, p. 282.— Schletterer, 1887, p. 491.— 

 Dalla Torre, 1897, p. 460.— Ashmead, 1899, p. 295.— Banks, 1912a, p. 20.— 

 Scullen, 1951, p. 1007; 1960, p. 78, 



Female. — Length 16 mm. Black with ferruginous and yellow 

 markings ; punctation average ; pubescence conspicuous and somewhat 

 longer than average. 



Head largely ferruginous except for the large frontal eye patches, 

 patch on the clypeal process, and the base of the mandibles, all of 

 which are yellow, and an area about the antennal scrobes and the 

 clypeal denticles, which are dark; clypeal border with two prominent 

 denticles separated by a deep depression, these denticles each 



