WASP GENTJS CERCERIS — SCULLEN 



483 



Abdomen with the first tergum ferruginous, second tergum with a 

 broad yellow band deeply emarginate with ferruginous and anterior 

 border black; terga 3, 4, and 5 with a yellow band deeply emarginate 

 with fuscous; tergum 6 fuscous with a trace of yeUow; venter light 

 fuscous Avith the more elevated areas lighter and with traces of yellow 

 on sternites 2 and 3. 



As in C.frontatafrontata Say, the subspecies raui Rohwer is variable 

 in its color intensity. 



Types.— The type female and allotype male of C. raui Rohwer, 

 from near St. Louis, Mo. (Phil Rau), are in the U.S. National Mu- 

 seum, no. 21610. 



Distribution.— Southern Iowa, southern Illinois, Missouri, eastern 

 Kansas, northeastern Texas, Oklahoma, and Arkansas. 



Prey record. — The nesting and feeding habits of this subspecies 

 were described by Phil Rau (1922, 1928), who found them using 

 Lixus concavus Say (rhubarb curcuho) and Thecesternus humeralis 

 (Say) near St. Louis. 



Plant record. — Avicennia nitiJa (Texas), Cuscuta sp. (Kansas), 

 Euphorbia marginata (Kansas). 



Figures 82-84, — Localities of: 82, C.frontata raui Rohwer; 83, C. halone Banks; 84, C mac- 

 swaini Scullen. 



57. Cerceris halone Banks 



Figures 83, 163a,b,c 



Cerceris halone Banks, 1912a, p. 24. — Stevens, 1917, p. 422.— Scullen, 1951, 



p. 1008; 1960, p. 78.— Byers, 1962, pp. 317-321. 

 Cerceris architis Mickel, 1916, p. 409; 1917b, p. 450.— Abbott, 1928, pp. 205, 



206.— Scullen, 1951, p. 1005.— Krombein, 1958a, p. 197. 

 Cerceris alacris Mickel, 1917a, pp. 333, 334, 452.— Scullen, 1951, p. 1005 (new 



synonymy). — Krombein, 1958a, p. 197. 

 Cerceris salome Banks, 1923, p. 21. 

 Cerceris shermani Brimley, 1928, p. 200. 



