384 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lie 



Colorado; 9 , Larimer Co., Aug. 13, 1952 (R. R. Dreisbach). Kansas: 29 9, 

 Blackjack Creek, Pottawatomie Co., July 2, 14, 1953 (Evans, Lin, Yoshimoto) ; 

 9 , Blackjack Creek, July 9, 1954 (H. E. and M. A. Evans); 9 , Madero, June 21, 

 1936 (W. O. Field); 9, Madero, July 7, 1953 (H. E. Evans); 9, Riley Co., Sept. 

 12 (J. B. Norton) ; 3 9 9 , Riley Co., Sept. 17, 19 (Popenoe) ; 9 , Reno Co., Aug. 

 13-20, 1917; 9, Stafford Co., Salt Flat Area, July 11, 1957 (H. E. and M. A. 

 Evans); 9, Wallace Co., 3440 ft. (F. X. Williams). Louisiana: 9, Keatchie, 

 June 14, 1905. Minnesota: 9, Fridley Sand Dunes, Anoka Co., July 22, 1927 

 (R. W. Dawson). Oklahoma: 9, Alfalfa Co., Aug. 10, 1932 (Deonier and 

 Pritchard). Texas: 9, Ballinger, Aug. 3, 1931 (R. H. Painter); 9, Bexar 

 Co., May 1, 1929 (H. B. Parks); 9, Brooks Co., July 25, 1928 (R. H. Beamer) ; 

 9, Brooks Co., July 25, 1928 (J. G. Shaw); 9, Corpus Christi, June 28, 1942 

 (E. S. Ross); 9, Fedor, Lee Co., May 7, 1909; 9, Fedor, July 23, 1897 (Birk- 

 mann); 9, Fort Worth, May 31, 1937 (Heard and Berjim); 49 9, Gillette, 

 Karles Co., July 25, 1917; 9 , KendaU Co., July 22, 1928 (R. H. Beamer) ; 4 9 9 , 

 Lee Co., May 30, Sept. 21, 1906; 9, McBade, Bastrop Co., May 12, 1934 (J. E. 

 Gillaspy); 9, Neuecest, April 28, 1896 (Morlatt); 49 9, Port Isabel, Cameron 

 Co., June 23-27, 1956 (H. E. Evans and E. G. Matthews) ; 9 , Reno Co., Aug. 

 13-20, 1917; 9, Rosser, July 6, 1905 (C. R. Jones); 9, Victoria, June 24, 1917; 

 9, Wallace Co., 3440 ft. (F. X. Williams). Wyoming: 9, Summit, 8835 ft., 

 Aug. 16, 1940 (H. E. MiUiron). 



Prey record. — None. 



Plant record. — Gaillardia amhlyodon (Texas). 



18a. Cerceris kennicottii kennicottii Gresson 



Figures 21, 121a,b,c 



Cerceris kennicottii Cresson, 1865, p. 128. — Packard, 1866, p. 63. — Cresson, 

 1872, p. 231; 1887, p. 282.— Schletterer, 1887, p. 495.— Robertson, 1890, p. 

 200; 1894a, pp. 457, 471; 1896b, p. 73.— Dalla Torre, 1897, p. 464.— Bridwell, 

 1898, p. 209.— Ashmead, 1899, p. 295.— Banks, 1912a, p. 25.— Mickel, 1917b, 

 p. 452.— Hendrickson, 1930, p. 159.— Banks, 1947, p. 30.— Scullen, 1951, 

 p. 1008. 



Cerceris eriogoni Viereck and Cockerell, 1904, p. 139. — Scullen, 1951, p. 1007 

 (new synonymy). 



Female. — Length 8 to 10 mm. Black with yellow markings; 

 normally pitted; clothed with very short silvery hairs. 



Head about one-fifth wider than thorax; black except for large 

 frontal eye patches, patch on clypeal process, basal part of mandibles, 

 and scape, all of which are yellow; clypeal border with five equally 

 spaced small processes, the central one denticle-like, the two lateral 

 ones also denticle-like but smaller, the other two somewhat broader; 

 clypeal process broad at the base, converging distally to a semitruncate 

 apical end, which is sinuate, showing a small medial and two small 

 lateral extensions; mandibles with two subequal, centrally located 

 denticles; antennae normal in form, scape light yellow in front, 

 peduncle dark amber, flagellum light amber below and dark above. 



Thorax black except for two elongate patches on the pronotum, 

 band on the scutellum, minute spot on the mesosternal tubercle, and 



