502 PROCEEDINGS OF THE NATIONAL MUSEUM vol. lie 



The type male of C.fasciola Cresson, taken in Comal Co., Texas, is at 

 the Philadelphia Academy of Natural Sciences, no. 1950. The type 

 female of C novomexicana Viereck and Cockerell, from Jackson Park, 

 N. Mex., at skunk cabbage, July 7, 1903 (Anna Gohrman),is at the 

 Philadelphia Academy of Natural Sciences, no. 10383. 



Distribution. — Central and South Central States, from South 

 Dakota and Iowa south to Arizona, New Mexico, and Texas. Speci- 

 mens are as follows: 



Arizona: ?, Coconino Co., 7200-7500 ft., Aug. 29, 1935 (T. H. and G. G. 

 Hubbell); ?, Flagstaff, June 10, 1909 (F. C. Pratt); d", Flagstaff, Feb. 20, 1932 

 (Painter); ?, Flagstaff, 7000 ft., Sept. 5, 1955 (H. A. ScuUen). Colorado: ?, 

 Berkeley, June 10, 1897 (E. J. Oslar) ; ?, Boulder, June 20, 1922; cf, Boulder, 

 June 20, 1922 (L. O. Jackson); ?, Fort Collins; Bd'd', Fort Collins, June 22, 

 1899; 9, Regnier, 4500 ft., June 6, 9, 1919; 9, Rifle, 5400 ft., July 19-21, 1919; 

 9, Ridgway, 7000 ft., July 10, 1919. Iowa: 9, Sioux City, June 10, 1949 

 (Slater and Laffoon). Kansas: 9, Baldwin (Bridwell) ; d^. Great Bend, June 3, 

 1952 (Cheng Liang); 9, Hamilton Co., 3350 ft. (F. H. Snow); 9, Lyons Co., 

 June 15, 1923 (C. O. Bare); 9, Osage Co., June 16, 1923; 3 9 9, Riley Co. 

 (Marlatt, Popenoe). Minnesota: 9, Traverse Co. (O. W. Oestland). 

 Nebraska: 9 , April 24, 1896; 2 9 9 , cf (T. Pergande). New Mexico: 2 9 9, 

 Higlirolls, May 29-30, 1902. South Dakota: 2cf c?", Brookings, June 18, 1921 

 (H. C. Severin) ; cf, Brookings, June 14, 1933 (H. C. Severin) ; cf , Hingle, June 15, 

 1924 (H. C. Severin); 9, Onida, June 18, 1933 (H. C. Severin); Scfcf, Volga; 

 9, Wasts, Pennington Co., June 3, 1941 (G. R. and A. M. Ferguson). Texas: 

 2 9 9, Austin, April 22, 1900; 2 9 9, Austin, May 9, 1900; 9, Austin, April 9, 

 1909 (R. A. Cushman) ; 9 , Childress, June 8, 1906 (J. D. Mitchell) ; 3 9 9 , 

 Dallas, May 9, 1906 (F. C. Bishopp); 9, Dallas, May 9, 1906 (W. D. Pierce); 9 , 

 Dallas, April 24, 1908; 9, Denton, May 19 (F. C. Bishopp) ; 9, Fedor, April 25, 

 1896; 2cf cT, Fedor, April 2 and 6, 1898 (Birkmann) ; cf, Fedor, April 21, 1904 

 (Birkmann); 2 9 9, Fedor, May 11-12, 1905; 9, Hunt Co., May 17, 1934; 

 5 9 9, 3cf c?, Fedor, April 25, 1938 (RWS) ; 9, 3c?cf, Fedor, May 2, 1939; cf, 

 Fedor, May 4, 1939; 9, cf, Fedor, May 5, 1939; cf, Fedor, May 9, 1939; 9, 

 Fedor, May 20, 1939; 9, Fedor, June 2, 1939; 9, Fedor, May 6, 1940; 9, cf, 

 Fedor, May 11, 1940; 9, Fedor, May 14, 1940; 2 9 9, Roanoke, Denton Co., 

 May 31, 1951 (H. E. Evans); 9, Wolf Canyon, May 20, 1907 (F. C. Bishopp). 



Prey record. — None. 



Plant record. — Amorpha fruticosa (Texas), Eriogonum umhellatum 

 (Colorado), Helianthus petiolaris (Kansas), Heracvleum lanatum 

 (Colorado), iris (Aiizona), Pastinaca saliva (Texas), Polytaenia 

 nuttallii (Texas). 



66. Cerceris posticata Banks 



Cerceris posticata Banks, 1916, p. 64; 1947, p. 20.— Scullen, 1951, p. 1010. 



Female. — Unknown. 



Male.— Length 15 mm. Black with yellow and light fulvous 

 markings; close to male of C. sexta Say in structural details and color 

 pattern except as indicated below. 



