June-Sept, i 9 1 9-1 DAVIS : ClCADAS. 211 



Okanagana synodica (Say). 



1825. Journal Acad. Nat. Sci. Phil., iv, p. 334. 



There is no other described Okanagana that closely resembles this 

 narrow bodied, small-headed, yellow and black species, which Say 

 recorded as inhabiting the base of the Rocky Mountains. It has a 

 much greater distribution than has heretofore been given. The fol- 

 lowing specimens have been examined : 



Montana. — Livingston, July 31, 1905, three males; Miles City, 

 July II, 1915, male, all from collection Montana Agri. Exp. Station. 



Nebraska. — Squaw Canyon, Sioux Co., July 20, 1892, three males; 

 War Bonnet Canyon, eight males, ten females; Bad Lands north of 

 Monroe Canyon, Sioux Co., July, on sage, five males (M. A. Carriker, 

 Jr.), and male and female, June 21, 1911 (R. W. Dawson); Big 

 Spring, June 29, 1912, eight males (E. M. Harrison). All Nebraska 

 records from collection University of Nebraska. 



Kansas. — Hamilton Co., 3,350 ft., five males (F. H. Snow) ; Rush 

 Co., 2,060 ft., June 29, 1912 male (F. X. Williams), and Trego Co., 

 2,450 ft., July 12, 1912, male (F. X. Williams), collection University 

 of Kansas. In the collection of Purdue University there are two 

 females and a male labeled Kansas, and in the Academy Nat. Sci- 

 ences, Philadelphia, two examples without date. 



Colorado. — Denver, May, male ; six males and a female without 

 date, and a male labeled " on prairie around Denver, Col., May " 

 (Oslar), Davis collection. Ft. Collins, male (Pergande and S. Hen- 

 shaw), Mus. of Comparative Zoology, Cambridge, Mass. Ft. Collins, 

 June 18, 1900, two males; Pueblo, June 15, 1900, male, and Larmar, 

 June 17, 1900, three females, collection Dr. E. D. Ball. Salida, July 

 2, 1885, three males and three females, and four males, 1885, collec- 

 tion University of Nebraska. 



New Mexico. — Female labeled " New Mex.," Davis collection. 

 Male labeled " New Mex." Museum of Comparative Zoology, Cam- 

 bridge, Mass. Sandia Mts., N. M., male, collection Florida Agri. 

 Exp. Sta. 



Texas. — Tascosa, June 1, 1918, male (Miss M. McGill), Davis 

 collection. 



Okanagana balli new species. PI. xx, fig. 5. 



Type male from Little Rock, Iowa (Dr. E. D. Ball), and allotype 

 female from same locality. Davis collection. 



