March, 1921.] DaVIS : ANNOTATED LiST OF COLORADO CiCADAS. 49 



orange or orange and gray, and in this and other respects looks 

 at first glance, especially when the wings are closed, much like some 

 of the species of Okanagana among which it lives. 



7. Tibicen bifidus (Davis). 



Figured in Journal, N. Y. Entomological Society, March, 1916, 

 PI. 4, figs. 3-4. 



Fort Collins, June 28, 1900, three males, two females, collection 

 Dr. E. D. Ball; Fort Collins, June 28, 1900, male and June 29, 1901, 

 male and two females, Colorado Agri. College ; Salida, Chaffee Co., 

 1885, male. University of Nebraska; Pueblo, June 15, 1900, female, 

 collection Dr. E. D. Ball. The male type came from Clear Creek, 

 Colorado. 



8. Cacama valvata (Uhler). 



Figured in Journal, N. Y. Entomological Society, March. 1919, 

 PI. 13. fig. I. 



In Cicadas of the Genus Cacama, with Descriptions of Several 

 New Species, Journal, N. Y. Entomological Society, March, 1919, 

 Colorado specimens are recorded from Pueblo, Carson City, Trini- 

 dad, Canon City, Holly, Coolidge and Fort Collins, with dates of 

 capture in June and July. In the collection of the Colorado Agri- 

 cultural College there are additional specimens from Fort Collins, 

 June 28, 1900, male and female, and Pueblo, June 15, 1900, male and 

 female. 



This species, according to Mr. John Woodgate of Jemez Springs, 

 New Mexico, is often found on bush-cactus. 



9. Proarna venosa (Uhler). Plate V, fig. i. 



Cafion City, July 2, 1885, two males, one female, and July 3, 

 male, collection University of Nebraska. 



In July, 1917, Dr. H. H. Knight collected this small species very 

 commonly " on desert grass " at Aden, New Mexico. At Foss, 

 Oklahoma, July, 1916, Miss Anna Bennett reported finding a male 

 on a thistle near the roots of a cottonwood '' singing as loud as 

 possible." Dr. Raymond H. Beamer has taken this species in 

 Kansas in grass and weeds, where they were located by their song, 

 which was low through shrill. 



