-1778J Cicadellidae . 575 



Genus Idiocerus Lewis 

 Haplotype adustus H. S. 



Lewis, Trans. Ent. Soc. Lond., i, p. 47, 1835. 



Burmeister, Genera Ins., i, pi. 10, 1838 {Bythoscopus, subgenus). 



Amyot and Serville, Hemip., p. 585, 1843. 



Fieber, Verb. Zool.-Bot. Ges. Wien, xviii, p. 450, 1868. 



Kirschbaum, Die Gatt. Idiocerus, pp. 3, 4, 1868. 



Kirschbaum, Cicad. v. Wiesbd., pp. 16, 152, 1868. 



Sahlberg, Cicad., pp. 69, 137, 1871. 



Fieber, Cicad. d'Eur., i, p. 100, pi. 11, figs. 39, 40, 1875; ii, pi. 9, 1876. 



Edwards, Ent. Mo. Mag., xx, p. 113, 1883 (table of British species). 



Mayr, Tabellen, p. 26, 1884. 



Edwards, Trans. Ent. Soc. Lond. for 1886, p. 114, pi. 2, fig. 4. 



Ashmead, Ent. Am., v, p. 126, 1889. 



Van Duzee, Ent. Am., v, p. 166, 1889. 



Provancher, Pet. Faune Ent. Can., iii, p. 291, 1890. 



Osborn and Ball, Proc. Dav. Acad. Sci., vii, p. 12, 1898. (Key.) 



Kirkaldy, Haw. S. P. A., Exp. St. Bui., iii, p. 29, 1907. 



Distant, Fauna Brit. Ind., Ehyn., iv, p. 184, 1908. 



1775. Idiocerus amoenus Van D. 

 Van Duzee, Can. Ent., xxvi, p. 89, 1894 (amoernus by error). 

 Gillette and Baker, Hemip. Colo., p. 74, 1895. 

 Osborn and Ball, Proc. Dav. Acad. Sci., vii, p. 135, 1898. 

 Van Duzee, Trans. San Diego Soc. Nat. Hist., ii, p. 52, 1914. 

 Van Duzee, Univ. Calif. Publ., Div. Ent. Tech. BuL, i, p. 248, 1916. 

 a. var. depictus Ball 



Ball, Can. Ent., xxxiv, p. 313, 1902. 

 Localities: Colo., Calif. 



1776. Idiocerus amabilis Ball 

 Ball, Can. Ent., xxxiv, p. 306, 1902. 



Localities: Colo., Br. Col., Calif. 



1777. Idiocerus nervatus Van D. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., v, pp. 194, 205, 1894. 

 Gillette and Baker, Hemip. Colo., p. 76, 1895. 

 Osborn and Ball., Proc. Dav. Acad. Sci., vii, p. 137, 1898. 

 Wirtner, Ann. Carn. Mus., iii, p. 218, 1904. 

 Osborn, 20th Eept. N. Y. St. Ent., p. 506, 1905. 

 Tucker, Ivans. Univ. Sci. Bui., iv, p. 65, 1907. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., ix, p. 211, 1909. 

 Barber, Bui. Am. Mus. Nat. Hist., xxxiii, p. 531, 1914. 

 Van Duzee, Trans. San Diego Soc. Nat. Hist., ii, p. 52, 1914. 

 Gibson and Cogan, Ohio Jl. Sci., xvi, p. 71, 1915. 

 DeLong, Tenn. St. Bd. Ent., Bui. 17, p. 11, 1916. 



Localities: N. Y., N. J., Pa., Fla., Mich., la.. Mo., Kans., Colo., 

 Ariz., Calif. 



1778. Idiocerus pallidus Fitch 

 Fitch, Homop. N. Y. St. Cab., p. 59, 1851. 

 Walker, List Homop., iv, p. 1162, 1852, Bythoscopus. 



