-1940] Cicadellidae 621 



e. var. albiger (Germ.) 



Germar, Mag. d. Ent., iv, p. 88, 1821, Jassvs. 

 Germar, Fauna Eur., fasc. xvii, p. 17, 1834, Jassus. 

 Signoret, Ann. Soc. Ent. Fr., ser. 5, ix, p. 80, 1879. 

 Melichar, Cicad. Mitt. Eur., p. 195, 1896. 



f. var. confusus (Kirschb.) 



Kirschbaum, dead. v. Wiesbd., p. 78, 1868, Anoscopus. 

 Signoret, Ann. Soc. Ent. Fr., ser. 5, ix, p. 80, 1879. 

 Melichar, Cicad. Mitt. Eur., p. 195, 1896. 



g. var. argus Eey 



Eey, Eevue d'Ent., x, p. 245, 1891. 



[The varieties have not been worked out in tliis country.] 



Localities: Ont., Mo., N. H., N. Y., Pa., D. C, Mich., Wise. 

 (Europe.) 



1937. Acucephalus placidus (Prov.) 

 Provancher, Pet. Faune Ent. Can., iii, p. 280, 1889, Selenocephalus. 

 Van Duzee, Can. Ent., xliv, p. 328, 1912. 

 Locality : Quebec ( ? ) . 



Genus Memnonia Ball 

 Orthotype consobrina Ball 

 Ball, Eept. la. Acad. Sci. for 1899, p. 66, 1900. 



1938. Memnonia consobrina Ball 

 Ball, Eept. La. Acad. Sci. for 1899, p. 66, pi. 5, figs. 6-10, 1900. 

 Localities: Neb., Colo. 



1939. Memnonia fratema Ball 

 Ball, Eept. la. Acad. Sci. for 1899, p. 67, 1900. 

 Localities: Neb., Colo. 



Genus Xestocephalus Van D. 

 Logotype puUcarius Van D. 



Van Duzee, Trans. Am. Ent. Soc, xix, p. 298, 1892 (nomen nudum). 



Van Duzee, Bui. Buf. Soc. Nat. Sci., v, pp. 197, 214, 1894 (described). 



Matsumura, Termes. Fuzet., xxv, p. 402, 1902. 



Melichar, Homop. Fauna Ceyl., p. 205, 1903. 



Kirkaldy, Haw. S. P. A., Exp. Sta. Bui., iii, p. 51, 1907. 



Distant, Fauna Brit. Ind., Ehyn., iv, pp. 265, 348, 1908 (names pulicarius type). 



Van Duzee, Can. Ent., xli, p. 384, 1909 (cites pulicarius as type). 



1940. Xestocephalus pulicarius Van D. 

 Van Duzee, Bui. Buf. Soc. Nat. Sci., v, pp. 197, 215, 1894. 

 Osborn and Ball, Proc. la. Acad. Sci., iv, p. 284, 1897. 

 Wirtner, Ann. Cam. Mus., iii, p. 221, 1904. 

 Osborn, 20th Eept. N. Y. St. Ent., p. 515, 1905. 

 Van Duzee, 20th Eept. N. Y. St. Ent., p. 554, 1905. 

 Tucker, Kans. Univ. Sci. Bui., iv, p. 66, 1907. 



Van Duzee, Bui. Buf. Soc. Nat. Sci., viii, No. 5, p. 62, 1907 ; ix, p. 216, 1908. 

 Smith, Cat. Ins. N. J., edn. 3, p. 103, 1910. 

 Melichar, Notes from Leyden Mus., xxxvi, p. 139, 1913. 



