NORTH AMERICAN HOMOPTERA. 293 



Deltocephalus argrenteolus Uhler, Bull. U. S. Geol. and Geog. Surv. iii, p. 

 473, 1877. 



Hub. — Colorado. 



Deltocephahis conflg-uratus Uhler, Bull. U. S. Geol. and Geo<r. Siirv. iv, p. 

 "jll, 1879. V.ui Du/.ee, Can. Ent. xxi. p. 11, 1889. Harrington, Ottawa 

 Nat. vi, p. .5, 1894. 



Hah. — Caiiaila, White Mountains, New York, Dakota. 



Deltocephalus cinerosus Van Duzee, Trans. Am. Ent. Soc. xix, p. 305, 1892. 

 Hab. — California. 



Deltocephalus osborni Van Duzee, Trans. Am. Ent. Soc. xix, p. 304, 1892. 

 Hab. — New York, Iowa. 



Deltocephalus simplex Van Duzee, Trans. Am. Ent. Soc. xix, p. 304, 1892. 

 Hab. — New York, New Jersey, Maryland. 



Deltocephalus fuscinervosus Van Duzee. 



Hab. — California. 



Deltocephalus flavocostatus Van Duzee, Can. Ent. xxiv, p. 116, 1892. Weed, 

 Can. Ent. xxiv, p. 279, 1892. 

 Deltocephalus harrisi Fitch MS. 



Hab. — Mississippi. 



Deltocephalus coquilletti Van Duzee, Ent. Am. vi, p. 95, 1890. 

 Hab. — California. 



Deltocephalus nigrifrons Forbes. 



Cicadula nigrifrons Forbes, 14th Rept. 111. State Ent. p. 67, pi. v, fig. 3, 1864. 



Hab. — New York, Illinois, Mississippi, New Mexico, California. 



Deltocephalus concentricus Van Duzee. 

 Hab. — Colorado. 



Deltocephalus inimicus (Say). 



Jussus inimicus Say, Jour. Acad. Nat. Sci. Pliiia. vi, p. 305, 1831 ; id. reprint 

 Compl. Writings ii, p. 382, 1869. Walker, Homop. iii, p. 895, 1851; iv, 

 p. 1163, 1852. Forbes, 14th Rept. Slate Ent. 111. pp. 22, 67, 1884. 



Amblycephalus inimicus Fitch. Homop. N. Y. State Cab. p. 61, 1851 ; id. reprint 

 in Lintner's 9th Rept. p. 401, 1893. 



Tettigonia inimicn Walker, Homop. iv, p. 1158, 1852. 



Deltocephalus inimicus Van Duzee, Can. Ent. xxi, p. 11, 1889. Prov. Pet. 

 Faune Ent. Can. iii, p. 278, 1889. Van Duzee, Psyche v, p. 389, 1890. 

 Osborn, Bull. 13, Iowa Ag. Exper. Station, p. 99, 1891 ; id. Rept. Iowa 

 State Ag. Soc. 1892, p. 687; Papers on Iowa Insects p. 65 ; Insect Life v, 

 p. 113, 1392; Proc. Iowa Acad. Sci. i, pt. 2, p. 12, 1892. Southwick. 



TKaNS. am. ent. soc. XXI. SEPTEMBER, 1894. 



