NORTH AMERICAN HOMOPTEKA. 71 



spotted with white. Some males exhibit the pale arcs on tlie front, 

 and the ocelli may be black. 



7. I'lilepsius irrorafus Say. 



Jassu.i irroratiis. 



1831, Say, Jour. Ac. Nat. Sci. Phil, vi, p. 308; Compl. Writ, ii, p. 384. 



1835, Harris, Hitchcock, Geol. of Mass. 2d ed. p. .580. 



1851, Fitch, Homop. N. Y. State Cab. p. 62. 



1851, Walk., Homop. Brit. Museum, iii, pp. 894 and 1164. 



18.56, Fitch, Tr. N. Y. State Agric. Soc. xvi, p. 449. 



1869, Rathvon, Mombert. Hist. Lancaster Co., Pa., p. 551. 



1876, Packard, Guide to Study of Insects, p. 532. 



1877, Uhler, Haydeu's Bull., iii, p. 467. 



1878, Uhler, Hayden's Bull., iv, p. 511. 



1881, Packard, Bull. U. S. But. Comm. vii, p. 80 {inornatns). 



1882, Liutner, First Rep. p. 331 (on apple). 



1890, Smith, Cat. Ins. of N. .T., p. 446. 



1891. Packard, U. S. Ent. Com. 5th Rep. p. 324 (inornatns). 

 AUygus irroratus. 



1884, Uhler, Standard Nat. Hist., ii, p. 245, fig. 310. 



1889, Van Dnze.e, Can. Ent. xxi, p. 11. 



1890, O.sborn. U. S. Dept. of Agric. Div. of Ent. Bull, xxii, p. 30. 

 1890, Provancher, Nat. Can. xix, p. 248. 



Provancher, Faun. Ent. Can. iii, p. 286, pi. v, fig. 16. 

 Phlepsms irroratus. 



1890, Van Duzee. Ent. Am. vi. p. 93. 

 Van Duzee, Psyche, v, p. 389. 

 Jassus testudinarius. 



18.38, Bnrmeister, Gen. Ins. Jassus No. 4. 

 1851, Walker, Homop. Brit. Museum, iii, p. 891. 

 1877, Uhler, Hayden's Bull, iii, p. 467 (== irroratus Say). 

 Form rather slender, narrowed posteriorly, closely and evenly inscribed ; ver- 

 tex moderately produced, anterior edge obtuse. Length about 6 mm. 



Head about as wide as the pronotum ; vertex sloping, hardly depressed, about 

 one-fifth longer at the middle than next the eye, apex very obtuse, anterior edge 

 well rounded. Pronotum two ajul a half times the length of tlie vertex, hind 

 edge almost straight, discal pits scattering over the entire surface, wrinkles 

 somewhat obscure, a little irregular ; scutellum scarcely as long as the i)rouotuni, 

 apex distinctly striate; front one-sixth longer than broad, well narrowed toward 

 the apex, where its width is one-fourth that at the ocelli; clypeus scarcely 

 widened apically, sides nearly straight, apex truncated; cheeks moderately sur- 

 passing the lora? and attaining the apex of the clypeus, outer angles not promi- 

 uen.t. Elytra distinctly narrowed apically. 



Genital characters. — Male: Valve large, as long as the ultimate ventral seg- 

 ment (PI. I, fig. 21), apex rounded ; plates narrow, sides strongly oblique at base. 

 beyond subparallel to their obtusely pointed apex, suture depressed to near the 

 base, outer margin sparsely ciliated with soft white hairs, within which are 

 about six stout spines. Female: Ultimate ventral segment (PI. I, figs. 6 and 7), 

 about twice the length of the penultimate, deeply excavated each side of the broad 

 triangular, subacute median tooth ; on either side is a longer, nearly square lobe 



TRANS. AM. ENT. SOC. XIX. APKIL, 1892. 



