144 



THE UNIVERSITY SCIENCE BULLETIN. 



Distribution: Common throughout the eastern part of the 

 state as shown by the following- map : 



Hosts: Grasses. 



DeltocephaliLS sayi (Fh.). 



(PI. 12, figs. 7-8.) 

 Amhlycephaliis sayii Fh., HoniQp. N. Y. St. Cab., p. 61, 1851. 

 Tettigonia sayii Walk., List Homop., iv, p. 1158, 1852. 

 Deltocephalus sayi Uhl., Bui. U. S. Geol. Geog. Surv., iv, p. 511, 1878. 

 Deltocephalvs sayi O-sb., Proc. la. Acad. Sci., i, pt. 2, p. 126, 1892. 

 Deltocephahis sayi O. & B., Proc. la. Acad. Sci., iv, p. .207, pi. 23, fig. 2, 1S97. 

 Deltocephalvs sayi Osb., 20th Rept. N. Y. St. Ent., p. 519, 1905. 



Deltoeephalvs sayi Osb., U. S. Dept. .Vgr., Div. Ent., Bui. 108, p. 84, fig. 20, 1912. 

 Deltocephalvs sayi Osb., Me. Agr. Exp. Sta., Bui. 238, p. 117, 1915. 

 Deltocephalvs sayi De L., Tenn. St. Bd. Ent., Bui. 17, p. 46, 1916. 

 Deltocephalus sayi Van D., Cat. Hemip. N. A., p. 642, 1917. 

 Deltocephalus sayi Fent., Ohio Jl. Sci., xviii, No. 6, p. 183, 1918. 



Form: Short, robust forms, not distinctly wedge-shaped as preceding 

 species. Length, 3.25 to 8.5 mm. Vertex a little longer than width be- 

 tween eyes, rather acutely pointed. Pronotum short, two and a half times 

 as broad as long, humeral margins seemingly forming a part of the 

 posterior margin. Elytra short and broad, almost truncate apically, ex- 

 ceeded by abdomen, outer costal veins not strongly reflexed. 



Color: Brownish; vertex nearly reddish-brown with margins, tip, 

 median and basal transverse lines and a median longitudinal line, light. 

 Pronotum with six faint longitudinal lines. Elytra with lighter areas 

 across base and a broader one across tip of clavus. the rest with the light 

 nervures heavily margined with brown. Face light brown with heavy 

 dark arcs. 



External genitalia: Female, last ventral segment moderately long, 

 posterior margin emarginate; broad spiny pygofers equalling or slightly 

 exceeded by ovipositor. Male, last ventral segment as long as preceding; 



