206 



THE UNIVERSITY SCIENCE BULLETIN. 



form : Large, somewhat elongate. Length, 8 to 9 mm. Head slightly 

 \viik>r than pronotum; vertex one-fourth to one-half longer on middle than 

 next the eye, two and one-half times as wide as long, disc depressed, 

 margin acute, apex rounded to obtusely angulate. Pronotum transverse, 

 over twice as wide as long, anterior margin broadly rounding, humeral 

 margins a little longer than the lateral, posterior margin emarginate, 

 disc distinctly wrinkled. Elytra moderately long, broad, slightly over- 

 lapping apically and slightly flaring. 



Color: Vertex, pronotum, and scutellum yellowish, elytra whitish 

 fulvous. Vertex and pronotum irrorate with light brown, latter darker 

 on the disc. Scutellum -pale with two dark marginal spots. Elytra 

 rather evenly and closely inscribed with light to dark brown. Face 

 yellowish, irrorate with brown. 



External genitalia: Female, last ventral segment about three times 

 as long as preceding, narrowed posteriorly to rounded, moderately pro- 

 duced, lateral angles, between which the posterior margin is emarginate 

 and with a small median notch; pygofers moderately robust, exceeded by 

 ovipositor, sparsely spined on distal half. Male, valve broad and tri- 

 angular, nearly as long as last ventral segment, obtusely angulated 

 apically; plates large, broad basally, three times as long as valve, margins 

 with submarginal spines nearly to the obtuse diverging tips which greatly 

 exceed the short and broad pygofers. 



Distribution: Found chiefly in western Kansas as shown by 

 the following map : 



Hosts: Osborn & Ball record this species from Panicum vir- 

 gatum. 



Phlepsius solidaginis (Walk.). 



solidaginis Walk., List Homop., iii, p. 847, 1851. 

 \mid\u Van D., Trans. Am. Ent. Soc., xix, p. 76, 1892. 

 umidu* Osb., 20th Kept. N. Y. St. Ent., p. 532, 1905. 

 lidagini* Van D., Can. Ent., xli, p. 384, 1909. 

 imidns Osb., Me. Agr. Exp. Sta., Bui. 238, p. 143, 1915. 



r/i<* DeL., Tenn. St. Bd. Ent., Bui. 17, p. 74, 1916. 

 rhtri>iiix xnlidni/iinn Van I)., C'at. Hemip. N. A., p. 674, 1917. 



