170 



THE UNIVERSITY SCIENCE BULLETIN. 



Distribution: One of the commonest Kansas species and 

 found throughout the state as shown by the following map : 



Hosts: Abundant on grasses and weeds and attracted to 

 the lights in great numbers. A distinctly economic species. 



EiLScelis striolus (Fall.). 



Cicada striola Fall., Acta Holm, xxvii, p. 31, 1806. 



Jassus frenatus Germ., Mag. d. Ent., iv, p. 86, 1821. 



Jassus striola Flor, Rhyn. Livl., ii, p. 315, 1861. 



Limotettix striola Sahib., Cicad., p. 226, 1871. 



Athysanus striolus Fieb., Kat. Eur., Cicad., p. 12, 1872. 



Athysanus striola O. & B., Proc. Dav. Acad. Sci., vii, p. 91, pi. 5, fig. 4, 1898. 



Athysanus striolus O. & B., Ohio Nat., ii, p. 235, 1902. 



Athysanus striolus Osb., 20th Kept. N. Y. St. Ent, p. 527, 1905. 



Athysanus striolus Osb., Me. Agr. Exp. Sta., Bui. 238, p. 132, 1915. 



Euscelis striolus Van D., Univ. Calif. Publ., Div. Ent., Tech. Bui., i, p. 249, 1916. 



Euscelis striolus Van D., Cat. Hemip. N. A., p. 656, 1917. 



Form: Long and narrow, resembling an Idiocerus. Length, 3.5 to 5 

 mm. Head wider than pronotum; vertex slightly longer on middle than 

 next the eye, over twice as wide as long, broadly rounding to front. Pro- 

 notum not quite twice the length of the vertex, twice as broad as long, 

 lateral margins very short, posterior margin slightly emarginate. Elytra 

 long, greatly exceeding abdomen, appendix large, nervures indistinct. 



Color: Greenish; vertex with a rather narrow transverse black stripe 

 just behind the reddish ocelli, not parallel with the margin, having broad 

 green bands before and behind, the margin of vertex showing the topmost 

 of the black facial arcs. Pronotum a little darker than the vertex or the 

 scutellum, the latter with a black transverse impressed line. Elytra pale 

 green, often clouded with fuscous apically. Face greenish, with sutui'es 

 and arcs of front, black. 



External genitalia: Female, last ventral segment twice as long later- 

 ally as preceding, lateral margins convex, posterior margin roundingly 

 emarginate to about one-third the distance to the base; pygofers long 

 and narrow, nearly or quite equalling the ovipositor, fairly spiny, es- 



