The Cicadellidae of Kansas (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 Excerpt: ... Pronotum a little more than twice as wide as long, convex anteriorly, distinctly concave posteriorly, humeral and posterior margins rounding into each other, lateral margins short. Elytra short or moderately long, flaring, two outer apical veinlets strongly reflexed. Color: White; vertex with a broken median line, a preapical brown transverse line, and two narrow lines extending from ends of latter to apex. Pronotum with six brown longitudinal stripes, the middle pair extending forward on to vertex and backward across the scutellum. Elytra with sutural and apical margins and reflexed nervures lined with brown and also with two broken brown lines, one on clavus, the other extending from the humeral angle to the middle. Tergum with two pairs of stripes, the outer pair meeting in a V on the pygofers. External genitalia: Female, last ventral segment twice as long as preceding, much narrowed posteriorly, lateral angles prominent, with a distinct median lobe which is medially notched; pygofers sparsely bristled, short and broad, equalling ovipositor. Male, last ventral segment narrower than preceding; valve triangular, broad and long, acutely pointed; plates the width of valve basally, laterally spined, apices subacute, nearly equalling the short, bristly pygofers. Distribution: Taken in Pottawatomie and Ottawa counties. Hosts: Taken in pastures where Bouteloua and Buchloe abound. Deltocephalus areolatus Ball, Can. Knt., xxxi, p. 188, 1899. Deltocephalus areolatus Osb., 20th Kept. N. Y. St. Ent., p. 520, 1905. Deltocephalus areolatus Van D., Cat. Hemip. N. A., p. 640, 1917. Form: Short, robust, wedge-shaped, the head forming the apex of the wedge. Length, 2.75 to 4 mm. Vertex nearly twice as long.as width between the eyes, apex roundingly acute. Pronotum over tw...