Synopsis of the Subfamilies and Genera of the North American Cercopidae, with a Bibliographical and Synonymical Catalogue of the Described Species of North America

Abstract

The characters recognized as of family value by Stal and most of the American students of this group are as follows : Front convex, or compresso-produced ; ocelli two, situated in the vertex, before the base. Thorax large, sexangular or trapezoidal. Scutellum small or* medium, triangular. Tegmina frequently coriaceous. Legs remote from sides of body, conforming to it ; coxae, especially the posterior, short ; tibiae smooth, posterior armed with one or two spines, apex with a crown of spinules.Ope