Exogonia Melichar 1926

Genus Exogonia Melichar, 1926

(Figs 1–80)

Type-species: Tettigonia assimilis Signoret, by subsequent designation of China (1938: 183).

Diagnosis. Leafhoppers with anterior margin of crown varying from rounded to narrowly rounded (Figs 2, 59), crown with epicranial, temporal, and frontogenal sutures usually visible. Pronotum generally with width approximately equal to transocular width; lateral margins convergent anteriorly (Fig. 2); dorsopleural carinae complete and oblique; posterior pronotal margin concave medially. Male pygofer strongly produced posteriorly, apical margin convex, usually with pair of ventral processes on apical portion bearing numerous setae (Figs 3, 11); subgenital plates triangular (Fig. 4); stalk of connective with median keel (Fig. 72); aedeagus expanded apically (Fig. 6); paraphyses with two pairs of rami (Fig. 8), one directed anteriorly and other posteriorly (except in E. leucampix, with single pair of rami). Second valvulae of ovipositor (Fig. 19) with dorsal margin interrupted abruptly on basal portion.