Dayus Mahmood

Yu, Xiaofei & Yang, Maofa, 2013, Three new species of the leafhopper genus Dayus Mahmood from China (Hemiptera, Cicadellidae, Typhlocybinae, Empoascini), ZooKeys 355, pp. 1-8 : 2

Genus Dayus Mahmood

Dayus Mahmood, 1967: 39.

Type species.

Dayus elongatus Mahmood, 1967 by original designation.

Diagnosis.

Vertex (Fig. 1) slightly longer medially than next to eye. Forewing (Fig. 22) with 3rd apical cell petiolate, cua cell broad distally; veins RP, MP’ and MP’’+CuA’ arise from m cell. Hindwing (Fig. 23) with apically broad m cell. Male pygofer (Figs 3, 13, 24) abruptly and strongly narrowing caudad; dorsal bridge about half length of pygofer (Figs 15, 26); with few rigid microsetae distally; elongate ventral appendage present, extended beyond pygofer. Subgenital plate (Figs 5, 17, 27) with basal group of macrosetae and one or two oblique rows of more distal macrosetae. Connective (Figs 7, 19, 29) completely fused with the base of aedeagus. Aedeagus (Figs 8, 20, 30) with basal apodeme absent; shaft strongly curved posteriorly at base with one or two pairs of processes.

Key to the Chinese species (males)