Xizangocerus, Xue & Nyima & Da & Zhang, 2025

Xue, Qingquan, Nyima, Tenzin, Da, Wa & Zhang, Yalin, 2025, Taxonomy of eurymeline leafhoppers from Xizang, China (Hemiptera: Cicadellidae) with two new genera and three new species, Zootaxa 5683 (3), pp. 377-396 : 387

Key to species of Xizangocerus

1. Aedeagal shaft with a distal prolongation beyond gonopore, and without any basal processes ( Fig. 13E )................. 2

- Aedeagal shaft without such a prolongation beyond gonopore and with a pair of short, thin basal processes ( Fig. 12D )....................................................................................... X. gyirongensis sp. nov.

2. Pygofer ventral margin with inner process ( Fig. 13A ); basal tringles of mesoscutum well defined ( Figs 7C, 7E ).............................................................................................. X. chayuensis sp. nov.

- Pygofer ventral margin without inner process; mesoscutum entirely black thus basal triangles of mesoscutum not clear............................................................................................. X. thailandensis

Figures

FIGURE 7. Xizangocerus chayuensis sp. nov. A, habitus of male, dorsal view; B, habitus of male, lateral view; C, head and thorax of male, dorsal view; D, face of male; E, head and thorax of female, dorsal view; F, face of female; G, habitus of female, dorsal view; H, habitus of female, lateral view; I, female genitalia, ventral view; J, first valvulae; K, second valvulae; L, apex of first valvulae; M, apex of second valvulae; N, forewing.

FIGURE 12. Xizangocerus gyirongensis sp. nov. A, male genital capsule, lateral view; B, connective, ventral view; C, connective, lateral view; D, aedeagus, lateral view; E, aedeagus, ventral view; F, style, lateral view.

FIGURE 13. Xizangocerus chayuensis sp. nov. A, male genital capsule, lateral view; B, connective, ventral view; C, connective, lateral view; D, aedeagus, lateral view; E, aedeagus, ventral view; F, style, lateral view.