Key to species of Xenovarta (males) from China

1. Aedeagal shaft symmetrical............................................................................. 2

- Aedeagal shaft asymmetrical............................................................................ 3

2. Aedeagal shaft with pair of distally hooked basal processes (see Viraktamath, 2004: Figs.175,176)............... X. acuta

- Aedeagal shaft with pair of subapical processes (see Duan & Zhang, 2013: Fig.1 E, F)............................ X. lui

3. Aedeagus with well-developed dorsal process near midlength (see Duan & Zhang, 2010: Fig.1 F–G)......... X.longicornis

- Aedeagus without dorsal process near midlength.............................................................4

4. Pygofer side with subuliform process at ventroposterior margin (see Xing, Dai & Li, 2011: Fig. 5)............. X. subulata

- Pygofer side without process at the ventroposterior margin..................................................... 5

5. Aedeagal shaft with sickle-shaped subapical process, gonopore located at 1/3 length of aedeagal shaft in lateral view (Figs.7, 8).................................................................................... X. falcata sp. nov.

- Aedeagal shaft with fingerlike subapical processes, gonopore located at 1/5 length of aedeagal shaft in lateral view (see Virak- tamath, 2004: Figs.160,161, 162)................................................................. X. ankusha