Key to males of Xenovarta

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

- Aedeagal shaft asymmetrical............................................................................ 5

2. Aedeagus cylindrical, without processes, with large subapical gonopore................................. X. cylindrica

- Aedeagus either compressed or with processes.............................................................. 3

3. Aedeagal shaft without pair of processes, distal part foot-shaped...................................... X. compressa

- Aedeagal shaft with pair of processes...................................................................... 4

4. Aedeagal shaft with pair of distally hooked basal processes.............................................. X. acuta

- Aedeagal shaft with pair of subapical processes........................................................... X. lui

5. Aedeagus with well-developed dorsal process near midlength........................................ X. longicornis

- Aedeagus without dorsal process near midlength............................................................. 6

6. Pygofer side with posterodorsally directed process at ventroposterior margin....................................... 7

- Pygofer side without process at ventroposterior margin........................................................ 8

7. Aedeagal shaft with small spine subapically......................................................... X. subulata

- Aedeagal shaft with a large retrorse spine subapically (Figs.7, 8)...................................... X. lii sp. nov.

8. Subgenital plate very short with heavily sclerotized caudo-lateral marginal pad; aedeagal shaft not twisted at mid length, one process of shaft pointed, other hooklike............................................................ X. harpago

- Subgenital plate moderately long with small sclerotized dorsal pad; aedeagal shaft twisted at mid length................. 9

9. Aedeagal shaft with sickle-shaped subapical process................................................... X. falcata Aedeagal shaft with two asymmetrically curved fingerlike processes..................................... X. ankusha