Key to the genera of Tasnimocerus genus group

1. Forewing with 2 subapical cells ........................................................................................................................................................ 2

- Forewing with 3 subapical cells ........................................................................................................................................................ 3

2. Male pygofer with a ventral process, anal collar well developed with process, subgenital plates distinctly shorter than pygofer .... .................................................................................................................................................................... Hyalinocerus Zhang & Li

- Male pygofer without ventral process, anal collar poorly developed, lacking process; subgenital plates distinctly longer than pygofer ............................................................................................................................................................. Nilgiriscopus Viraktamath

3. Colour various with dark brown to black markings .......................................................................................................................... 4

- Colour light to dark brown without definite markings ........................................................................................... Dianica gen. nov.

4. Anteclypeus slightly narrowed basally, male pygofer with a ventral process .............................................. Jogocerus Viraktamarth

- Anteclypeus distinctly wider basally than at apex, male pygofer without a ventral process ............................ Tasnimocerus Ghauri