Key to species of Teinoptila from China based on external characters

1. Wingspan ≥ 21.0 mm; head with black dots ............................................................................................................... 2

- Wingspan ≤ 16.0 mm; head without black dots (Fig. 5) .................................................................. T. clavata sp. nov.

2. Head with four black dots (Fig. 4) ........................................................................................................ T. brunnescens

- Head with two black dots ............................................................................................................................................ 3

3. Thorax with three black dots (Moriuti, 1997: 206) ...................................................................................... T. guttella

- Thorax with five black dots ........................................................................................................................................ 4

4. Forewing with 70-75 black dots, cilia gray, dark gray on upper half of termen (Fig. 2) ............................. T. bolidias

- Forewing with 50-55 black dots, cilia grayish white (Fig. 3) .................................................................. T. antistatica