Key to species of Anthonympha from China based on male genitalia

1. Cornutus absent..................................................................................... 2

- Cornutus present..................................................................................... 3

2. Socius bifurcated distally, valva truncate at apex.............................................. A. truncata sp. nov.

- Socius integrated distally, valva bluntly rounded at apex............................................. A. speciosa

3. Tuba analis with a basal protuberance on each side, bearing long setae............................ A. ligulacea sp. nov.

- Tuba analis without basal protuberance................................................................... 4

4. Saccus truncate distally, cornuti consisting of numerous spines.................................. A. trapezia sp. nov.

- Saccus bluntly rounded distally, cornutus being a slender thorn................................. A. reniforma sp. nov.