Key to the Chinese species of Pseudacroclita Oku based on male genitalia

1. Valva with a short process near middle of costa; cucullus oblong........................................ P. projecta

- Valva without process near middle of costa; cucullus not oblong............................................... 2

2. Phallus with tapering end and two non-deciduous cornuti; sacculus angle produced into a small papillary process.................................................................................................... P. mastoidea

- Phallus blunt distally, without non-deciduous cornuti; sacculus angle not produced into small papillary process.......... 3

3. Cucullus right-angled dorsally, without thin spine on ventral angle..................................... P. hapalaspis

- Cucullus not right-angled dorsally, with a thin spine on ventral angle........................................... 4

4. Neck of valva very long; cucullus somewhat ovoid............................................... P. luteispecula

- Neck of valva relatively short; cucullus triangular.......................................................... 5

5. Terminus of socius forming hook-like process on the inner margin; outer side of cucullus about three times as wide as neck of valve.................................................................................... P. micrancistra

- Terminus of socius without hook-like process on the inner margin; outer side of cucullus nearly four times as wide as neck of valva................................................................................... P.damingshana