Key to oriental species of Pseudochlaeniellus Jeannel, 1949
1 Elytra with yellow lateral band or at least with small yellow apical spot......................................... 3
- Elytra without yellow pattern, pronotum strongly transverse, elytra short......................................... 2
2 Tooth of mentum simple.......................................................................... C. celer
- Tooth of mentum bifid........................................................................ C. contractus
3 Lateral margins of pronotum metallic, not transparent......................................................... 5
- Lateral margins of pronotum yellow, translucent.............................................................4
4 Lateral yellow band of elytra wide, reaching 6th interestria............................................ C. iranensis
- Lateral yellow band narrow, reaching 8th interestria................................................. C. sobrinus
5 Legs uniformly yellow.................................................................................6
- Femora darkened................................................................................ C. lucasi
6 Yellow lateral band of elytra complete.....................................................................7
- Yellow elytral pattern reduced to small apical spot.................................................. C. davidsoni
7 Lateral band of elytra clearly widened near apice........................................................... 8
- Lateral band of elytra of the same width from shoulders to apice. Apice of aedeagus pointed, with apical hook..................................................................................................... C. puncticollis
8 Body smaller, 7–8 mm ................................................................................ 9
- Large, 9–10 mm .......................................................................... C. lomsakensis
9 Species from continental part.......................................................................... 10
- Species from Java .......................................................................... C. neochloodes
10 Aedeagus robust, apice truncated................................................................. C. caesitius
- Aedeagus normal, apice rounded............................................................... C. germanus