1 Potanthus omaha.male.
The UpF veins are strongly black.
2. Potanthus omaha male.
UpF spot 4 & 3 overlap. Veins black; shape of spots 2 & 3 not concave.
3 Polytremis lubricans male.
Note HW large spots 4 & 5 ;FW large upper cellspot; antenna markings.
4. Potanthus omaha male.
Abdominal end yellow; veins uniformly dark-dusted.
5. Pelopidas mathias male.
Note grey-tinged often strongly as seen here.
6. Potanthus serina male.
Abdominal end black band & FW spot 4 larger than spot 5.
7. Uncertain.
There seem to be HW small white spots 2, & 3, hyaline yellowish spots 4 & 5 & Fw upper cellspot suggesting P. lubricans but antenna do not match.
See 3 & compare antenna.
General appearance resembles C. malaya female, but spotting if correct do not match.
8. Pelopidas mathias male.
Strong grey tone.
9. Potanthus omaha male.
Abdominal end yellow & black veins neat & distinct.