2. Is it possible to ID with just the upper wing shot? Did not get a chance to shoot the undersides. Size wise, it was quite large, definitely larger than the typical Pelopidas. Could it be Pelopidas assamensis? great swift....jpeg
P. agna Larger FW 17-20mm. FW spots whitish.
Subapical spots usually not in an arc.
Female with extra upper space 1b spot.
FW cellspot small; a line drawn thru them moves away from the larger lower space 1b spot. http://www.butterflycircle.com/check..._female_02.jpg
Pelopidas assamensis Very large .FW 23 - 27mm.
All spots white, the FW ones large & prominent.
Male without a brand but with a space 1b spot.
Antennae with broad white band. https://www.nparks.gov.sg/florafaunaweb/fauna/1/1/1104
POst 7.
1 Female Caltoris cormasa.
2 Male C. cormasa.
Note reddish tone ;FW subapical spots tend to be small, & often three.
3. Polytremis lubricans. Male.
There is too much blue rendering the colour unusual.
UnH is r4ahter coarsely scaled & the spots may not be apparent.
FW spots distinctly yellow, in male upper cellspot often triangular.
Potanthus juno. Very rare .Abdominal end may be lightly bande.
Typicall with two subapical spots, spot 8 absent, sometimes vestigial. Spot 5 often smaller than spot 4.
UnH upper end of band often rounded.
Male Thailand https://thaibutterflies.com/wp-conte...o-1080x675.jpg