This photo I made in Kutchum/Isan this year in spring:
Unsure, but this seems to be the great mormon? If so, the Thai name of this butterfly could be ผีเสื้อหางติ่งนางละเวง?
Anyway: What means หางติ่งนางละเวง
TIA for a good translation.
[spelling corrected in Subject line.]