Byasa laos

Byasa laos, the Lao windmill, is a species of butterfly from the family Papilionidae. The species was first described by Norman Denbigh Riley and Edward John Godfrey in 1921.

The species is found in Laos and northern Thailand, of Southeast Asia region.

Status
Said to be very rare, but status not known with any certainty. More data required for conservation assessment.