4. Pyroneura flavia.

HW vein 8 broadly yellow on both sides of the vein.
https://thaibutterflies.com/wp-conte...ura-flavia.jpg

Pyroneura derna.
HW vein 8 only narrowly yellow/orange on lower side of vein.
https://1.bp.blogspot.com/-Bi0zP4TIP...0/DSC_5896.JPG
https://thaibutterflies.com/wp-conte...a-1080x720.jpg


This image is wrongly IDed. It is Pyroneura flavia.
https://pbase.com/lcgoh/image/163541434


TL Seow; Cheers.