Post by cabintom on Nov 15, 2018 20:11:10 GMT
Nov 14, 2018 21:52:12 GMT 777 said:
I’ve noticed an area of the hindwings of all butterflies that are closed off (flap like)I have not noticed this on all butterflies... unless I'm misunderstanding what you're trying to describe.
Some species have an anal fold which houses androconial scales (for spreading scent/pheromone), but even in these species the fold is limited to males.
