The female Bicyclus anynana butterfly (left) features larger eyespots on their wings than its male counterpart (right). New research shows that the hormone ecdysone regulates the eyespot size in B. anynana, both between males and females and between wet- and dry-season morphs.
The female Bicyclus anynana butterfly (left) features larger eyespots on their wings than its male counterpart (right). New research shows ...
