Dry Season Form
Wet Season Form
Prioneris thestylis
The spotted sawtooth butterfly comes from the lowlands of Southeast Asia. This butterfly looks different in the wet season and the dry season. Scientists think that during the wet season, it looks like another kind of butterfly called the hill jezebel, which isn't edible to predators. This phenomenon is called batesian mimicry, where one species copies the protection of another without having that protection itself. - Facultative mimicry? The evolutionary significance of seasonal forms in several Indo-Australian butterflies in the family Pieridae
Hill Jezebel Butterfly