As an entomologist with a focus on insect behavior and interactions with humans, I can tell you that butterflies are not known to bite. Butterflies are insects that primarily feed on nectar from flowers, and they do not have the mouthparts necessary for biting. They have a long, straw-like structure called a proboscis, which they unroll to sip nectar. Unlike some other insects, such as mosquitoes or bed bugs, butterflies do not have mandibles or piercing mouthparts that would be used to bite or draw blood.

read more >>

Butterflies don't bite because they can't. Caterpillars munch on leaves and eat voraciously with their chewing mouthparts, and some of them do bite if they feel threatened. But once they become butterflies, they only have a long, curled proboscis, which is like a soft drinking straw��their jaws are gone.read more >>