Predators that eat poisonous butterflies and moths may become sick and vomit violently, learning not to eat those types of species.

Histiotus diet consists of insects, specifically H. montanus mainly eats butterflies and Dipterans (fly).

It also eats blue butterflies.

This species of dragonfly will eat almost any soft-bodied flying insect such as mosquitoes, flies, butterflies, moths, mayflies, and flying ants or termites.

They have been seen to eat butterflies.

"She said very seriously, 'We really don't eat butterflies.' "

Predators that eat poisonous butterflies and moths may become sick and vomit violently, learning not to eat those types of species; this is actually the basis of Müllerian mimicry.

The desert whitetail will eat almost any soft-bodied flying insect such as mosquitoes, flies, butterflies, moths, mayflies, and flying ants or termites.

Dusky Woodswallows have been seen eating termites, butterflies and other insects.

Its diet consists mainly of honeybees although it also eats moths, butterflies, dragonflies, beetles and other flying insects.