This Caterpillar Mimics a Scary Skull to Keep Predators at Bay

The caterpillar of the rare pink underwing moth has a very peculiar defense mechanism. When disturbed, it suddenly arches its back to reveal a pair of large, frightening eyes and what looks like a two rows of barred teeth.

The pink underwing moth is a rare and enigmatic insect found from subtropical New South Wales through Queensland and New Guinea. It feeds on rotting fruit and, although nocturnal, doesn’t seem to be strongly attracted to light. The moth’s name was inspired by the bright pink bars on its hidden hind underwings, which some experts believe act as a defense mechanism. The theory is that a sudden display of color can startle or surprise a predator for long enough to let the moth escape. But that defense strategy pales in comparison to that used by the pink underwing moth in caterpillar form.

Read More »