What sort of things do larvae eat?

A larva (plural form larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). The larva can look completely different from the adult form, for example, a caterpillar differs from a butterfly. Caterpillars, for instance, eat leaves voraciously. Tadpoles (that become frogs when adult) love... lettuce! Hope this helps!