A larva (Latin; plural larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The larva's appearance is generally very different from the adult form (eg. caterpillars and butterflies), and a larva can often have unique structures and larval organs that don't occur in the adult form. A larva's diet can be considerably different from i… (More on Larva)