Eg, caterpillars

• Caterpillars, e.g
• Some creepy crawlers
• Grubs, e.g
• Tadpole, caterpillar, etc.
• Preadult insects
• Caterpillars, for example
• Immature forms

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
plural of larva (q.v.).

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Larva \Lar"va\ (l[aum]r"v[.a]), n.; pl. L. Larv[ae] (l[aum]r"v[ae]), E. Larvas (l[aum]r"v[.a]z). [L. larva ghost, specter, mask.] (Zo["o]l.) Any young insect from the time that it hatches from the egg until it becomes a pupa, or chrysalis. During this time ...