nymph

nymph (noun; Greek nymphe, bride): 1. (Arthropoda: Chelicerata) The immature stage of Acari and Ixodoidea with a full complement of legs; an instar.

2. (Arthropoda: Insecta) An immature stage that does not have a pupal stage.

3. (Mollusca: Bivalvia) see nympha.