Metamorphosis slight (young resembling adults) as opposed to 'ametabolous' (no metamorphosis, e.g. Thysanura – fishmoths) and 'holometabolous' (distinct life stages, e.g. Lepidoptera – butterflies and moths) (Braack, pers. comm.).

Undergoing incomplete metamorphosis.

insects with incomplete metamorphosis, where the individual develops with gradual changes in size and shape. There are three distinct stages in the development of a hemimetabolous insect: egg, nymph (juvenile of any instar) and adult.