Larvas are the early stages of insects, usually found in water or soil. Synonyms for this word include larvae, caterpillars, pupae, grubs, and nymphs. These terms describe different stages in the life cycle of insects, and their use depends on the type of insect being discussed. For example, caterpillars refer to the larval stage of butterflies and moths, while nymphs are the immature stages of insects such as grasshoppers and dragonflies. Grubs are the larval stages of beetles, while pupae are the non-feeding and inactive stage between the larval and adult stage in insects like flies and mosquitoes. Each synonym has a unique purpose, allowing entomologists and scientists to accurately describe the developmental stages of insects.