Standard Lemma guide

planidium

noun · 1 senses · updated from the 2026-07-25 local source snapshot

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1

noun

Meaning 1

The first-instar larva of any species of parasitoidal insect in which the life cycle is an example of hypermetamorphosis; so called because the first instar wanders in search of the host, whereas the rest of the instars remain stationary while they feed until they pupate.

Definition source: English Wiktionary via Wiktextract

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From the Ancient Greek πλανάω (planáō, “to wander”) + -idium.