planidium

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noun

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.

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Scrabble 14

Meanings

nounplanidium (plural planidia)

plural planidia

  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.

    Synonyms: triungulin

Synonyms & antonyms

nounThe 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.

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Origin

  1. Ancient Greekπλανάω“to wander”
  2. Englishplanidium

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

Full word history & related roots →
Cite this entry
APA

planidium. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/planidium

MLA

“planidium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/planidium. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “planidium,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/planidium.

Source: planidium on Wiktionary, CC BY-SA 4.0.