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- Related Topics:
- pupa
- larval case
- puparium
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emperor gum moth: cocoon
Cocoon of the emperor gum moth (Opodiphthera eucalypti).
Cocoon
biology
Cocoon, a case produced in the larval stage of certain animals (e.g., butterflies, moths, leeches, earthworms, Turbellaria) for the resting pupal stage (see pupa) in the life cycle. Certain spiders spin a fibrous mass, or cocoon, to cover their eggs.
This article was most recently revised and updated by Amy Tikkanen.

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