The cocoon is the protective covering around the pupae or chrysalis of some insects - especially moths. The cocoon is usually made from silk secreted and woven by the caterpillar/larvae before it pupates inside.

Silk is arguably the most well known product from insects. Silk comes from the cocoon of silk moths. The silk is unwound from the cocoons and then woven into threads.

A photograph of a male silkworm moth (_Bombyx mori_) and two cocoons

A male silkworm moth (Bombyx mori) and two cocoons

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