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Chorion

The chorion is the outer shell of an insect's egg. The chorion can consist of several layers including a waxy layer to prevent water loss. Insect eggs can be laid singularly, in egg masses or even injected into other organisms.

A photograph of eggs of the Vapourer Moth.

A photograph of eggs of the Vapourer Moth.
Photograph by Beentree licensed under Creative Commons.

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