Evolution of the Insect Wing from the Crustacean Limb (IMAGE)

Marine Biological Laboratory

Evolution of the Insect Wing from the Crustacean Limb

Caption

Insects incorporated two ancestral crustacean leg segments (labeled 7 in red and 8 in pink) into the body wall. The lobe on leg segment 8 later formed the wing in insects, while this corresponding structure in crustaceans forms the tergal plate.

Credit

Heather Bruce

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