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Trichoptera

Pronunciation: tri-kop'ter-a

Definition: An order of insects in which the aquatic larvae (caddis flies) construct a protective case (caddis) of bits of submerged material in a highly specific form; commonly found attached under stones in freshwater streams. The adult caddis flies, having hairy wings, shed their hairs and epithelia, causing hay fever–like (allergic) symptoms in sensitive people.

[tricho- + G. pteron, wing]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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