What does caddis-fly mean?

caddis-fly meaning in General Dictionary

small moth-like insect having two pairs of hairy membranous wings and aquatic larvae

Sentence Examples with the word caddis-fly

A gnat pupa swims through the water by powerful strokes of its abdomen, while the caddis-fly pupa, in preparation for its final ecdysis, bites its way out of its subaqueous protective case and rises through the water, so that the fly may emerge into the air.

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