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Trichopterygidae

plural noun
Tri·​chop·​ter·​yg·​i·​dae

Definition of Trichopterygidae 

: a family of clavicorn beetles having 3-jointed tarsi and the wings fringed with long hairs and including the smallest beetles known

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History and Etymology for Trichopterygidae

New Latin, from Trichopteryg-, Trichopteryx, type genus (from trich- + -pteryx) + -idae

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