pterygota defined in 1951 yearpterygota - pterygota (METABOLA);
pterygota - Sub-class of insects including all except a few primitively wingless forms (Apterygota). Some members of the Pterygota are wingless (e.g. fleas) but are believed to have been derived from winged ancestors. Compare with: Apterygota, Endopterygota, Exopterygota.
near pterygota in Knolik
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