apterygota defined in 1951 yearapterygota - apterygota (AMETABOLA);
apterygota - Sub-class of wingless insects, including orders Thysanura (bristle-tails, silver-fish), Collembola (spring-tails), and Protura. It is believed that they are primitively wingless as distinct from other wingless insects, e.g. fleas, which are derived from winged ancestors. Compare with: Pterygota.
near apterygota in Knolik
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