A group of insects which includes the bristletails and springtails, having a primitive body form without wings and no distinct larval stage. Compare with Pterygota.
- Subclass Apterygota, class Insecta (or Hexapoda): several orders, some of which are sometimes excluded from the Insecta
- In contrast to the Endopterygota, little is known about the arrangements of genes in many other lineages of insects, such as the Apterygota, the Palaeoptera, the hemipteroid assemblage, etc.
- The three groups of immediate interest are sometimes collectively called the ‘Apterygota,’ the wingless insects.
- The sub class Apterygota is divided into two orders, the microcoryphia known as dragonflies, damselflies and the zygentoma known as silverfish, fibre brats.
Modern Latin Apterygota, from Greek a- 'not' + pterugōtos 'winged'.
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