phylogeny is based on the works of Wipfler et al. 2019 for the Polyneoptera, Johnson et al. 2018 for the Paraneoptera, and Kjer et al. 2016 for the Holometabola. The numbers of described extant species (boldface for groups with over 100,000 species) are from Stork 2018.

Taxonomy

Early

Aristotle was the first to describe the insects

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