Firebrat

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Silverfish - common name for primitive, wingless insects of the family Lepismatidae. The silverfish, which has two long antennae and three long tail bristles, is named for its covering of tiny, silvery scales. It ...

The silverfish, bristletails, firebrats
Thysanurans undergo ametabolous metamorphosis, passing through egg, young and adult stages. Each new immature stage resembles the previous one in body form, only that it is larger.