Earwigs are tropical insects that can be found all over the world with the exception of the polar regions. Earwigs undergo incomplete metamorphosis. Female earwigs care for her eggs and young. The nymphs become independent when they are halfway to adulthood. The nymphs go through four to five instars (molts) before becoming an adult. Earwigs feed on fungi, decaying material, or dead insects depending on the species. They are omnivorous, but some species are ectoparasites to vertebrates. They can be found under bark or stones. They are nocturnal with antennae and forceps. There are winged and wingless varieties in the Order Dermaptera. If threatened, they emit a fluid with a terrible odor to ward off potential predators. Earwigs can be found in the fossil record as far back as the Jurassic.
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