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Animals & Nature
bristletail
arthropod order
Also known as: Archaeognatha, Microcoryphia, microcoryphian
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Animals & Nature
- Related Topics:
- apterygote
- Thysanura
bristletail, (order Archaeognatha), any of approximately 350 species of primitive wingless insects that measure from 5 to 20 mm (0.2 to 0.8 inch) in length when they are fully grown and have three slender bristlelike appendages at the tip of the abdomen. Bristletails have small compound eyes and external mouthparts. Some species have scales covering the body. Young bristletails resemble adults except in size. Sexual maturity is attained in two to three years, and the life span of some species may be as long as seven years. A bristletail molts as many as 35 times during its life (three to ...(100 of 199 words)