A moth caterpillar that constructs and carries a protective case made of silk and plant material that resembles a small bag.
Compound of 'bag' and 'worm'. The name describes the caterpillar's most distinctive behavior: building and living in a portable protective bag.
Bagworms are tiny architects—they engineer their own custom homes from available materials, like caterpillar tiny-home builders, and can't survive outside their bags.
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