clothes moth
US /kloʊðz mɔθ/
UK /kloʊðz mɔθ/

1.
a small moth whose larvae feed on natural fibers such as wool, fur, and silk, causing damage to clothing and other textiles
:
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I found a clothes moth in my closet, so I need to check all my wool sweaters.
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To prevent clothes moths, store your garments in airtight containers.