seed beetle

noun
any of several beetles of the family Bruchidae that infest the seeds of legumes.
Also called seed weevil.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Britannica
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seed beetle

any of some 900 species of beetles (insect order Coleoptera) whose larvae live in and feed on dried seeds. Seed beetles are oval or egg shaped, 1 to 10 mm (up to 25 inch) in length, and black or brown in colour. In adults, the abdomen extends beyond the short forewings (elytra) and the head is extended into a broad, short snout. The life cycle is typified by the pea weevil (Bruchus pisorum) and the bean weevil (Acanthoscelides obtectus), both of which occur throughout the world

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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N brevis is another seed beetle that attacks the seed capsules.
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