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Lesser Grain Borer

Rhyzopertha dominica

Lesser Grain Borer

The adult is a tiny cylindrical beetle found in stored cereals, grain bins, warehouses, mills, and dried plant products. It bores into whole kernels with powerful mandibles and can create large amounts of fine grain dust as it feeds and lays eggs. Adults can fly, helping them disperse between stores and infest new grain. One notable trait is the hood-like pronotum that covers the head from above, giving the beetle a tough, compact profile.

Type
Burrow
Conservation status
NE

Growth chain

  1. ?
  2. ?
  3. Lesser Grain Borer

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Range map records: GBIF.org (CC0 and CC BY). Country outlines: Natural Earth.