Refuge-seeking-behavior

Guides

• Cryptolestes ferrugineus

  rusty grain beetle, rust-red grain beetle

  Cryptolestes ferrugineus, the rusty grain beetle, is a small lined flat bark beetle and major cosmopolitan pest of stored grain products. Native to Europe, it has achieved worldwide distribution through human commerce, infesting stored cereals, grain products, and dry plant materials. The species is characterized by rapid population growth, strong flight capability for dispersal between storage facilities, and cryptic behavior hiding in cracks and crevices. Its economic impact stems from direct feeding damage to grain germ and endosperm, contamination of products, and resistance to some insecticides.

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