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Rust-red flour beetle (Tribolium castaneum)

Biology:

The rust-red flour beetle is coloured light red-brown and reaches a body length of 3 to 4 mm. Rust-red flour beetle females lay their eggs loosely on the infested material. The slender, freely mobile larvae grow to a length of 6 to 8 mm and are whitish to yellow-brown. These animals do not tolerate cold temperatures well.
Besides the rust-red flour beetle, the confused flour beetle (Tribolium confusum), which is very similar to it as to appearance, habitus and damage, also occurs frequently.

Damage:

Tribolium flour beetles have a broad nutritional spectrum including plant products such as flour, flour products, pasta, nuts, dried fruit, copra, etc. Both larvae and beetles cause feeding damage. Infested product gives off a very unpleasant odour. The rust-red flour beetle is a frequent flour mill pest.

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