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Confused Flour Beetle

Tribolium confusum


  • Adult — 1/8"–3/16" in length. Eyes are wider apart (as seen from the underside) than T. castaneum (below). Antennae broaden gradually to the tip. Red–brown in colour.
  • Larva — Whitish to yellow–brown, 1/32" – 3/16" long. 3 pairs of legs and active. Moults 7–8 times. Preference for clean flour. Pupates in foodstuffs.


  • About 20 days at 35°C, 45 days at 25°C. Adults may live for up to 6 months.


  • Can fly but rarely does so.
  • Feeds on flour and cereal products.

Controlling Insects that attack Food Products