Flour Beetle

Tribolium castaneum & Tribolium confusum


The insects are about 3-4 mm and reddish-brown in colour. The confused flour beetle and the red flour beetle are similar in appearance and habits. Adult confused flour beetles have the antennae gradually enlarged toward the tip; the antennae of the red flour beetle have the last three segments abruptly enlarged. Confused Flour Beetle (Tribolium confusum) cannot fly, but Rust Red

Flour Beetle (Tribolium castaneum) may fly. In addition, the eyes (when viewed underneath) of T. confusum are separated by a space equivalent to three times the diameter of the eye, whereas in T. castaneum, this gap is less than two times the diameter.

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Flour Beetle



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