Description:
The adult is a small, active, brown beetle, 2-3mm long, with a flattened body and six saw-toothed projections on each side of the thorax. Similar in appearance is the Merchant Grain Beetle which has a slightly different shape to the head and thorax.

Biology:
The females live from 6 to 10 months and deposit upwards of 250 eggs in foodstuffs. Several generations may occur each year, as the life cycle requires only 3 to 4 weeks during the summer, when conditions are at their most favourable.

Control:
Controlling this pest requires careful inspection of all stored cereal foods, discarding the heavily infested material. Building fabric, machinery etc can then be sprayed using a residual insecticide.

Get in touch:

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