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Pest Problems? Call us now (02) 4567 8976 or contact us

Saw Toothed Grain Beetle

Oryzaephilus Surinamensis
  • Saw Toothed Grain Beetle
    Saw Toothed Grain Beetle
Adult is brown and is approximately 3 mm. Mature larva is yellowish white. Adult has a flattened body. Wings are present, developed, but they do cannot fly.
The saw-toothed grain beetle is one of the most common insects in stored grain and cereal products.

The larvae develop in flour, cereal products, and many other dried foods, including grains, cereals, bread, pasta products, dried meat, dried fruit and nuts, sugar, chocolate, candy, tobacco products and drugs. A common pest not only in grain bins, but also, mills, processing plants, warehouses, and kitchens. In grain bins, it feeds on broken kernels and grain residues. The beetles can chew through sealed packaging such as cardboard boxes, plastic bags and foil wrappings.

The female lays eggs singly or in small batches in the food product. She lays about 200 eggs in her lifetime. Eggs hatch after about 8 days. The life cycle takes about 35 days and the larvae feed in the top few centimetres of the food stuff. Adults usually live around 6 to 10 months.
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