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  • Having trouble with stored products pests?

    Having trouble with stored products pests?

    Depending on the species of stored product pest, our licensed technicians can assist you with a flexible, tailored pest control solution to meet your needs in your home or workplace.
    Call us now on (02) 4567 8976 to see how we can help you.

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

Granary Weevil

Sitophilus Granarius
  • Granary Weevil
    Granary Weevil
Dark brown-black in colour. It is about 2.5 - 5 mm in length. They possess a long slender snout and cannot fly. In the larval stage the weevils are legless, humpbacked, white to creamy white, with a small, tan head. Weevils in the pupa stage have snouts like the adults.
The Granary Weevil is among the most destructive of all stored grain insects. The larvae develop inside kernels of whole grain in storage. This makes an infestation difficult to remove in the milling process.

Most of their life is spent within the grain kernel. Both larvae and adults feed on grain. Grain weevils will also attack hard cereal products, e.g. macaroni and spaghetti.

The egg, larva, and pupa stages of these weevils occur in the grain kernels and are rarely seen. Emergence holes of the granary weevil are fairly large and tend to be more ragged than smooth and round. Females drill a tiny hole in the grain kernel, deposit an egg in the cavity, then plug the hole with a gelatinous secretion. The life cycle is about 30 to 40 days during the summer, and 123 to 148 days during the winter, depending on temperature.
FOR A FREE QUOTE - Call as now (02) 4567 8976 or contact us

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