Granary Weevil Facts & Informatino

Protect your home or business from granary weevils by learning techniques for identification and control.

Sitophilus granarius
5 mm
Brown color
Pitted pattern on head

Treatment

How do I get rid of granary weevils?

What Orkin Does

Your local Orkin technician is trained to help manage granary weevils and similar pests. Since every building or home is different, your Orkin technician will design a unique program for your situation.

Orkin can provide the right solution to keep granary weevils in their place…out of your home, or business.

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Behavior, Diet & Habits

Understanding Granary Weevils

Appearance

Granary weevils are typically brown in color and measure up to 5 mm in length. They feature highly pronounced pitted patterns on their heads. They are equipped with vestigial wings and are incapable of flight. They are similar in appearance to rice weevils, although their wings exhibit no spotting.

Behavior

Commonly called the granary weevil, the wheat weevil is best known for its destructive potential in agricultural communities. Since they are unable to fly, granary weevils prefer stored grains over those found in fields. When disturbed, the granary weevil adults often play dead.

Reproduction

Using their plump mandibles, females puncture grain kernels in order to deposit eggs. Eggs hatch into larvae, whose nutrition is secured by the content of the kernels. Pupae emerge within five weeks and mature within five months.

Signs of Infestation

Sightings of adults and their exit holes from the grains indicate activity.

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