Weevils infest stored grains, flour, cereals, and dry goods often arriving in grocery store packaging. XtermaPro Pest Control eliminates weevil infestations and protects your pantry from re-infestation.
The grain weevil (Sitophilus granarius) and rice weevil (Sitophilus oryzae) are the most common pantry weevils in Ontario homes. They're tiny (3-4mm), elongated beetles with a distinctive snout. They breed inside whole grains, flour, rice, cereals, and dried legumes and can be present in grocery store products before they even reach your home. A female lays eggs inside individual grain kernels, making early detection difficult.
Signs of a weevil infestation:
Weevils contaminate stored food with their waste, shed skins, and dead bodies. While not a direct health hazard, infested food must be discarded. A persistent infestation can spread rapidly through a pantry, affecting multiple products. Weevils can also spread to bird seed, pet food, and decorative dried goods.
Weevil control starts with discarding all infested and suspect food items and thoroughly cleaning pantry shelves. We apply targeted insecticide treatment to cracks, crevices, and shelf surfaces, and advise on storage practices airtight containers for all dry goods to prevent re-infestation. A follow-up inspection confirms elimination.
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No. Pantry weevils including rice weevils, grain weevils, and flour weevils are not dangerous. They do not bite, carry disease, or damage the house. The concern is food contamination and the waste of tossing infested dry goods.
They were almost always in the product when you bought it. Weevil eggs are laid inside grain kernels at the processing facility and hatch weeks or months later on the shelf. This is why transferring food to glass or hard plastic as soon as you bring it home matters.
Every dry good in the pantry is inspected, infested items are bagged and discarded, and shelves are vacuumed and wiped. A residual is applied into cracks, hinges, and shelf corners. Most pantries are clear in 14 to 30 days.
Outdoor weevils like root weevils and black vine weevils feed on rhododendrons, yews, hemlock, and strawberries. That is a landscape treatment using a different approach. We treat affected plants with a targeted residual plus a soil drench for root feeders.
Store flour, rice, pasta, cereal, birdseed, and pet food in airtight containers as soon as you bring them home, inspect older packages before using, and freeze new bags of flour for 72 hours to kill any eggs. Keep an eye on forgotten corners where old boxes accumulate.
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