Bug Identifier
Granary Weevil (or Rice Weevil)
Community identification

Granary Weevil (or Rice Weevil)

Sitophilus granarius

Order & Family
Order: Coleoptera, Family: Curculionidae
Size
3mm to 5mm (approximately 1/8 to 3/16 inch)
See this bug in the Encyclopedia

Natural Habitat

Pantries, grain storage facilities, warehouses, and homes where dried grains are stored.

Diet & Feeding

Larvae feed inside whole grains (wheat, corn, rice); adults feed on the same grains and some processed grain products.

Behavior Patterns

Internal feeders where females excavate a hole in a grain kernel to lay a single egg; the larva develops entirely within the seed before emerging as an adult.

Risks & Benefits

A major agricultural and household pest that destroys stored food supplies; they pose no direct health risk to humans but cause significant economic loss.