Granary Weevil
Scientific Name: Sitophilus granarius
Order & Family: Order: Coleoptera; Family: Curculionidae
Size: 3mm to 5mm
Natural Habitat
Stored grain facilities, pantries, and mills
Diet & Feeding
Whole grains such as wheat, oats, barley, rice, and corn
Behavior Patterns
Adults bore holes into grain kernels to lay eggs; larvae develop and feed entirely inside the kernel
Risks & Benefits
Major economic pest that destroys stored food supplies; no direct health risk to humans but causes significant food waste
Identified on: 2/3/2026