Bug Identifier
Sawtoothed Grain Beetle
Community identification

Sawtoothed Grain Beetle

Oryzaephilus surinamensis

Order & Family
Coleoptera: Silvanidae
Size
2.5 mm to 3 mm in length
See this bug in the Encyclopedia

Natural Habitat

Found globally in pantries, kitchens, food storage facilities, and grocery stores where grains are kept.

Diet & Feeding

Stored dried food products including flour, cereals, bread, pasta, dried fruit, nuts, and spices.

Behavior Patterns

They are highly mobile, flat-bodied insects that can crawl into tiny cracks in food packaging. They do not fly. Female beetles can lay up to 400 eggs in food sources over their lifetime.

Risks & Benefits

They are a common household pest that causes food spoilage and economic loss. They do not bite or sting humans and are not known to spread diseases, but infested food must be discarded.