
Community identification
Sawtoothed Grain Beetle
Oryzaephilus surinamensis
- Order & Family
- Order Coleoptera; Family Silvanidae
- Size
- 2.5 mm to 3 mm (approximately 1/10 to 1/8 inch)
Natural Habitat
Found globally in pantries, kitchens, grain elevators, and warehouses where dried food is stored.
Diet & Feeding
Stored dried food products including flour, cereal, pasta, chocolate, nuts, seeds, and dried fruit.
Behavior Patterns
They are highly active crawlers but do not fly. They can squeeze into very small crevices in food packaging due to their flattened bodies; females lay eggs directly in food sources.
Risks & Benefits
They do not bite or sting and do not carry diseases, but they are a major pest that causes food spoilage and economic loss.