Bug Identifier
Sawtoothed Grain Beetle
Community identification

Sawtoothed Grain Beetle

Oryzaephilus surinamensis

Order & Family
Order: Coleoptera, Family: Silvanidae
Size
Approximately 2.5-3.5 mm (0.10-0.14 inches) in length
See this bug in the Encyclopedia

Natural Habitat

Primarily encountered in human environments, especially in pantries, food processing plants, and warehouses where stored products are present. They prefer warm, humid conditions.

Diet & Feeding

Omnivorous, feeding on a wide variety of dried food products, including grains, cereals, pasta, nuts, dried fruits, pet food, and even chocolate.

Behavior Patterns

Commonly found in stored food products, where they feed and reproduce. They are quite active and can move quickly. Adults typically live for several months. Females lay eggs in or near food sources.

Risks & Benefits

Potential Risks: They are a common pest of stored food products, leading to contamination and economic losses due to spoilage. They do not bite or sting humans and are not known to transmit diseases. Potential Benefits: None significant for humans; in natural environments, they contribute to decomposition processes, but their primary interaction with humans is as a pest.