Sawtoothed Grain Beetle

Natural Habitat

Commonly found in stored food products, pantries, grain storage facilities, and food processing plants. They prefer warm, humid environments.

Diet & Feeding

They feed on a wide variety of stored dry food products, including grains, cereals, pasta, dried fruits, nuts, chocolate, pet food, and spices. They do not feed on whole, undamaged grains but prefer broken kernels or processed foods.

Behavior Patterns

These beetles are highly mobile and can quickly infest food sources. Adults are long-lived and can reproduce quickly under favorable conditions. They are active crawling insects and do not fly frequently. Females lay eggs directly into food products.

Risks & Benefits

Potential risks: They are a significant pest of stored food products, causing contamination and economic losses. They do not bite or sting humans, and are not known to transmit diseases. Potential benefits: None known for humans; they are primarily considered a pest.

Identified on: 10/7/2025