Sawtoothed Grain Beetle

Natural Habitat

Found in stored food products such as grains, cereals, nuts, dried fruit, flour, pet food, and spices. Often associated with pantries, mills, and food processing facilities.

Diet & Feeding

Feeds on a wide variety of dried food products, including damaged grains, flour, pasta, cereal, nuts, dried fruits, pet food, and chocolate. It cannot feed on whole, undamaged grains.

Behavior Patterns

These beetles are highly mobile and can quickly infest food products. They are often found in cracks and crevices in pantries or storage areas. They are known for their distinctive saw-like projections on the sides of their thorax. They can reproduce rapidly under optimal conditions.

Risks & Benefits

Potential risks include significant damage and contamination of stored food products, leading to economic losses and potential health concerns if infested food is consumed. They do not bite or transmit diseases but are a common pantry pest. No known benefits.

Identified on: 10/18/2025