Sawtoothed Grain Beetle

Natural Habitat

Domestic and commercial food storage areas, mills, and grain elevators

Diet & Feeding

Stored pantry products including rice, cereals, dried fruits, nuts, and birdseed

Behavior Patterns

Long-lived beetles that do not fly despite having wings; females lay eggs in food material, and larvae feed on and contaminate the surrounding food source.

Risks & Benefits

Household pest that causes food spoilage and economic loss; non-venomous and does not bite humans, but can cause gastrointestinal distress if ingested through contaminated food.

Identified on: 5/18/2026