Sawtoothed Grain Beetle

Natural Habitat

Commonly found in kitchens, pantries, food warehouses, and grocery stores. They can infest homes through contaminated food packages and thrive in warm, humid conditions.

Diet & Feeding

Primarily feeds on stored dry food products such as grains, flours, cereals, pasta, dried fruits, nuts, and pet food. They cannot feed on whole, undamaged grains.

Behavior Patterns

They are nocturnal and prefer dark, secluded places. They are known for their ability to chew through packaging to get to food sources. They tend to infest pantries and food storage areas, often found in large numbers once established. Females lay eggs directly in or near food sources.

Risks & Benefits

Potential Risks: Known as 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: No direct benefits to humans or ecosystems are typically associated with this pest, as their primary impact is negative within human environments.

Identified on: 8/15/2025