Sawtoothed Grain Beetle

Natural Habitat

Commonly found in pantries, food storage areas, mills, and warehouses. Can infest homes and food processing facilities worldwide. Prefers warm and humid conditions.

Diet & Feeding

Feeds on a wide variety of dry goods including grains, flour, cereals, pasta, dried fruits, pet food, and chocolate. Does not feed on whole grains but on broken or processed products.

Behavior Patterns

They are nocturnal and avoid light. They are attracted to warmth and moisture. Found in dark, secluded areas during the day. Move quickly when disturbed. Females lay eggs directly on food sources.

Risks & Benefits

Risks: Major stored product pest, causing significant economic damage by contaminating food products, making them unpalatable and unsuitable for consumption. Can lead to allergies in sensitive individuals. Benefits: No known direct benefits to humans or ecosystems, primarily considered a pest.

Identified on: 8/16/2025