Bug Identifier
Drugstore Beetle
Community identification

Drugstore Beetle

Stegobium paniceum

Order & Family
Order: Coleoptera; Family: Ptinidae
Size
2.25 mm to 3.5 mm in length
See this bug in the Encyclopedia

Natural Habitat

Pantropical and temperate regions; commonly found in kitchens, pantries, and warehouses where dried foods are stored.

Diet & Feeding

Generalist feeders on dried plant products including spices, flour, bread, cereal, and pharmaceutical drugs; also known to eat non-food items like leather and wool.

Behavior Patterns

Adults are capable of flight and are attracted to light. Females lay eggs on food sources, and larvae tunnel through the material as they feed. They have a symbiotic relationship with yeast that helps them digest low-nutrient materials.

Risks & Benefits

A major pest of stored products that can contaminate food through excrement and silk; they pose no health risk to humans or pets through biting or stinging, but infested food should be discarded.