Bug Identifier
Drugstore Beetle
Community identification

Drugstore Beetle

Stegobium paniceum

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

Natural Habitat

Pantropical and temperate regions; commonly found in kitchens, pantries, and pharmacies where food or dried materials are stored.

Diet & Feeding

Omnivorous generalist; eats a wide variety of dried plant products including flour, bread, spices, and dried herbs, but also non-food items like books and leather.

Behavior Patterns

Adults are capable of flight and are attracted to light. They have a symbiotic relationship with yeast that allows them to survive on nutrient-poor diets. The larvae do the most damage by tunneling through food sources.

Risks & Benefits

Major stored-product pest that can contaminate large quantities of human food. They pose no direct medical risk to humans but can cause significant economic damage.