Drugstore Beetle

Natural Habitat

Worldwide distribution, commonly found in domestic pantries, granaries, and museums where dry organic matter is stored.

Diet & Feeding

Polyphagous; they feed on a wide variety of dried plant products including flour, bread, spices (like paprika), coffee beans, and even non-food items like leather, books, and pharmaceutical drugs.

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 foods. The life cycle can take several months depending on temperature and food quality.

Risks & Benefits

Significant economic pest of stored products. They can contaminate food supplies and damage historical documents or collections. They pose no direct medical risk to humans but can cause substantial financial loss through food spoilage.

Identified on: 5/23/2026