Drugstore Beetle (or Bread Beetle)

Scientific Name: Stegobium paniceum

Order & Family: Order: Coleoptera; Family: Ptinidae

Size: 2.25 mm to 3.5 mm in length

Drugstore Beetle (or Bread Beetle)

Natural Habitat

Commonly found in domestic kitchens, pantries, and commercial warehouses where dry food or organic materials are stored.

Diet & Feeding

Broad range of dried plant products including flour, bread, cereals, spices, and tea, as well as non-food items like leather, books, and dried pharmaceutical products.

Behavior Patterns

Larvae burrow into food sources to feed and eventually pupate; adults are capable of flight and are often attracted to light, though they do not feed during their adult stage.

Risks & Benefits

Considered a major pest of stored products that can cause significant contamination and economic loss; they do not bite and are not physically harmful to humans but can spoil food supplies.

Identified on: 4/16/2026