Bug Identifier
Drugstore Beetle (or Bread Beetle)
Community identification

Drugstore Beetle (or Bread 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 ubiquitous in human dwellings, particularly pantries, kitchens, and warehouses where dried food is stored.

Diet & Feeding

A wide variety of dried plant products including flour, bread, cereals, spices, dried herbs, and even non-food items like leather, books, and pharmaceutical drugs.

Behavior Patterns

They are active fliers and are attracted to light. Females lay up to 75 eggs in food sources; they have a symbiotic relationship with yeast that helps them digest complex carbohydrates.

Risks & Benefits

They are significant pantry pests that cause food spoilage and economic loss. They do not bite or sting and are not a direct health threat to humans, but infested food should be discarded.