Drugstore Beetle / Cigarette Beetle

Scientific Name: Stegobium paniceum / Lasioderma serricorne

Order & Family: Order: Coleoptera; Family: Ptinidae

Size: 2.0 mm to 3.5 mm in length

Drugstore Beetle / Cigarette Beetle

Natural Habitat

Commonly found in domestic kitchens, pantries, pharmacies, and food warehouses worldwide.

Diet & Feeding

A wide variety of stored dried products including flour, spices, dry pet food, cereals, tobacco, and even non-food items like leather or books.

Behavior Patterns

Adults are capable of flight and are attracted to light. They undergo complete metamorphosis; larvae do the most damage by tunneling through food sources and leaving silken cocoons.

Risks & Benefits

Primarily a nuisance pest that causes economic damage by contaminating stored food products. They pose no direct physical risk to humans but can lead to significant food waste.

Identified on: 6/19/2026