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

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