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
Found worldwide, particularly in pantries, kitchens, warehouses, and locations where dry organic material is stored.
Diet & Feeding
A wide variety of dry stored products including flour, crackers, spices, tobacco, dried fruit, seeds, and even non-food items like book bindings and leather.
Behavior Patterns
Adults are active flyers and attracted to light; they do not feed. Larvae are the primary stage that consumes and contaminates food through tunneling and leaving debris. They exhibit a complete metamorphosis (egg, larva, pupa, adult).
Risks & Benefits
Primarily a household and commercial pest. Risk: They cause significant economic damage by contaminating food supplies with feces and cocoons. Benefits: None mentioned, as they are considered highly invasive pests in human environments.
Identified on: 2/16/2026