Eliminating Cigarette Beetles from Your Pantry: A 5-Step Plan

Identify the Pest

Cigarette beetles (Lasioderma serricorne) or drugstore beetles (Stegobium paniceum) are tiny, brownish-black, hard-shelled insects that infest dry goods—cereal, spices, pet treats, etc. They often enter via dog food.

Five-Step Eradication

1. Empty and clean. Remove all items; wash shelves with soapy water; seal all cracks with silicone caulk.
2. Apply diatomaceous earth. Lightly dust shelves with food-grade DE (available at nurseries). It desiccates insects but is non-toxic to humans.
3. Bag everything. Place every non-glass, non-metal container in a resealable plastic bag.
4. Monitor weekly. After one week, check bags; discard any with beetles. Repeat at two weeks.
5. Maintain. Keep DE on shelves as a long-term barrier; return to normal storage only when confident beetles are gone.