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Drugstore Beetle (Stegobium paniceum)
Identify it, prevent it, and know when to call. A South Florida guide from Pro-Spray.
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What Is a Drugstore Beetle?
The drugstore beetle earned its name because it was found feeding on dried plant medicines in old drugstores. Today it's one of the most common "tiny brown bugs" in kitchen pantries. It feeds on an amazing range of dry goods, from flour and spices to pet food, dried herbs and even book bindings.
How to Identify Them
Adults are tiny, reddish-brown and oval. From above, their head is hidden under a hood-like section of the thorax. Close up, you'll see fine rows of grooves along the wing covers. They often show up on windowsills because they fly toward light.
Common look-alikes:
- Cigarette beetle: very similar, but with smooth wing covers and saw-toothed antennae.
- Rice weevil: has a long snout. See rice weevil.
Life Cycle and Habits
Females lay eggs in dry food. Larvae feed inside the product, then pupate there. Adults chew small round exit holes and can bore through paper and thin cardboard packaging.
Signs
- Tiny brown beetles on windowsills, counters or in cabinets
- Small round holes in packaging
- Powdery food or beetles in spice jars, flour or pet food
Is it dangerous?
- Property damage
- Contamination
Contaminate and damage stored foods; can bore through packaging.
Why They Show Up Here
They usually arrive in infested products. Warm homes let them breed year-round, and long-stored items like spices and dried flowers are common sources.
How to Get Rid of Them
- Inspect all dry goods, including spices, herbs, teas, pet food and decorations made of dried plants.
- Throw out infested items in sealed bags outside.
- Vacuum and wipe shelves.
- Store food in sealed glass or hard plastic containers.
How Pro-Spray Helps
We help locate the source and treat cracks and crevices in pantry areas where beetles hide, along with sanitation guidance.
The Spice Cabinet Problem
Spices are one of the most common hiding spots for drugstore beetles because jars and tins often sit for years. Paprika, chili powder, turmeric, dried herbs, tea and baking mixes are frequent sources. When you're tracking down an infestation, open every container in the cabinet and look for tiny beetles, small holes or fine powder around the lid. Don't forget items outside the kitchen: dried flower arrangements, potpourri, decorative gourds, herbal supplements, bird seed, dry dog and cat food and rodent bait purchased at the store can all host them. One overlooked bag in the garage can keep re-infesting the pantry.
Freezing and Storage Tips
If you buy flour, grains or spices in bulk, putting them in the freezer for several days after purchase can help kill any hidden stages. Afterward, store them in airtight glass or hard plastic containers. Buy spices in smaller amounts you'll use within a reasonable time, and label containers with the purchase date so older items get used first.
Pet Food and Bird Seed
Large bags of pet food and bird seed are a frequent source of pantry beetles in South Florida homes, especially when stored in a warm garage. Transfer them into sealed bins and keep the bins off the floor.
A good rule: if a dry product has been in the cabinet longer than you can remember, check it first.
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Then stay protected with our $125 quarterly pest control plan, about $42/month.
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Frequently Asked Questions
What are the tiny brown bugs in my pantry?
Can they get into sealed packages?
Are they harmful to eat?
Why are they on my windowsill?
Reviewed October 2026 by Pro-Spray's family-run team
Pests don't wait.
Protect your home today.
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