Drugstore beetles are small, reddish-brown pantry pests that can infest flour, cereal, pasta, spices, pet food, bird seed, and other stored goods. If you are looking for how to get rid of drugstore beetles, start by finding the infested product, throwing it away, and thoroughly cleaning the surrounding shelves and crevices.
Check opened and unopened packages for tiny holes, adult beetles, larvae, or loose food debris. Drugstore beetles can damage paper, cardboard, and some thin packaging, so a package does not have to be open for pests to reach the food inside.
This article walks you through exactly how to get rid of them and how to keep them from coming back.
Key Takeaways
- Drugstore beetles commonly infest dry foods such as flour, cereal, spices, pet food, and bird seed. Finding and removing the infested source is the first step.
- Throw away contaminated products, then vacuum and clean nearby shelves, corners, and crevices where larvae or food debris may remain.
- Store dry goods in airtight containers, rotate older food, and keep storage areas dry to reduce the chance of another infestation.
- If beetles continue appearing after a thorough cleanup, a professional inspection can help locate a hidden source.
1. Identify Drugstore Beetle Infested Food Sources
Start by checking every food item in your pantry. Drugstore beetles can chew through cardboard, paper, and even thin plastic containers. That means nothing is safe, not even unopened foodstuffs.
You’ll often find beetle larvae, which look like tiny grubs, nestled inside packages of flour, dried food, or cereal. If you see adults, assume there are more hiding in nearby food storage areas.
It’s also a good idea to check for cigarette beetles, which are similar in appearance and behavior. While they’re technically different types of beetles, they often show up in the same kinds of environments.
2. Throw Out Contaminated Food Items Immediately
Any infested food needs to be thrown away. Bag the product and take it outside right away instead of leaving it in the kitchen trash. This helps keep larvae from moving into nearby cracks or other stored products.
This is especially helpful if beetles have reached pet food or bird seed, which can sit undisturbed for long periods.
3. Clean and Vacuum All Crevices and Food Storage Areas
Beetles and beetle larvae can hide in tight spaces. Vacuum every shelf, crack, and corner, especially crevices in wooden shelving and cabinet joints. Use a narrow vacuum attachment to reach small gaps.
After vacuuming, scrub the storage surfaces with hot, soapy water. This removes food particles and debris that could remain after the infested package is gone.
4. Don’t Forget Non-Food Areas
LaJaunie’s technicians have found drugstore beetles in spice drawers, behind wall outlets, and even in medicine cabinets. That is why your inspection should go beyond flour, cereal, and other obvious pantry foods. Check storage bins containing pet kibble, bird seed, spices, and other dry materials.
In South Louisiana homes, garages and utility rooms also deserve attention. Warm, humid storage areas can hold forgotten bags of pet food, bird seed, or dry goods for months, giving beetles an undisturbed food source. Homes in places such as Thibodaux, Houma, New Orleans, Baton Rouge, and other southeastern Louisiana communities can experience these conditions for much of the year.
Even cardboard boxes in the garage should be checked if they contain food residue or dry organic material.
5. Set Traps to Track Remaining Beetles
Once everything is cleaned, pheromone traps can help you monitor lingering adult drugstore beetles. These traps use attractants to draw adults in, while sticky traps placed nearby can help show whether beetles are moving beyond the pantry.
Traps are useful for monitoring, but they do not replace source removal. If traps continue catching beetles, inspect nearby food packages, pet supplies, storage bins, and less obvious areas again.
Prevent Future Drugstore Beetle Infestations
If you have already dealt with a drugstore beetle infestation, prevention comes down to a few practical changes around your pantry and other food-storage areas.
South Louisiana’s climate can make pantry pest prevention an ongoing task. NOAA climate normals show that southeastern Louisiana experiences long periods of warm weather, high moisture levels, and relatively mild winters.
Regular pantry checks are especially useful. Indoor heating and cooling can also keep temperatures steady enough for stored-product pests to remain active outside the hottest months, so prevention should not stop when summer ends.
Store Food in Airtight Containers
One of the simplest ways to prevent pantry pests is to store dry goods in airtight containers. Replace paper and cardboard packaging with sturdy food-storage containers, glass jars, or metal tins when practical. This makes it harder for beetles to reach food and helps contain an infestation if a product was already affected when you brought it home.
Freeze Dry Goods Before Storing
When you bring home dry goods such as flour or rice, freezing them for four to five days can kill beetles, larvae, and eggs already inside the package. This can be especially helpful for products you plan to store for a long time.
Rotate Food Sources and Avoid Long-Term Storage
Do not let old food sit forgotten in the pantry. Use older items first, check expiration dates, and avoid overstocking food you will not use soon.
If you keep emergency supplies, pet food, or bird seed, store them in sealed containers and check them regularly.
Keep Pantry Humidity Low
Warm, humid storage areas can create favorable conditions for many pantry pests. In Louisiana, garages, utility rooms, and pantries near exterior walls may hold more moisture than the main living areas.
Use ventilation or a dehumidifier if a storage space stays damp, and address leaks or other moisture problems when you find them.
Seal Cracks, Crevices, and Wall Voids
Drugstore beetles can move through very small gaps. If you are seeing them in more than one room, inspect cracks around cabinets, trim, outlets, and nearby wall openings. After removing the infestation source, seal accessible gaps with caulk or another suitable sealant to reduce hiding places and movement.
When Professional Beetle Control Makes Sense
Sometimes removing infested food and cleaning the pantry is not enough, especially if beetles continue appearing several weeks later or start showing up in other rooms. In those cases, a professional inspection can help identify an overlooked food source or activity in cracks and storage areas.
At LaJaunie’s Pest Control, we don’t just spray and leave. Our team takes a full-scale approach. We inspect food-storage areas, cracks, crevices, and other places where beetle activity may continue. Beetle control is covered under the company’s general pest services, with treatment based on the type of beetle and the extent of the problem.
We also offer same-day beetle control service for homes in places like New Orleans, Thibodaux, and Baton Rouge. Call us or book online for expert pest management, done the LaJaunie’s way.
Getting Rid of Drugstore Beetles: FAQs
What kills drugstore beetles?
The most effective way to get rid of drugstore beetles is to remove the infested food or stored material they are breeding in. Throw contaminated products away, vacuum shelves and crevices, and clean the surrounding area. Freezing suitable dry goods can also kill beetles, larvae, and eggs inside packages.
Are drugstore beetles harmful?
Drugstore beetles do not bite or sting people, but they can contaminate stored foods and damage packaging. If you find beetles or larvae inside flour, cereal, spices, pet food, bird seed, or other dry goods, throw the affected product away rather than trying to save it.
Where do drugstore beetles come from?
Drugstore beetles often enter homes inside an already infested food or packaged product. Once indoors, they can spread to nearby dry goods. Check flour, grains, spices, pet food, bird seed, and older pantry items when you first notice adult beetles.
Can drugstore beetles live outside the pantry?
Yes. LaJaunie’s technicians have found them in spice drawers, around wall outlets, medicine cabinets, storage bins, and garages. If beetles continue appearing after you clean the pantry, inspect pet food, bird seed, stored dry goods, and nearby rooms for another source.
How long does it take to get rid of drugstore beetles?
The timeline depends on whether you find every infested source. Once contaminated products are removed and the area is cleaned, activity should begin to decline. If beetles keep appearing for several weeks, another infested product or hidden source may still be present.
