Protecting families from contaminated food and water
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Protecting families from contaminated food and water
Posted in Our Blog on June 27, 2026
If you have found bugs in flour, cereal, pasta, or other pantry items, you may begin to panic.
You’ve got grain weevils!
I have good news and bad news for you though.
The good news?
In most cases, these little bugs are not harmful to you. You won’t get sick eating them. Which is a good thing. Because you probably have already done so. Some experts even joke that they are “extra protein.”
The bad news?
You likely have an infestation that will quickly grow. So you will need to do something about it.
If you find bugs in flour or other pantry items, understand that it isn’t a reflection of your housekeeping skills.
It can happen to anyone.
Insects can lay their eggs at any time in the production process.
They can do this when the grain is being grown, stored, or even at the manufacturing plant. Some bugs are attracted to cardboard and lay their eggs in the crevasses where the package is glued together.
Once they are in the food package, they start the life-cycle all over again.
They are born in food. Mate. Then lay eggs of their own.
The process continues on and on until there are enough of them to catch your attention.
If this is where you find yourself, you are in luck! I have some tips to help you get rid of your pest problem and perhaps prevent future infestations from happening.
But be aware. This may take a bit of time. This is not an evening project.
Before you start, you want to be sure you have everything that you need. You don’t want to run to the store and lose your momentum in the middle of the process.
You will need:
Empty the entire pantry onto a nearby countertop or table. It is a good idea to empty the adjacent cabinets as well. You may want to wipe those down too in case you have any wandering bugs.
I suggest starting with the easy stuff. The jarred or canned food.
Pantry pests should not be able to get inside them, but it is a good idea to check the labels and expiration dates.
Small bugs may seek refuge under pulled up or loose labels. Check for insects there. If you notice insects, remove the label, wash the jar or can, and make a label of your own with masking tape and marker.
For everything else, wipe off the dust and discard any cans or jar past their expiration date.
Check every paper and cardboard package.
Even if the food does not appear to have bugs, there could be eggs just waiting to hatch.
Transfer this food to another container. Use the plastic or glass food storage containers or an appropriately sized plastic storage bag.
Discard the outer packaging, except for necessary information (like cooking directions). Cut out what you need and place that piece of cardboard or paper into a sealed plastic storage bag. You can attach it to the container or place it inside the container for future reference.
Carefully label the containers to help future you know what’s inside.
For packages with visible bugs, larvae, or eggs, you have two choices.
Your first option is to throw away the package. If the package is open and you do not have a lot left, this might be your best bet.
If you don’t mind the “extra protein” and just want to kill the bugs to keep from throwing good food away, you can opt for the freezer method.
In fact, it is a good idea to use the freezer method on all of your packaged foods, just in case there are still lurking pests.
Freezing temperatures can kill larvae and adult bugs in flour and other pantry items. Place them in the freezer at a temperature 0° F or lower for three to four days.
Inspect the food after freezing. Dead bodies will remain. It is up to you as to whether or not you want to keep and eat the food. But grain weevils are safe to consume, if you choose to save the food.
After you have sorted out all of your food containers, it is now time to clean the cabinet. Vacuum everywhere. Then immediately discard the vacuum bag in the outside trash so that those pesky pests don’t find their way back to your kitchen.
If you have shelf liners or contact paper on your shelves, it is now time to remove them. It’s a great time to replace them and refresh your pantry. Though you may want to wait to replace it until you are sure you have eradicated all of the bugs.
Wash and wipe down all surfaces. Be sure to get into the corners.
There are specialized sprays and traps designed to capture pantry pests, but good ole’ all-purpose cleaner does the trick just fine.
Let everything dry before replacing shelf coverings.
Take the trash bags directly outside. Do not pass go. Do not collect $200.
You want all of that shelf paper, paper towel waste, cardboard, and anything else you have discarded throughout this process far far away from your pantry and food.
The one good thing about this entire process, is that you can now organize your pantry. With everything pulled out and on the counter, you can mindfully put items back inside.
Grouping like-items can help you easily find what you are looking for and make meal prep less stressful.
Congratulations! You now have a clean and organized pantry!
But that doesn’t mean you are in the clear. Any eggs remaining in the packages may still hatch. Even if you use the freezer method.
If you chose tight-sealing containers, the pests should be limited to their own containers and you can freeze them to kill them, as you may have done before.
It is a good idea to continue repackaging food that comes in paper or cardboard containers for a few months.
You will want to be sure that your pest problem is solved before introducing new food to the mix.
Bringing in new bugs in flour or cereal or pasta can start the process all over again. So you may decide to make repackaging these types of food a permanent solution.
If you’d like to know more about food safety topics in the news, like “What to Do If You Find Bugs in Flour or Other Pantry Items,” check out the Make Food Safe Blog. We regularly update trending topics, foodborne infections in the news, recalls, and more! Stay tuned for quality information to help keep your family safe, while The Lange Law Firm, PLLC strives to Make Food Safe!
By: Heather Van Tassell (contributing writer, non-lawyer)