How To Get Rid Of Flour Mites And Weevils?

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Flour mites and weevils are two common kitchen pests. But how to get rid of flour mites and weevils. They can infest pantry staples such as flour, sugar, and baking powder. They can cause a lot of damage to these items.

They are small brown beetles that typically live in grains and flour. They can cause significant damage to food supplies and be difficult to get rid of.

They thrive in dark and humid conditions, so keep your countertops, cabinets, and pantry clean and dry. If you do find tiny bugs in your flour, don’t panic! There are several ways to get rid of them.

Though it is not the most common pest, an infestation of flour mites or weevils can be a real problem. This article will provide some tips and guidance on how to deal with the situation.

What do flour mites look like?

How to Get Rid of Flour Mites and Weevils

Flour mites are small, almost invisible mites found in flour. They are similar to weevils but are smaller in size, ranging from 0.33 to 0.66 mm. Flour weevil is an entirely different pest that can also be found in flour and is larger than the flour mite.

In addition, flour mites are tiny and off-white bugs that infest flour and grains in the pantry and storage. They have brownish or pinkish legs, which their minty smell can detect. They are also easy to miss with normal eyesight.

What do weevils look like?

Sugar beet weevil (Asproparthenis punctiventris formerly Bothynoderes punctiventris). It is an important pest of beet crops.

Weevils are easier to spot as they are larger flour mites. They have a distinctive snout-shaped nose and are between 3mm and 10mm long. Their body is brown, being dark brown.

Baby weevils are also small, brown bodies found in various food items. They generally enter the food through cracks and crevices and lay their eggs inside. Once hatched, the larvae feed on the product, causing major damage.

Does flour attract bugs?

The food pest red flour beetle Tribolium castaneum in wheat flour

Flour mites and flour beetles are two different types of bugs that can infest your home. Flour mites are tiny and feed on grains’ broken bits and dust. They are brought into homes with infested products and can be very difficult to get rid of.

On the other hand, flour beetles are a little larger than flour mites and feed on grains, flours, cereal, pasta, etc. They are attracted to the packaging as well as the food itself.

Where do flour bugs come from?

Cricket powder insect for eating as food items made of cooked insect meat in bowl and wood spoon on white background it is good source of protein edible for future. Entomophagy concept.

Flour bugs, or kitchen mites, are tiny creatures that live in flour, cereal, and other stored food products. They lay many eggs, which can hatch and cause an infestation. If you have a flour bug problem, the best way to get rid of them is to identify where they are coming from.

Take steps to prevent them from entering your home. Other factors such as heat increase the reproduction rate of kitchen mites and weevils.

How to Get Rid of Flour Mites and Weevils? (Flour Bugs)

Weevils on grains of rice

You can do a few things to prevent flour mites and weevils from taking over your pantry. 

Toss Out the Flour

The least exciting way is to toss the affected flour or grain away. If you have more than 5 lbs of flour in your compost bin, you risk them spreading and infesting other areas. You can also freeze the flour for a few days or use a food dehydrator to kill eggs or larvae.

Keep Containers and Food Source Sealed

Weevils and other pests can enter dry goods if the storage containers are not airtight or well-secured. It will prevent any weevils from entering and spreading.

You can use various methods to keep your containers sealed, such as zip-lock bags, airtight containers, or even vacuum sealing.

Clean the Pantry Shelves, Cabinets, and Cupboards

To keep pests like flour mites and weevils from taking over your pantry, it is important to regularly clean your shelves and storage areas. It means completely clearing the shelves of all items and dusting off any particles that may be hiding them.

You can then use a spray bottle of white vinegar or eco-friendly sanitizing wipes to finish the job.

Freeze the Flour

If you find that your flour has been infested with weevils, you can freeze it for a few days to kill the eggs. Keep in mind that freezing will not remove the eggs from the flour, and you can still cook with it without the worry of getting sick.

Unfortunately, at this time, there is no surefire way to get rid of eggs from flour completely- your best bet is to freeze it and hope for the best.

Bulk Purchasing Goods

It’s important to remember not to overdo bulk-purchasing when getting rid of flour mites and weevils. If you’re not going to use all the flour in the 40lb bag, store it in a sealed container or ziplock bag. It will help keep out any pests trying to invade your flour supply.

Buy From Trusted Sources

When it comes to getting rid of flour mites and weevils, one of the most important things you can do is buy from trusted sources. Flour weevils enter your pantry already in the bag, so you must shop from stores and vendors you trust for peace of mind and quality assurance.

Additionally, make sure to inspect any flour products before purchase and keep an eye out for any signs of infestation when storing flour products at home.

Professional Pest Control

For serious or ongoing, long-term infestations of weevils, contact an exterminator. Weevils are a type of beetle that can cause significant damage to crops and other stored items.

If you have a long-term infestation of flour mites or weevils in your home or pantry, it is best to contact an exterminator for assistance.

Can weevils get into sealed packages?

Macro Photography of Rice Weevil or Sitophilus oryzae on Raw Rice

Weevils and flour mites are a common problem for many people. These pests can get into sealed packages, chew their way into cardboard boxes and plastic bags, and even jump inside when there is no lining. 

Are flour beetles harmful?

Flour beetles and weevils are tiny brown bugs in flour, cereal, and other food products. While they may look harmful, they are harmless and won’t hurt you if you eat them. However, they can cause damage to these products by eating away at the grains. 

Are weevils in flour harmful?

The Mediterranean flour moth or mill moth (Ephestia kuehniella) is a moth of the family Pyralidae. It is a common pest of cereal grains, especially flour. This moth is found throughout the world, especially in countries with temperate climates. It prefers warm temperatures for more rapid development, but it can survive a wide range of temperatures.

Yes, flour bugs (a.k.a weevils) exist, and they can cause a lot of damage to your flour and the food you make with it.

Nobody wants to eat dry food and bread made out of flour that the flour bug has damaged. The best option is to discard damaged flour if it has a nasty odor or brown spots.

Are flour weevils safe to eat?

Flour mites and weevils are tiny creatures that are found in flour. While they may look harmful, they are harmless and will not cause any damage to your health if ingested. It’s unlikely that you would even notice them if you ate them!

That said, flour is safe for use even if these creatures contaminate it. Baking flour at high temperatures will kill any flour mites present and make the flour safe to consume. However, if you are allergic to flour mites, it is best not to consume flour.

Is it safe to use flour with weevils?

Yes, it is safe to use flour with weevils. While there are some risks associated with consuming flour that has been infested with mites and weevils, they are rare. In most cases, people only experience mild symptoms such as an itchy throat or skin.

However, it can make the throat swell and make breathing difficult in rare cases. It is possible to be allergic to mites, which make the skin itch and, in rare cases, cause swelling of the throat and difficulty breathing.

How to get rid of weevils in the pantry?

Beetle Cryptophagus of the family Cryptophagidae, the silken fungus beetles, pests of some stored products as dried mushrooms and grain.

The first thing is to move all food products to an outside garbage can or freezer. It will kill the weevils and stop them from breeding. It would help if you also cleaned up any old spills on the counter or floor, as these provide a hospitable environment for the pests.

Use bleach. Wear gloves and goggles while working with bleach so you don’t get the bleach in your eyes or skin. Another way is to wipe down the shelves with a cleaning solution and then do a final wipe with a rag or paper towel.

How to get rid of grain weevils?

To get rid of flour mites and grain weevils, it is important to identify them. Cleaning up spilled flour and grains, keeping food in airtight containers, and freezing new food are good practices. If you find that you have an infestation, it is best to call a professional exterminator.

How to get rid of corn weevils?

The first is to stop the corn weevils infestation at its source by eliminating any larvae or eggs. You can also keep packets of flour in the freezer for four days, which will kill any present mites or weevils.

If you have an infestation, checking the flour packet for mites or weevils before using it will stop further infestation.

How to get rid of boll weevils?

To get rid of boll weevils, use these solutions:

  • One is to vacuum them up, which will eliminate most of them. 
  • You can also lay traps around the house, such as sticky cards or tape, to catch any stragglers. 
  • If these methods don’t work, you can try using an insecticide like malathion 57%. 
  • The boll weevil invader only needs to be killed by the malathion, not humans.

How to get rid of granary weevils?

Granary weevils are a common pest that can infest grains and other food products. They can cause significant damage to crops and goods.

The primary means of controlling weevils is through preventative steps, such as cleaning bins, treating them before loading in grains, and properly storing goods.

How to get rid of wheat bugs?

To get rid of wheat bugs, use these solutions:

  • One is to wipe down the shelves with white vinegar; the acid will kill the bugs. 
  • The most important step is to discard any infested items. 
  • You can also vacuum your pantry shelves and cracks and crevices. Finally, you can use a pesticide or insecticidal dust. 
  • Another is to dispose of all garbage and vacuum bags outside so the bugs can’t escape and re-infest your home.

How to keep weevils out of flour?

Larva of grain beetle Cryptolestes ferrugineus is a beetles of the family Laemophloeidae (lined flat bark beetles), known as economically important pests of stored products.

Weevils are a type of insect that can infest food. They are commonly found in the pantry and can cause a lot of damage to food products. There are six steps you can take to help prevent weevil infestation in your home:

  • Keep your kitchen and pantry clean.
  • Seal possible entry points in your house.
  • Check foods you buy for signs of weevil infestation.
  • Repellent can help to keep them away. 
  • Throw infested food packages
  • Store food in airtight containers. 

How to get rid of weevils in the kitchen?

There are a few ways to get rid of weevils in the kitchen. The most effective way is to use a pesticide. However, it is important to be thorough in your cleaning and clean all corners and crevices where the pests may hide.

Additionally, flour insects can crawl into packaging and start another infestation elsewhere in your home.

What kills weevils?

The confused flour beetle (Tribolium confusum), a type of darkling beetle known as a flour beetle, is a common pest insect known for attacking and infesting stored flour and grain. They are one of the most common and most destructive insect pests for grain and other food products stored in silos, warehouses, grocery stores, and homes. The "confused" in the beetle's name is due to it being confused with the red flour beetle, not because of its walking pattern. The confused flour beetle is very similar in appearance and habit to the red flour beetle, Tribolium castaneum and the destructive flour beetle, Tribolium destructor. Both the confused flour beetle and red flour beetle are small, about 3–6 mm (1/8-1/4 inch) in length, and reddish-brown in color. The primary distinguishing physical difference is the shape of their antennae: the confused flour beetle's antennae increase gradually in size and have four clubs, while the red flour beetle's antennae have only three. Additionally, red flour beetles have been known to fly short distances, while confused flour beetles do not. T. destructor is much darker than either and less common. While confused (and red) flour beetles cannot feed on whole, undamaged grain, they are often found in large numbers in infested grains, feeding on broken grain, grain dust, and other household food items such as flour, rice, dried fruit, nuts, and beans. Both types of beetles are often found not only in infested grains, but in crevices in pantries and cabinet, as well. Damage to food is caused somewhat by the beetles' feeding, but also by their dead bodies, fecal pellets, and foul-smelling secretions. In addition to creating a foul odor, the beetles' presence encourages the growth of mold.

There are a few ways to kill weevils. One way is to wipe down the shelves with hot soapy water or a disinfecting spray.

You can also clean out unaffected items such as cans and containers before putting them back in the pantry. Finally, soap up the shelves before returning them to the pantry.

How to prevent weevils in flour?

To prevent weevils in your flour and other products. First, try to keep any reoccurring problems from happening.

It means keeping your storage areas clean and free of debris and using airtight containers. Additionally, bay leaves can be used as a natural deterrent for pests.

How to prevent weevils in rice?

Weevils on grains of rice

The most important thing to prevent weevils in your rice is to store your rice properly. You can use either store rice in the refrigerator or freezer. Please keep it in a cool, dry place for a couple of days.


Flour is an essential food item for many, and it is important to take steps to protect it from pests. Flour weevils are tiny metal-colored bugs that can make a mess in your kitchen. In conclusion, it is important to take preventative steps to control flour weevils and flour mites. 

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.