How to Get Rid of Weevils Naturally: 11 Cheap + Safe Fixes

Weevils are a type of beetle that possess the capability of causing extensive damage to stored food items.

These pests have the potential to infest an array of grains, such as wheat, rice, oats, barley, and corn.

Additionally, weevils are capable of infiltrating nuts, seeds, and beans, thereby making them a common issue in numerous households.

If you have ever encountered a weevil infestation, you are likely to be well aware of the difficulties associated with their eradication.

These minute pests can multiply rapidly, making their elimination an arduous task.

Nevertheless, when equipped with the appropriate knowledge and tools, it is possible to exterminate weevils and prevent their resurgence.

The purpose of this blog is to discuss the causes and indicators of weevil infestations, provide guidance on How to Get Rid of Weevils Naturally and offer suggestions for thwarting future infestations.

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Causes of Weevil Infestations

Weevils are likely to impact stored food items, particularly those that have been left unsealed or inadequately stored.

These pests are capable of infiltrating a home via several means, including cracks in the walls or foundation, as well as open doors and windows.

Grains such as wheat, rice, oats, and barley, which are commonly stored in pantries and kitchens, are of particular interest to weevils.

Once these pests gain entry into a household, they will proceed to lay eggs in stored food items, and their larvae will then begin to feed on the grains, resulting in substantial damage.

Signs of Weevil Infestations

The most conspicuous indication of a weevil infestation is the presence of adult weevils or their larvae in stored food items.

  • These adult weevils are diminutive, dark beetles that measure less than a quarter-inch in length. They are easily identifiable by their extended snout and elongated antennae.
  • Should one observe the presence of adult weevils or their larvae in stored food items, it is likely that they will also note the existence of minute holes in the grains or seeds.
  • These holes are attributed to the weevils’ feeding activities and may indicate a severe infestation.
  • Alongside the physical signs of a weevil infestation, one may also discern an unpleasant odor emanating from the stored food items.

This scent arises from the weevils’ excrement and can be indicative of a serious infestation.

How to Get Rid of Weevils Naturally

Getting rid of weevils can be challenging, but it is possible with the right approach. Below are some steps you can take to eliminate weevils from your home:

Control Weevils Naturally

1. Identify and Remove Infested Items

The initial phase of eliminating weevils involves identifying and discarding any contaminated items from one’s home.

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Commence this process by conducting a comprehensive examination of all stored food items, including grains, nuts, seeds, and beans.

Upon detecting any indicators of weevil activity, such as adult beetles or larvae, it is essential to dispose of the contaminated items promptly.

Additionally, items that have surpassed their expiration date or have been left open for an extended period should also be discarded, as they may be at heightened risk for infestation.

2. Clean Your Pantry and Storage Areas

After the eradication of infested items, it is imperative to undertake a thorough cleaning of the pantry and storage areas.

Using a vacuum cleaner to extract any residual debris or weevils present in these spaces is highly recommended.

Following the vacuuming process, wiping down all surfaces with either water, vinegar, or a natural cleaning agent is crucial.

This measure effectively eliminates any remaining weevils or eggs that may be present, while also serving as a deterrent against future infestations.

3. Seal All Food Items

  • A fundamental practice in preventing weevil infestations is adequately sealing all stored food items.
  • It can be achieved by investing in airtight containers that are designed explicitly for grains, nuts, seeds, and beans.
  • Additionally, labeling each container with relevant information such as the type of food item and its storage date is highly recommended.
  • This labeling method facilitates keeping track of the items’ expiration dates, enabling timely disposal and reducing the risk of weevil infestations.
  • Another effective preventive measure is storing food items in the refrigerator or freezer.

This method eliminates the possibility of weevil infestation by controlling temperature and humidity levels.

4. Use Natural Repellents

Various natural repellents effectively prevent weevil infestations in stored food items.

For instance, bay leaves are a natural deterrent that one can place in storage containers to discourage weevils from gaining entry.

In addition to bay leaves, essential oils like peppermint or eucalyptus oil can also be utilized to repel weevils.

This method involves soaking a cotton ball in the oil and placing it in storage containers.

The strong aroma of these essential oils effectively repels weevils, thereby preventing infestations.

5. Consider Using Pesticides

In situations where a severe weevil infestation occurs, the use of pesticides may be necessary to eliminate the pests effectively.

Pyrethrin-based sprays and diatomaceous earth are among the several pesticides that effectively kill weevils.

Reading and carefully following the instructions before using any pesticide is essential.

Furthermore, taking the necessary precautions to ensure the safety of pets and children by keeping them away from the treated area until the pesticide has been fully absorbed is of utmost importance.

Types of Weevils and How to Get Rid of Them

Weevil TypeAppearanceFood SourceHow to Get Rid of Them
Rice weevilSmall and darkGrains, rice, flourDispose of infested food items, clean food storage areas thoroughly, freeze infested food items for 72 hours, use natural repellents, and use pheromone traps.
Bean weevilBrown or blackBeans, peas, lentilsDispose of infested food items, clean food storage areas thoroughly, store food items in airtight containers and use natural repellents.
Grain weevilReddish-brownGrains, nutsDispose of infested food items, clean food storage areas thoroughly, store food items in airtight containers and use natural repellents.
Boll weevilGrayish-brownCotton plantsUse pheromone traps, remove and destroy infested plants, and plant non-host crops to reduce their population.
Strawberry weevilBlack or dark brownStrawberriesRemove and destroy infested strawberries, use floating row covers to prevent infestation, and practice crop rotation.

Tips for Preventing Weevil Infestations

Preventing weevil infestations is key to maintaining a pest-free home. Below are some tips to help you prevent weevils from infesting your stored food items:

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1. Store Food Items Properly

As previously mentioned, weevils are attracted to food items that are improperly stored.

Proper storage of food items in airtight containers or in the refrigerator or freezer is crucial to prevent infestations from occurring.

2. Keep Your Pantry Clean

Due to their attraction to unclean and cluttered areas, it is essential to maintain a clean and organized pantry to prevent weevil infestations.

Regularly wiping down surfaces and immediately vacuuming any debris or spills is necessary.

3. Rotate Your Stored Food Items

To prevent food items from being stored for prolonged periods, it is crucial to rotate them regularly.

This involves prioritizing using older items and replacing them with fresh items to prevent weevils from infesting the older food items.

4. Inspect New Food Items

Before storing new food items, conducting a thorough inspection for any indications of weevils or other pests is imperative.

Look for holes, larvae, or adult beetles within the food items, and promptly dispose of any infested items.

Natural Remedies to Get Rid of Weevils

There are several natural remedies that will help you to get rid of weevils without using harmful chemicals. Here are some effective natural remedies that you can try:

1. Bay leaves

Bay leaves can serve as a natural repellent against weevils, and incorporating them into your pantry can be helpful.

Simply place a few bay leaves in your storage containers or on pantry shelves, and for added effectiveness, crush the leaves to release their fragrance and place them in sachets or tea bags.

2. Cloves

Cloves possess a potent scent that is capable of deterring weevils and other insects.

You can prevent weevil infestations by adding cloves to your storage containers or pantry shelves.

To use cloves as a repellent, you can encase them in cheesecloth or a tea bag and suspend them in your pantry.

3. Cinnamon

Cinnamon has been found to possess a potent scent that can serve as a weevil and insect repellent.

By placing a few cinnamon sticks in your storage containers or pantry shelves or sprinkling cinnamon powder on your pantry shelves and storage containers.

You can effectively deter weevils and other insects from infesting your stored food items.

4. Neem leaves

Neem leaves possess insecticidal properties that can effectively eliminate weevils and other harmful pests.

To safeguard your storage containers and pantry shelves, simply add a few neem leaves. You may opt to grind the leaves and spread the resulting powder over the desired surfaces.

5. Eucalyptus oil

The potent scent of eucalyptus oil harbors insect-repelling properties, capable of warding off weevils and various other insects.

Infuse cotton balls with eucalyptus oil and strategically place them within your storage containers or pantry shelves.

Alternatively, a diffuser can be utilized to effectively disperse the aromatic essence of eucalyptus oil throughout your pantry.

6. Vinegar

Vinegar, known for its acidic properties, can effectively eliminate weevils and other noxious pests.

In order to prevent them, a mixture of equal parts vinegar and water can be concocted and stored in a spray bottle.

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Pests are effectively deterred upon application to both pantry shelves and storage containers.

Alternatively, a cloth submerged in vinegar can be utilized to cleanse pantry shelves and storage containers of any preexisting infestations.

7. Diatomaceous earth

Diatomaceous earth is a naturally-occurring powder composed of fossilized remains of diatoms.

Notably, it is an innocuous substance around food products, effectively eliminating weevils and other detestable pests.

These pests can be effectively exterminated by carefully dispersing diatomaceous earth across your pantry shelves and storage containers

8. Freezing

Freezing is an efficacious approach for eliminating weevils in food, particularly for minor infestations.

To implement this strategy, securely store the infested food within an airtight plastic container or bag, and place it in the freezer.

Maintaining the food in the frozen state for a minimum of 72 hours is essential to guarantee the eradication of all weevils.

Once the allotted time has passed, remove the food from the freezer and allow it to thaw to room temperature before using it.

Prior to consuming the food, a thorough inspection should be conducted to ensure that all weevils have been eliminated.

9. Vacuuming

Vacuuming is another effective approach for eradicating weevils and other pests within your pantry.

Utilizing either a handheld vacuum or the hose attachment of a standard vacuum, carefully suction weevils and other pests from pantry shelves and storage containers.

It is imperative to meticulously vacuum every crevice and crease within your pantry, comprising the corners, edges, and fissures.

Once the process has been completed, the contents of the vacuum cleaner bag must be discarded within a sealed plastic bag, to prevent the weevils from resurfacing.

10. Sunlight

Sunlight is a natural mechanism for the extermination of weevils and other pests.

To utilize this method, place the affected food items directly under the sun’s rays for a specified period, effectively eliminating the weevils.

This approach is especially effective for dry food items, such as grains and beans.

These natural alternatives can effectively repel or eliminate weevils and other pests without the utilization of potentially hazardous chemicals.

Nonetheless, it is vital to acknowledge that these methods may not be efficacious for severe infestations.

If faced with a significant weevil infestation, alternative methods may be necessary for their eradication.


Q: How can I prevent weevils from infesting my food storage areas?

To prevent weevils from infesting your food storage areas, make sure to store your food items in airtight containers, clean your food storage areas thoroughly, and seal all cracks and crevices in your storage areas.

You can also use natural repellents, such as bay leaves or cloves, to deter weevils from entering your storage areas.

Q: What should I do if I find weevils in my food items?

If you find weevils in your food items, dispose of them immediately.

Clean your food storage areas thoroughly to remove any remaining weevils or eggs, and store your food items in airtight containers to prevent future infestations.

You can also freeze infested food items for 72 hours to kill any remaining weevils.

Q: Are insecticides effective in getting rid of weevils?

Insecticides should be used as a last resort to get rid of weevils.

They can be effective in killing adult weevils, but they may not be effective against weevil eggs or larvae.

In addition, insecticides can be harmful to human health and the environment, so it’s important to use them with caution and follow the instructions carefully.

It’s best to try natural methods first and only use insecticides if necessary.

The Bottom Line

The presence of weevils can pose a frustrating predicament; however, with sufficient knowledge and resources, their elimination from your residence can be effectively executed, and future infestations thwarted.

It is crucial to properly store food items, maintain a hygienic pantry, and conduct thorough inspections of newly acquired items for signs of infestation.

Following these guidelines can create a pest-free domicile, with food items remaining safe and secure from weevils.