How to Get Rid of Harvester Ants: Effective Control Methods and Prevention Tips

How to Get Rid of Harvester Ants?

To get rid of harvester ants, there are several methods you can try.

First, you can destroy their habitat by discing and mowing the area where the ants are present.

Another option is to create a mixture of white vinegar, water, and essential oils to repel the ants.

Additionally, pouring salt into the ant mound can kill the ants, while pouring water into the mound can kill both the ants and their queen.

Using diatomaceous earth can also dehydrate the ants.

To handle harvester ant stings, wash the affected area with warm, soapy water and apply calamine lotion or after-bite cream.

For allergic reactions and pain relief, antihistamines and ibuprofen can be taken.

If these methods don’t work, professional pest control methods using nest toxicants and poisoned baits can be considered.

Lastly, pouring boiling water on top of the ant mound, with caution and after rain, can kill any remaining ants.

Another option is to use granular bait that the ants will carry back to their nests.

Key Points:

  • Destroy the ant habitat by discing and mowing the area
  • Use a mixture of vinegar, water, and essential oils to repel the ants
  • Pour salt into the ant mound or water to kill the ants and their queen
  • Dehydrate the ants with diatomaceous earth
  • Wash and treat stings with warm soapy water, calamine lotion, or after-bite cream
  • Use antihistamines and ibuprofen for allergic reactions and pain relief and consider professional pest control methods if necessary


Did You Know?

1. Harvester ants have the amazing ability to navigate through the desert using polarized light. They rely on the polarization patterns of sunlight to guide them back to their nests.

2. Unlike other ant species, harvester ants have a specialized organ on their legs called an infrabuccal pocket. This tiny pouch is used to collect and store food particles, providing a handy snack for the ants when needed.

3. Harvester ants are known to communicate using complex chemical signals known as pheromones. They utilize various pheromones to mark trails, communicate danger, and even indicate the location of food sources to their nestmates.

4. The diet of harvester ants primarily consists of seeds, hence their name. However, they also occasionally prey on small insects and even scavenge on dead animals, displaying a rather versatile palate.

5. Some species of harvester ants are capable of releasing formic acid, a potent defensive chemical, when they feel threatened. This acid can cause irritation and even temporary blindness if it comes into contact with the eyes.

Discing And Mowing To Destroy Harvester Ant Habitat

One of the most effective ways to get rid of harvester ants is by destroying their habitat through discing and mowing. Harvester ants typically build their colonies in bare, open areas such as fields or lawns. By regularly mowing the grass and discing the soil, you can disrupt their nests and make the area less desirable for them to inhabit.

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Mowing the grass not only reduces the height of the vegetation but also removes the food sources that attract harvester ants. By keeping the grass short, you make it harder for the ants to forage and find the resources they need to survive. Additionally, regular mowing helps to expose the ant colonies, making them more vulnerable to other pest control methods.

Discing, on the other hand, involves tilling the soil to disturb the underground tunnels and chambers of the ant colonies. This process breaks up the colonies and makes it difficult for the ants to rebuild their nests. By periodically discing the affected area, you can significantly reduce the population of harvester ants and discourage their return.

Repelling Ants With White Vinegar, Water, And Essential Oils

Another effective method for getting rid of harvester ants is by using a mixture of white vinegar, water, and essential oils to repel them. Harvester ants navigate by following pheromone trails left by their fellow ants. By spraying a mixture of one part white vinegar, three parts water, and a few drops of essential oils known to repel ants, such as peppermint, tea tree, or lavender oil, you can disrupt these trails and deter the ants from entering your home or property.

To use this method, fill a spray bottle with the vinegar, water, and essential oil mixture. Then, spray the solution along ant trails, around entry points, and in areas where you have noticed ant activity. Repeat this process daily until you no longer see any signs of ant presence. This natural repellent is safe to use around pets and children and can be a great alternative to chemical pesticides.

  • Mix one part white vinegar, three parts water, and a few drops of essential oils known to repel ants.
  • Fill a spray bottle with the mixture.
  • Spray the solution along ant trails, around entry points, and in areas with ant activity.
  • Repeat daily until no signs of ants are present.

Killing Ants With Salt: A Simple Solution

If you’re dealing with harvester ants and want a simple and effective solution, using salt may be the answer. Salt works as a desiccant, absorbing moisture from the ants and dehydrating them. By pouring salt onto their mounds, you can effectively kill the ants by drying them out.

To use this method, follow these steps:

  • Locate the harvester ant mounds in your yard.
  • Sprinkle a generous amount of salt directly onto the mound, ensuring to cover the entire area.
  • Allow the salt to sit for a few hours.
  • The salt will draw out the moisture from the ants’ bodies, causing them to perish.

Please note that while this method can be effective, it may not work as well for large ant colonies or when dealing with multiple mounds.

Eliminating Ants And Their Queen With Water

To target the heart of the ant colony and effectively eradicate the problem at its source, pouring water directly into the ant mound can be an incredibly effective method. This technique works by drowning the ants and their queen, thereby disrupting the colony’s ability to survive and reproduce.

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To use this method, follow these steps:

  1. Boil a large pot of water to ensure that it is hot enough to be effective.
  2. Carefully pour the boiling water onto the ant mound, being mindful to avoid burning yourself with the hot water.
  3. Make sure to pour a sufficient amount of water to ensure that it reaches the tunnels and chambers below the surface. This is crucial for achieving the desired impact.
  4. It’s worth noting that this method is most effective after rainfall, as the soil will already be moist. This increases the chances of the water reaching the queen and the rest of the nest.

Remember to exercise caution while performing this method, as boiling water can be dangerous. Always prioritize your safety.

By employing this focused and informative approach, you can effectively eliminate ant colonies by disrupting their reproductive abilities and ensuring their demise.

Dehydrating Ants With Diatomaceous Earth

Diatomaceous earth is a natural, powdery substance made from fossilized plankton. It dehydrates harvester ants by causing water loss, resulting in their demise. This is achieved through the penetration of tiny, sharp particles found in diatomaceous earth, which damage their outer layer and lead to desiccation.

To effectively control ants using diatomaceous earth, follow these steps:

  • Sprinkle a thin layer of diatomaceous earth around ant nests and heavily trafficked areas.
  • Ants will come into contact with the powder and unknowingly carry it back to the nest.
  • This process inadvertently distributes the powder to their fellow ants.

Important: Always ensure that you use food-grade diatomaceous earth for ant control. Diatomaceous earth meant for pool filters may contain harmful additives.

Note: Diatomaceous earth is a powerful tool for ant control, providing an effective method to combat infestations while ensuring the safety of your home and environment.

  • Diatomaceous earth is a natural substance derived from fossilized plankton.
  • It desiccates harvester ants by dehydrating them through water loss.
  • The particles in diatomaceous earth penetrate the ants’ exoskeleton and cause damage.
  • Sprinkle diatomaceous earth around ant nests and heavily trafficked areas for control.
  • Ants carry the powder back to the nest, inadvertently spreading it to other ants.
  • Only use food-grade diatomaceous earth to avoid harmful additives.

Treating Harvester Ant Stings And Allergic Reactions

While preventing and eliminating harvester ants is essential, it’s also crucial to know how to treat their stings and allergic reactions. Harvester ant stings can be painful and may cause localized redness, swelling, and itching. However, in rare cases, individuals may experience severe allergic reactions that require immediate medical attention.

To treat harvester ant stings, start by washing the affected area with warm, soapy water to reduce the risk of infection. Applying calamine lotion or after-bite cream to the sting can help relieve itching and provide some comfort. For pain relief, over-the-counter options such as antihistamines and ibuprofen can be used. However, if you or someone else experiences severe symptoms such as difficulty breathing, chest tightness, or swelling of the face, seek medical assistance immediately.

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In Conclusion

Getting rid of harvester ants requires a combination of preventive measures and various control methods.

  • Discing and mowing can be used to destroy their habitat, preventing them from nesting in your area.
  • White vinegar and essential oils can be effective in repelling harvester ants.
  • Pouring salt or water into their mounds can help to deter and eliminate them.
  • Applying diatomaceous earth can also be effective in controlling harvester ant populations.
  • Professional pest control methods should be considered if the infestation is severe.

Additionally, it is important to know how to treat harvester ant stings and allergic reactions. Be sure to seek medical attention if you experience a severe reaction.
By following these recommendations, you can effectively control and prevent harvester ant infestations.

Frequently Asked Questions

What is the best way to get rid of harvester ants?

The most effective method for eliminating harvester ants is the use of baits specifically formulated for their purpose, such as Maxforce Fire Ant Bait or Advance Carpenter Ant Bait. These baits are highly attractive to harvester ants, who will consume them eagerly and perish within 48 hours. Another viable option is mound drenching, which involves treating the ant mound directly with appropriate insecticides to eradicate the colony.

What attracts harvester ants?

Harvester ants are attracted to flat, open lawns because they provide the ideal space for building their mounds. These ants also prefer sandy soil for nesting, making such locations even more appealing. Additionally, gardens and bird feeders can attract harvester ants due to their diet, which includes a substantial amount of seeds. Combined, these factors contribute to the attraction of harvester ants to certain areas, where they can thrive and obtain their required resources.

Are harvester ants safe?

Harvester ants, while fascinating creatures, can pose a potential risk due to their powerful sting. These stings have the ability to cause painful sores and may trigger allergic reactions in both humans and animals. It’s important to exercise caution and take necessary measures when dealing with harvester ants to ensure safety and prevent any potential harm.

How long do harvester ants live?

Harvester ants, when provided with regular drops of water and kept in a cool room temperature between 16–21º C (60–70º F), can thrive for a span of 2-4 weeks. These resilient ants can survive within a gel-based ant farm as it provides them with all the necessary sustenance. By ensuring their well-being through appropriate maintenance, harvester ants can live for a short yet fruitful period.

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