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Images of highlighter green colored ant, spider, and tick on top of colored green leaves and salmon and orange colored circles.

Ants in the Walls

Images of highlighter green colored ant, spider, and tick on top of colored green leaves and salmon and orange colored circles.
Ants climbing around the corner of the inside of a home.

When you start noticing ants in the walls of your home, it’s not just a minor inconvenience – it could indicate a more serious issue. These ants may seem to appear and disappear, but an ant infestation inside the walls is usually a sign of something deeper. Whether it’s carpenter ants or tiny black ants, knowing what type of ants are in your walls and how to handle an infestation is crucial to keeping your home ant-free.  

What Does it Mean to Have Ants in the Walls? 

Finding ants inside your walls means there’s a colony somewhere behind those walls, usually nesting or searching for food and moisture. Ants, including black ants and carpenter ants, can easily enter your home through cracks, crevices, or gaps near baseboards, windows, or doors. Once inside, they can find their way into walls and other hidden spaces in the house.   

What Types of Ants Could Be Living in Your Walls? 

The type of ants in your walls will largely determine the severity of the infestation. Common ants in walls include: 

  • Carpenter Ants: These ants are known to nest in wood, causing potential structural damage to your home.  
  • Little Black Ants: A much smaller species, these ants often enter walls searching for food sources.  
  • Odorous House Ants: These ants are often attracted to moist areas and can be found living inside walls that have higher humidity levels. 

Where Do Ants Enter the Walls? 

Ants typically find their way into walls through small cracks or holes around windows, doors, or utility lines. They can also enter through damaged insulation or areas with water leaks, such as behind a kitchen sink or along pipes. Carpenter ants, in particular, are drawn to areas with moisture, and if there’s a water leak behind the wall, this can attract ants to the area. 

Why DIY Traps Don’t Work for Ants in Walls 

When ants invade your walls, store-bought DIY traps might not be enough to resolve the issue. While these traps may kill ants on contact, they don’t solve the root problem. DIY traps typically attract ants, who will eat the bait, but they don’t transport it back to the colony. Without this critical step, the colony remains intact and continues to thrive inside your walls. Simply seeing fewer ants doesn’t mean the infestation is gone. The queen and the bulk of the colony remain hidden behind the walls, continuing to reproduce.  

The Risk of Breaking Up the Colony 

A DIY approach can also unintentionally make the situation worse. Disturbing the colony could cause the ants to scatter and form new colonies, spreading the infestation across your home. A disturbed colony may even split into multiple colonies, multiplying the problem. This is why it’s crucial to take a strategic approach to ant control, focusing on eliminating the entire colony rather than just the ants you see on the surface.  

How Greenhouse Termite and Pest Control Can Help 

At Greenhouse Termite and Pest Control, we take a more thorough approach to handling an ant infestation in walls. Our professional pest control services use specialized baits, dusting, and traps to target the colony directly. Here’s how our process works:  

  • Baiting: We place bait near where ants are emerging or exiting your home. The ants take this bait back to their nest, sharing it with other ants in the colony.  
  • Dusting: We use specialized dust that can be applied to areas where the ants frequently. This dust works to eradicate ants over time, reaching deep into the wall voids where the colony resides. 
  • Traps: Our traps are designed to catch and eliminate ants at different stages of their life cycle, helping to weaken and eliminate the colony faster.  

With this method, the ants share the bait with the colony, eventually killing off the entire infestation. This is far more effective than DIY traps, which don’t reach the colony, leaving you with recurring problems.  

Is Cutting into the Wall the Right Solution? 

While it’s tempting to think that cutting into the wall is the only way to get rid of the ants, this approach is not always necessary. Cutting into the wall is only advisable if there’s a possibility of water damage behind the wall. Ants, especially carpenter ants, are often attracted to moisture, and water leaks could be the primary cause of the infestation. However, unless you’re certain there’s a leak, tearing into the wall is an unnecessary and disruptive measure.  

Preventing Ants from Coming Back 

Once the infestation is dealt with, it’s important to take steps to prevent future problems. Keep your home dry and seal any cracks or gaps around windows, doors, or plumbing. Regular inspections by a pest control expert can help ensure that ants don’t return.  

Getting Ant Control Help  

Ants in the walls can be a sign of a larger infestation, and if not addressed properly, can lead to further complications. While DIY methods may seem effective initially, they only provide a temporary fix. Professional pest control services like Greenhouse Termite and Pest Control use proven methods to eradicate entire colonies and prevent future infestations. Cutting into the walls is rarely necessary unless there’s a leak, so it’s best to contact the experts to take care of the issue efficiently.  

Don’t wait until the infestation spreads – call Greenhouse Termite and Pest Control today for expert solutions to your ant problems. With our comprehensive treatment plans, we ensure that your home stays ant-free.  

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By Cassie on March 27, 2025

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