Finding a wasp nest under an eave or in a shrub is unsettling enough. But the situation becomes more dangerous when wasps build inside your walls. Wall voids provide protection from weather, insulation from temperature extremes, and space for large colony growth.
The warm and humid summers in Indianapolis, IN give wasp colonies enough time to expand before fall arrives. As a result, wall nests can grow significantly before homeowners notice them. Since the nest is hidden, recognizing early warning signs is critical. Here are three signs that wasps may have built a nest inside your walls:
Consistent Wasp Activity Around a Specific Entry Point
One of the clearest indicators is repeated wasp movement in and out of a specific location on your home’s exterior. Worker wasps travel between the nest and food sources, creating a visible flight pattern.
Unlike random wasps, these insects move with purpose. They enter and exit from the same spot, which may be:
A gap in siding
A crack in mortar
An opening around utility lines
A space beneath window frames
A Buzzing or Humming Sound Inside Your Walls
A steady buzzing sound coming from inside your walls is often a sign of an active nest. This sound is caused by constant movement within the colony.
You may notice:
Stronger noise during warm afternoon hours
Increasing intensity as the colony grows
A pulsing or vibrating sound
Sound concentrated in one section of the wall
A slight vibration when touching the surface
Damage to Interior Walls or Ceilings
When a nest grows large, it can affect interior surfaces. Pressure from the nest or moisture from the colony may lead to visible changes such as:
Bulging or uneven walls
Soft spots or small holes
Stains caused by moisture buildup
In some cases, wasps may even chew through drywall to expand their space.
Wall nests are not safe to handle on your own. The hidden location and aggressive nature of wasps make DIY attempts risky.
A professional team like Pointe Pest Control has the tools and experience to treat the infestation safely. Experts from Pointe Pest can eliminate the colony through the exterior entry point and guide you on proper removal steps. Acting early ensures your home stays protected and prevents further structural damage.