A carpenter bee in a hole in wood created when it tunnels through the wood.

Those large bees hovering near your porch or eaves in St. Louis? They’re probably carpenter bees. Unlike honeybees, they live alone and seldom show aggression. During spring and early summer, they burrow into untreated wood to create nests. Look for rough sawdust beneath small holes in wood, clear evidence of their work. Though their males can’t sting and females rarely do, their damage is easy to spot.

At Bug Out, we stop carpenter bee problems before they cause serious damage. Our professionals locate the activity, use precise treatments, and help prevent future infestations.

The True Impact of Carpenter Bee Damage on Your Home

When carpenter bees return to the same wood again and again, the damage can build up fast. Minor wear can turn into major problems, ultimately causing:

  • Damaged Steps: Over time, carpenter bees can hollow out wooden steps from the inside. This hidden weakening can cause the steps to crack or even collapse, posing a safety risk much like unstable railings.
    Distinct Entry Holes: Carpenter bee entry holes are smooth and round, about the size of a nickel. They’re often found in exposed wood such as rafters, eaves, or beneath decks, where the bees start tunneling to build their nests.
  • Compromised Support Beams: When carpenter bees bore into structural beams, they can slowly weaken your home’s framework. Without treatment, this can lead to warping or partial collapse, though visible warning signs often appear before the damage becomes severe.
  • Visible Wood Damage: Evidence of carpenter bee activity may appear as small grooves, round holes, or etched marks on wooden surfaces. Unlike termites, carpenter bees don’t cover their work, making these markings a clear sign of an infestation.
  • Weakened Railings: Porch and balcony railings are frequent targets for carpenter bees. As they tunnel through the wood, the structure gradually loses strength and stability, increasing the likelihood of collapse or injury if repairs are delayed.

Ignoring carpenter bees can lead to serious damage in a short time. Contact a bee, wasp, and hornet exterminator as soon as you spot activity. Our experienced team uses advanced, safe methods to remove these pests and keep them from coming back. We’re always ready to help when you need us.

Spotting Carpenter Bees: What to Look For

With their fuzzy black heads and rounded bodies, carpenter bees are easily confused with bumblebees. The difference is in the abdomen: carpenter bees have a sleek, shiny surface, while bumblebees are covered in hair from end to end.

They prefer untreated or weathered wood for nesting and often target decks, porches, and sheds. Their tunnels, hidden within the wood grain, can go unnoticed for months while the structure gradually weakens. Even light damage can worsen quickly if the bees continue to return.

Unlike hornets or wasps, carpenter bees don’t build external nests or burrow in the ground. They depend entirely on wood for shelter, so early identification and intervention are vital to protecting your home.

Common Indicators of Carpenter Bee Activity

Homeowners should watch for signs of carpenter bee activity, which often shows up as holes and markings in wood. Spotting infestations early can prevent expensive damage. Look for common indicators such as:

  • Visible Holes: Carpenter bee activity begins with circular holes about half an inch across in exposed or untreated wood. These are the entry points for their tunnels.
  • Wood Shavings: Sawdust or small wood particles often appear on the ground or surfaces below the holes as the bees excavate.
  • Fan-Shaped Marks: Semi-circular, fan-shaped marks surrounding the entrances are a telltale sign of active tunneling.
  • Internal Sounds: Low-level buzzing or scratching noises inside wooden structures indicate bees are inside the wood.

The Problems Carpenter Bees Can Create

Carpenter bees can cause hidden damage beyond what’s visible on the surface. Within their tunnels, larvae make faint scratching noises that may be picked up by nearby birds and animals, which target them as an easy food source, increasing the risk to your property.

Woodpeckers and other wildlife often enlarge the holes as they try to reach the larvae, causing further structural weakening. A minor infestation can grow quickly if ignored. Prompt intervention protects your home from both the bees and the secondary damage caused by predators.

Prevent Damage from Carpenter Bees with Bug Out’s Help

Professional pest management is essential for protecting your home from carpenter bees and the secondary damage caused by attracted animals. In St. Louis, many homeowners deal with these pests, and untreated infestations can become costly. Bug Out’s trained specialists locate active areas, use targeted solutions, and help keep the bees from coming back.

Contact Bug Out today and let us help prevent damage from carpenter bees and other pests.

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