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Carpenter Bee Removal and Damage Repair

Columbia and Aiken, South Carolina Rid-A-Critter Office

Frass, or sawdust, is a telltale sign of a carpenter bee problem

Frass, or sawdust, is a telltale sign of a carpenter bee problem

If you've been seeing stocky-looking bees flying around your home like Kamikaze pilots trying to intimidate you by flying into your forehead, chances are that they're carpenter bees. If you also see mysterious holes forming in your siding, deck, patio furniture, or other wooden items; or if you see piles of sawdust mysteriously appearing out of nowhere, then you most certainly have a carpenter bee problem.

Carpenter bees are also known as "wood bees" or "borer bees" because of the females' habit of drilling perfectly-round holes into wood. They don't drill holes just for the joy of it. They drill them to lay their eggs in. They start on a face or edge of the wood (against the grain), bore in maybe a quarter inch or so, and then make a hard turn in the direction of the grain. Then they keep on drilling until that hole becomes a tunnel inside the wood that can range anywhere from a few inches to a few feet in length.

Just in case you have a crazy neighbor who also likes to drill holes in houses, you can tell a carpenter bee's hole because there usually are waxy stains around it, and unless the wind has blown it away, a pile of sawdust under it. The stains are a mixture of wax and droppings that can be difficult to remove or paint over. They may not be visible at first, when the nest is newly-excavated; but they'll most certainly be visible once the bees have emerged.

Carpenter bee stains on the outside of a home

Carpenter bee fecal stains on the outside of a house

Because of the wax component, paint won't readily stick to the stains, especially if the wood is unpainted or if the paint has worn off or peeled away. The wax penetrates into the wood and repels many paints. Some entomologists also believe that the stains contain attractant / arrestant pheromones that encourage female carpenter bees to return to the same holes from which they emerged to lay their own eggs.

In any case, once the bees have excavated the tunnel to their liking, they start to lay eggs in it. They lay them one at a time, provision each egg with pollen and regurgitated nectar, and place a bit of wax between each cell. Through some secret mechanism known only to the bees, the eggs hatch, larvate, pupate, and emerge as adults in reverse order to that in which they were laid, so the most recent ones that are nearest the hole hatch and emerge before the earlier ones do.

The Good and Bad About Carpenter Bees

There are some good things about carpenter bees. The most important is that they are industrious pollinators in general and are the primary pollinators of some plants. They're also very neighborly as bees go. The males -- the ones who fly around your yard trying to intimidate you -- lack stingers, so their bravado is just a show. The couldn't harm you if they wanted to. The females are capable of stinging but almost never do. Our guys don't even bother suiting up to treat carpenter bees. That's how passive these bees are.

In fact, if it weren't for that annoying habit of drilling holes in our homes and other wooden possessions, most folks would be willing to put up with the males' silly antics in return for the valuable pollination work that carpenter bees do. The problem, however, is that they do in fact drill holes; and over time, they can cause considerable damage that is very unsightly and often very expensive to repair.

Carpenter bees can also weaken the wood of wooden decks and playground equipment, making it more likely to fail and possibly cause injury. They also have a special liking for wooden fences and the support beams for lofts in barns. Worse yet, although they're not true social bees, multiple female will often drill into the same pieces of wood, and females often return to the same tunnel from which they emerged to lengthen it and lay their own eggs.

Just in case the bees themselves weren't annoying and destructive enough, carpenter bee activity also attracts woodpeckers. They peck away at the wood to get at the tasty eggs, larvae, and pupae inside the tunnels. When you can see the exposed carpenter bee tunnels in a piece of wood, it usually means that woodpeckers found it before you did.

For all this damage that they do, however, carpenter bees are competent pollinators; so if the thing they're drilling holes into is an old shed that you wish would fall down anyway, then maybe you should just leave them be. They're useful pollinators; and other than their drilling and excavating, they do no harm at all.

Carpenter Bee Removal and Damage Repair

Carpenter bee control is one of the most challenging kinds of work that we do because our goal is to seal them out of your home. This is one of the ways that we differ from most "exterminators," who only treat the visible holes. We seal or screen the house to prevent the bees from getting to the wood that you can't see, such as the unpainted sides of trim that face inward. (We also take care of the visible holes, of course.)

Obviously, this is painstaking work. It requires special skills and specialized equipment. We don't just spray some insecticide into the hole and call the job done. We treat the active nests, repair the damage, and make your home bee-proof. That's not an easy thing to do, but we're not the sort who look for the easy way out.

If you live anywhere near the Columbia or Aiken, South Carolina areas and you have a carpenter bee problem, please give us a call for a no-obligation inspection. We look forward to helping you solve your carpenter bee problem.

Carpenter Bee Control Gallery

Here are some pictures of carpenter bee work we've done in and around the Columbia and Aiken, South Carolina areas.


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The Columbia, South Carolina office of Rid-A-Critter provides carpenter bee control and damage repair in the Greater Columbia, South Carolina area, including Aiken, Barnwell, Camden, Columbia, Evans, Greenwood, Lexington, Newberry, North Augusta, Orangeburg, and Sumter.

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