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Question DetailsAsked on 5/22/2011

How can I get rid of Borer Bees?

I have bees in my greenhouse that bore into my redwood benches. I really dont want to call an exterminator if I dont have to.

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1 Answer


Hi wpk100,

We consulted with several pest control experts and they agree it appears you have carpenter bees. However identification is an important first step and that’s where calling in a professional can help. Bees are important to our environment with pollination of our plants, so unless there’s a threat to a person’s safety, many experts recommend letting them nest where they are. If a pest control expert determines you have honeybees, whose survival is in serious jeopardy, you could have a professional beekeeper safely remove the colony. Carpenter bees are fairly harmless, but can be a nuisance. Sealing the wood with a quality sealer or stain after treating it will make it less attractive to the bees and is an eco-friendly way to control them.

If the bees do pose a threat, once you have properly identified they’re not honeybees and found the nest, most any product labeled for that insect will do the job. If the nest is visible, the best time to treat is at night, when all the insects are at the nest. If the nest is not visible, experts recommend a dust insecticide that is blown into the opening where the insects are coming and going. Dusting during the day allows for the active insects to transfer the dust into the nest. Wipe up and discard any residue from the dust. If you take this on yourself, be sure to wear plenty of protective coverings to minimize your chances of being stung. Many people are allergic to bee stings and don’t know it. Multiple stings could result in a trip to the emergency room. That, along with using pesticides in a safe manner, is reason enough to bring in a pro. When you eliminate your bee problem, you can safely cork the holes in your benches.

I hope that helps.

Paul from Angie's List

Answered 9 years ago by Paul from Angie's List

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