10 Best Carpenter Bee Insecticide 2025 in the United States

The Spectracide Terminate Termite & Carpenter Ant Killer is designed to tackle wood-destroying insects, including carpenter bees. Its active ingredient, Lambda-Cyhalothrin, is effective in killing termites, carpenter ants, and bees on contact. The product comes in a ready-to-use (RTU) spray formulation, making it convenient for both indoor and outdoor use. It provides a residual effect of up to 9 months indoors, which helps in offering prolonged protection against these pests.

One of its strengths is the clear, non-staining formula that leaves no odor, making it suitable for indoor use without the risk of unpleasant smells or stains on surfaces. The product includes an AccuShot sprayer, which allows for continuous and precise application, enhancing ease of use. However, the weight of the product at 12.26 pounds might make it a bit cumbersome for some users to handle, especially during extended use.

Safety-wise, while the product meets EPA specifications, it is essential to handle it with care, keeping it out of reach of children and pets. In terms of environmental impact, as with many insecticides, there could be concerns if not used properly, so it is crucial to follow the application instructions carefully. This product ranks well in the patio, lawn, and garden category, particularly in insect and pest repellents, showing its popularity and effectiveness among users.

The BioAdvanced Carpenter Ant, Termite and Insects Killer Plus is a concentrate insecticide designed for broad use against over 60 pests, including carpenter bees, ants, termites, and more. Its liquid concentrate form means you mix it before applying, which can be less convenient than ready-to-use sprays but allows control over the amount used. It kills insects on contact, offering fast results, and can be applied both outdoors on lawns, decks, and around foundations, as well as indoors in areas like behind baseboards and under appliances.

The product meets EPA specifications and has a solid reputation with many users, rating 4.2 out of 5 stars. Concentrates require careful handling and mixing, so some users might find it less easy to apply compared to ready sprays. It is important to read the label for safety and environmental details, especially if you’re concerned about pets or beneficial insects.

This insecticide is a strong choice if you need multi-pest control including carpenter bees and are comfortable handling a concentrate formula.

The Bayer 80035225 Polyzone Suspend Pint Insecticide is a versatile product designed for a wide range of settings, from homes to industrial facilities. The active ingredient in this insecticide is Deltamethrin at a concentration of 4.75%, which is known for its effectiveness against various insects, including carpenter bees.

This product comes in a liquid, oil-based formulation, which allows for easy mixing and application at a rate of 1.2 ounces per gallon of water. The insecticide is not discontinued and ranks well in its category, suggesting it is a popular choice among consumers. However, there are considerations to keep in mind. While effective, Deltamethrin can be harmful if not used properly, so safety precautions are essential during application.

Additionally, while it is formulated for long-lasting residual control, its environmental impact should be considered, especially in sensitive areas like gardens or near water sources. The product's versatility in usage scenarios is a major plus, but it requires careful handling to ensure safety and minimize negative environmental effects. This insecticide is a strong option for those needing a powerful, long-lasting solution to insect problems, including carpenter bees, provided it is used responsibly.