10 Best Carpenter Bee Insecticide 2025 in the United States

Spectracide 96410 Termite Killer is a concentrated liquid insecticide designed mainly for outdoor use, targeting termites, carpenter ants, and carpenter bees. It comes as a concentrate you mix with water, making it flexible for treating large areas—up to 16,000 square feet from one 32-ounce bottle. The product works by killing pests on contact and offers up to about 8 weeks of control, which helps reduce repeat applications. It is intended for creating barriers around foundations, wood structures, and outdoor woodpiles, which is useful if you have issues with wood-damaging insects near your home.

While it controls carpenter bees and some ants, its termite effect is more for localized control and not a full termite treatment, so it may not be the best choice if you have a serious termite infestation that requires professional-grade solutions. The concentrate format means you need to carefully follow mixing instructions, which might be less convenient than ready-to-use sprays but allows for better value and more coverage.

Safety-wise, as with many insecticides, care should be taken to avoid contact with skin or inhalation, and it’s for outdoor use only, which limits indoor application options. Environmental impact details aren't explicitly listed, but like many broad-spectrum insecticides, it’s important to avoid applying near water sources and to follow label directions to minimize harm to beneficial insects or pets. Spectracide 96410 is a strong choice for homeowners dealing with carpenter bees and ants around outdoor wood structures who want a cost-effective, moderately lasting treatment. It requires safe handling and proper application, but it is not a full termite eradication product.

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 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.