Boxelder Bug Prevention Tips For St. George Homeowners

April 15, 2020

When boxelder bugs come into your yard and start congregating on the exterior of your home, they can be unsightly to look at. There can be thousands of them huddled together in a mass. There can be hundreds crawling up surfaces or clinging to screens. It's gross; plain and simple. But the appearance of boxelder bugs on the outside of your home is not nearly as bad as having them get inside. The feces of boxelder bugs can stain your furniture, rugs, wallpaper, bedding, curtains, and more. Today, we're going to give you some tips to help you keep boxelder bugs out, and help you protect your property from being damaged.

boxelder bug crawling on stone


The number one way to keep boxelder bugs out of your home is to seal any possible entry points. There are a few vulnerabilities that these and other pests tend to target.

  • Gaps around door and window frames: Over time, your frames can develop gaps. These need to be sealed through the application of a high quality silicone caulk. A caulking gun is the tool for this job.

  • Holes created in door and window frames by wood-destroying pests: When carpenter ants, mice, rats, and other pests chew on your frames, holes can develop. You can use a caulking gun to fill those holes in if you need a temporary fix, or you can replace the frames.

  • Door sweeps: At the bottom of your exterior doors you should have door sweeps. If you don't, you should get door sweeps installed. If your door sweeps are damaged, it is important that you replace them to keep boxelder bugs, and a long list of other pests, out of your home.

  • Weatherstripping: This is the rubber seal around your exterior doors. You'll find it on the sides and on the top. If you can see sunlight coming in through tiny gaps in your weather stripping, you should have it replaced or have your doors adjusted to create a better seal.

  • Cracks in your foundation: If a crack is deep enough, boxelder bugs can use it to gain access to your basement, cellar, or wall voids. Foundation wall cracks around windows and doors are notorious points of entry, and can be difficult to patch, but patch them you must if you want to keep boxelder bugs out.

  • Plumbing pipes, wire conduit, wires, ventilation ducts, weep holes, and other foundation wall penetrations can have gaps around them. Often, a caulking gun is enough to seal these, but you might need expanding foam or a foundation repair kit to get the job done.

  • Soffits, fascia, and roofline: This is a hard location to inspect and seal. But boxelder bugs can crawl all over your home, from top to bottom. If you don't address gaps in your roofline area, these insects will be able to get in.

  • Chimney: Over time, a chimney stack can pull away from your home and create a vulnerability that boxelder bugs will take advantage of. They'll also go to the top of your chimney and fly down. Make sure your stack is sealed and that you have a chimney cap or damper that works to keep them out of your home.

  • Roof penetrations: Hopefully, you have good seals around your roof penetrations. If not, you'll have rainwater getting in, and that can be far more dangerous than boxelder bugs. But keep in mind that they can get in through gaps around roof penetrations.

How Pickett Can Help

Once you've done what you can do (or before) reach out to Pickett Pest Control. We provide exterior treatments that repel and eliminate boxelder bugs before they get into St. George's homes. Not only will this prevent them from getting inside and doing damage, it can also keep them from being an eyesore on the outside of your home. Reach out to us today. We're here to help.

Tags: boxelder bug tips | boxelder bugs | home pest control in utah |

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