Stink Bugs Invading Maryland Homes: What Every Frederick Homeowner Needs to Know

If you live in Frederick, MD, or anywhere within a 50-mile radius—including cities like Gaithersburg, Rockville, Finksburg, and Germantown—you’ve probably noticed a familiar uninvited guest creeping into your home each fall: stink bugs.
These shield-shaped pests may seem harmless, but they can be a real nuisance—especially when they start showing up in your home in large numbers. At Senate Termite & Pest Control, we’ve helped thousands of local homeowners take back their homes from these stubborn intruders. Here’s what you need to know.
What Are Stink Bugs and Why Are They in My House?
The brown marmorated stink bug (Halyomorpha halys) is an invasive species originally from Asia. It thrives in Maryland’s climate, particularly in the Frederick area. These bugs enter homes in late summer and early fall looking for a warm place to overwinter.
Once inside, they tend to cluster near windows, light fixtures, attics, and even behind walls. And true to their name, when threatened or crushed, they release a foul-smelling odor that can linger for days.
Why Frederick and Surrounding Areas Are a Hotspot
Due to Frederick’s blend of farmland, wooded areas, and residential development, stink bugs thrive here more than in many other parts of the state. The same goes for nearby cities like:
- Mount Airy
- Urbana
- Walkersville
- Brunswick
- Eldersburg
The more vegetation around your home, the more likely stink bugs are nearby. These bugs feed on a wide range of crops and ornamental plants, making local gardens and landscapes an ideal habitat.
The Real Problem: Stink Bugs Multiply Fast
One or two stink bugs might not seem like a big deal—but by the time you see them inside, dozens (or hundreds) more could already be hiding behind siding, inside walls, or up in your attic.
Homeowners in Frederick County and the surrounding area often don’t realize how bad the infestation is until spring, when stink bugs emerge from hiding in large numbers.
What You Can Do
Here are a few preventative tips:
- Seal cracks and crevices around windows, doors, siding, and chimneys
- Install door sweeps and repair damaged screens
- Avoid squishing them indoors—vacuum instead (and empty the vacuum right away)
- Turn off outdoor lights at night, as stink bugs are highly attracted to them
But the most effective solution? A professional exterior barrier treatment combined with an inspection of potential entry points.
Local Pest Control That Works — Backed by Thousands of 5-Star Reviews
Senate Termite & Pest Control has been serving Frederick, MD, and surrounding areas for over 30 years. We know where stink bugs hide and how to stop them from coming back. Our local technicians are trained to treat your home using products that are effective but safe for families and pets.
👉 Our services are available in:
- Frederick
- Gaithersburg
- Eldersburg
- Rockville
- Mount Airy
- And dozens of towns in between
Get Ahead of the Invasion — Schedule Your Stink Bug Service Today
Don’t wait until stink bugs are flying around your bedroom or clinging to your curtains. Call Senate Termite & Pest Control now or book online to get started.
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Senate Termite & Pest Control
Serving Maryland Since 1991
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