- (301) 829-0060
- Mt. Airy, MD
- info@pestshieldinc.com
Pest Shield, Inc. (MDA #30263) has provided yellow jacket removal and stinging insect treatment across Frederick County since 2011, with same-day emergency response confirmed across dozens of customer reviews. Owner Troy Yowell has approximately 35 years of pest management experience, including high-stakes work protecting U.S. military bases in Iraq and Afghanistan from disease-carrying insects — he brings that same thoroughness to locating and treating yellow jacket nests in Brunswick homes. Pest Shield holds a 5.0 rating across 338+ reviews on Google and HomeAdvisor, with stinging insect removal as its most heavily reviewed service category.
How it works
Four steps. No surprises. Same answer whether it's your first call or your tenth.
You reach Troy or someone on his team directly. No call center, no dispatcher, no routing.
Same-day or next-day for most calls. Emergency stinging-insect situations and real-estate WDI deadlines get priority.
We identify the species, locate entry points, and find the source — not just the symptom.
Written recommendation, straightforward pricing, no obligation. If you don't need treatment, we'll tell you.
If you’ve noticed yellow jackets flying in and out of a fixed point on your house — a gap in the siding, an exhaust vent, a crack in the soffit, a hole near the foundation — you’re watching a colony in active use. Late summer and early fall is the most dangerous time to have one. By August and September, a yellow jacket colony (Vespula spp.) has reached its maximum size — sometimes several thousand workers — and the foragers defending it are at their most aggressive. A nest that seemed manageable in June is a different situation by Labor Day.
Brunswick’s older in-town housing stock creates conditions yellow jackets actively seek out. These are the nesting locations that come up most often in homes with aging wood-frame construction:
The instinct to spray the entry point yourself is understandable, but it typically doesn’t reach the nest — it agitates the colony without eliminating it, and can push workers deeper into the wall or into the living space. Yellow jackets don’t need a large opening: a gap the width of a finger is enough to establish a colony that will spend the summer expanding inside your walls.
60+ years of combined experience. Tell us what you’re seeing — we’ll come look, no obligation.
I had yellow jackets going under my siding, between the brick and the siding. I called them and received a call back within few hours and Troy treated my house the same day. I also received a follow up text message to confirm that the bees were gone.
tracy marquez · July 2025 Read on Google →
My wife and I discovered a yellow jackets nest in our siding had moved inside our bedroom wall. Bees were starting to come into the bedroom through the baseboards and window. We called a few large companies first who tried to sell us on an initial price followed by 7 months of service. We’re glad we called Troy at Pest Shield. He gave us a low quote and even stood by it after noticing we had one of the larger nests he had come across this year. Troy was professional going over everything he was going to do while providing us options. We are no longer hearing bees in the wall and the outside activity has dwindled to a bee here or there. Nothing is choosing to go back where Troy sprayed. We really appreciate being bee free again.
djsportbike · August 2023 Read on Google →
On Saturday afternoon, I noticed what looked like the beginning of a water leak in my bedroom ceiling. However, when I got up to inspect it, my finger went right through the drywall and yellow jackets started pouring out. Thank goodness Troy was willing to come out on a Sunday to deal with this so we could get the use of our bedroom back. (My husband is highly allergic so having them inside the house was a health hazard.) Troy was punctual, explained what would happen and dealt with the little beasts very swiftly even though he said it was the largest nest he’d seen in his 35 years in the business. His price was reasonable. He refused to charge us extra for coming on a Sunday and for dealing with what turned out to be a huge nest. I’ve used Troy in the past for other pest management issues. He is honest, reliable and always solves our problems. I highly recommend Pest Shield, Inc. for all your pest issues.
Loretta Usilton · August 2024 Read on Google →
General pest & rodent control
The first step is locating the nest — not just identifying the entry point. Troy’s approach, documented consistently across stinging insect reviews, is to assess the property before treating: tracing flight patterns, inspecting likely void spaces, and determining where the colony is actually established. That matters because treating the entry point without reaching the nest leaves the colony intact. Once the nest location is confirmed, treatment is applied directly, with enough residual coverage to address foragers returning after the initial treatment.
Here’s what a typical yellow jacket removal visit looks like:
Same-day service is available for active yellow jacket situations in Brunswick — call (301) 829-0060 to confirm availability. Emergency response, including Sunday service, is documented across Pest Shield’s stinging insect reviews.
After treatment, expect to see some forager activity at the entry point for several hours — workers returning to a nest that’s no longer viable will mill around the entry and gradually disperse. This is normal and does not mean the treatment failed. Avoid the treated entry point for a few hours after service; once returning forager activity has subsided, the area is safe. Pest Shield’s stinging insect treatments use EPA-approved products appropriate for residential use. The treatment comes with a seasonal warranty: if yellow jackets return to the same location within the season, Pest Shield comes back at no charge.
Owner
Founded Pest Shield in 2011 after years as a pest management contractor on U.S. military bases in Iraq and Afghanistan. Around 35 years in pest management. Personally handles or leads the majority of service calls.
Pest Management Specialist
Field technician handling residential and commercial service calls across Frederick, Carroll, and Montgomery counties.
Pest Management Specialist
Field technician handling residential and commercial service calls across the service area.
Our Entomologist
Consulting entomologist on species identification, conducive conditions, and treatment strategy for difficult cases.
Brunswick sits in the southwestern corner of Frederick County along the Potomac River, roughly 15 miles southwest of Frederick via MD-17 and US-340. The town is bordered by the C&O Canal National Historical Park to the south and wooded hillsides to the north, with the MARC Brunswick Line running through the center of town. Pest Shield serves Brunswick as part of its Frederick County coverage area, alongside Middletown, Myersville, and other western Frederick communities.
The older wood-frame housing concentrated near Brunswick’s historic downtown — homes with aging soffits, original exhaust penetrations, and lap siding with weathered gaps — provides exactly the void spaces yellow jackets seek for late-season nesting. The Potomac River corridor’s wooded margins and agricultural edges also sustain high yellow jacket pressure through August and September, when colonies are largest and foragers range farther from the nest. That combination of vulnerable housing stock and sustained late-summer pest pressure makes yellow jacket removal one of the most common calls received from this part of Frederick County — and it’s why pest control in Brunswick covers stinging insect response as a core part of year-round service.
Yes — same-day service for active yellow jacket situations is available in Brunswick. Call (301) 829-0060 directly; Pest Shield dispatches without a call center, so you’re talking to the people who will do the work. Emergency response, including Sunday service at no extra charge, is documented across Pest Shield’s stinging insect reviews. Availability varies by schedule, but same-day and next-day response is the consistent pattern for stinging insect calls.
Yes, and it’s worth calling the same day rather than waiting. A yellow jacket colony at peak late-summer size — which is typical in Brunswick from August through October — can have several thousand workers, and a household member with a known sting allergy faces real risk from a nest in or on the structure. Troy has documented experience prioritizing service for households with allergic family members; Loretta Usilton’s review specifically describes him coming out on a Sunday because her husband’s allergy made an interior nest a health hazard. Call (301) 829-0060 and mention the allergy when you call — that context helps with scheduling.
Yellow jackets don’t reuse old nests — the colony dies off in winter and the nest is abandoned. However, a new queen can establish a new colony in the same void or ground location the following spring if the entry point remains accessible and the site is otherwise attractive. Pest Shield’s treatment comes with a seasonal warranty covering the current season; for longer-term prevention, sealing the entry point after the colony is confirmed dead is the most reliable step. Troy can advise on that during or after the service visit.
Yellow jackets (Vespula spp.) are compact, with bright yellow and black banding and no visible waist — they look stocky compared to paper wasps, which are slender with a pinched midsection and tend to build open, umbrella-shaped nests under eaves. Bald-faced hornets are larger, black and white rather than yellow, and typically build the large gray papery nests you see hanging from tree branches or soffits. Yellow jackets almost always nest in enclosed spaces — wall voids, ground holes, exhaust vents — and their entry point is usually a small gap rather than an exposed nest. If you’re not sure what you’re dealing with, a free assessment from Pest Shield will confirm the species before any treatment is recommended.
Physical removal isn’t required for treatment to be effective — and for nests inside wall voids or exhaust ducts, removal often isn’t practical without opening the structure. Once the colony is eliminated, the nest is inert: yellow jackets won’t reuse it, and it won’t attract other pests in any meaningful way. In accessible locations like attic spaces or under decking, removal is an option if you want to clean up the site, but it’s not a condition of the treatment being complete. Troy will let you know what’s accessible and what makes sense for your specific situation.
