The brown marmorated stink bug wasn’t even on the radar in Iowa a couple of decades ago. It arrived from Asia, worked its way across the country, and now it’s a fixture of fall pest season in Pacific Junction and throughout southwest Iowa. When September rolls around and temperatures start dropping, these shield-shaped insects pile up on exterior walls, squeeze into wall voids, and hunker down for winter inside your home. Miller Pest Solutions has effective tools to stop that from happening.
Signs of a Stink Bug Infestation
- Large numbers of brown, shield-shaped bugs massing on the south- or west-facing exterior walls of your home in September and October.
- Stink bugs crawling along window frames, entry doors, and soffits looking for gaps to slip through.
- Bugs appearing inside your home — on walls, ceilings, window sills, or light fixtures — especially on warm winter days when they rouse from dormancy.
- A distinct skunky or cilantro-like odor when bugs are disturbed or crushed.
- Aggregations emerging from wall voids and attic spaces in spring as insects try to exit back outside.
Why Stink Bugs Are Common in Pacific Junction
Brown marmorated stink bugs (Halyomorpha halys) spread aggressively across the Midwest once they established in the region. Pacific Junction’s mix of residential neighborhoods, tree cover, and agricultural surroundings gives them plenty of summer habitat for feeding. Come fall, the instinct to find overwintering shelter kicks in hard — and homes and outbuildings in Pacific Junction are exactly what they’re looking for.
Southwest Iowa homes often have the kind of building features stink bugs exploit: vinyl siding with gaps behind it, older window frames, attic vents without fine screening, and soffits with small openings. Once a few bugs find their way in and release aggregation pheromones, more follow. Hundreds or even thousands can end up inside a wall cavity over winter.
They’re not dangerous — they don’t bite, don’t breed indoors, and don’t damage structure. But the smell when one gets crushed, and the steady stream of them appearing inside your living space all winter, is enough to drive most homeowners to act.
Our Stink Bug Control Process
Timing is critical with stink bug control. The most effective window is early fall — before large numbers enter the building envelope.
- Exterior perimeter treatment: We apply a residual insecticide barrier around the foundation, window frames, door frames, eaves, and other entry points before stink bugs begin their fall migration. This kills bugs that land on treated surfaces before they find a way in.
- Exclusion sealing: We identify and seal the gaps, cracks, and openings that bugs use to enter — attic vents, window frame gaps, utility penetrations, soffits.
- Interior treatment: For homes already experiencing interior activity, we can treat wall void access points and attic areas to reduce the active population.
One important note: do not crush stink bugs indoors. The odor is difficult to remove and can linger. Vacuum them up instead and dispose of the bag outside.
Why Choose Miller Pest Solutions
Miller Pest Solutions has been serving Pacific Junction and the broader southwest Iowa and Omaha metro area since 2001. Joel Miller has been personally involved in pest control since 2007. We’re QualityPro Certified and NPMA members — not a franchise following a one-size-fits-all script, but a real local company that understands the pest pressures specific to this region.
We give you straight answers. If a fall perimeter treatment can solve your stink bug problem, we’ll tell you that. If your building has exclusion issues that need to be addressed, we’ll tell you that too.
Get a Free Phone Bid Today
Don’t wait until stink bugs are already inside your walls. A fall treatment scheduled before the migration is far more effective — and less expensive — than trying to deal with an existing infestation mid-winter.
Call Miller Pest Solutions for a free phone bid: (402) 769-0997
Or visit millerthekiller.com

