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Brown Marmorated Stink Bug moving in this fall

The Brown Marmorated Stink Bug (Halyomorpha Halys to its few friends) is a relatively new American annoyance, believed to have hitchhiked over from Asia in a shipping container and first identified in Allentown, Pennsylvania in the late 1990s. It has since spread to more than 40 states - ours being one of them.

The shield-shaped, roughly half-inch bug doesn't bite, sting, spread disease, damage your house, or reproduce indoors. It doesn't even eat anything while it's in your home.


What it does is hunker down for the winter in your walls, baseboards, attic, and light fixtures - and then stumble out, confused and buzzing, at inopportune moments. Crush one and you'll learn how it got its name: a pungent, slightly cilantro-adjacent funk that also, unhelpfully, attracts more of them to the same spot.

They sneak in during September and October through the kinds of gaps your house has always had but you never noticed - around window frames, door sweeps, utility pipes, siding seams, and soffits. The best defense is caulk and weather stripping, applied before fall. Once they're inside, the experts are united: don't spray. Indoor pesticides are mostly useless and can attract carpet beetles that feed on the dead bugs. Just vacuum them up (shop vac preferred, since regular vacuums will smell for weeks) and dump them into soapy water.


This story was posted on 2026-07-17 10:34:18
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Stink Bugs are not native but here anyway



2026-07-17 .
They sneak in during September and October through the kinds of gaps houses always have that go unnoticed - around window frames, door sweeps, utility pipes, siding seams, and soffits. The best defense is caulk and weather stripping, applied before fall. Once they're inside, the experts say, don't spray.

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