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Westchester County
Local alerts, seasonal forecasts, regulatory updates, and industry news for Westchester County homeowners who want to stay ahead of pests.
Brown marmorated stink bugs cost mid-Atlantic apple growers $37 million in one season. Now they're clustering on Westchester homes, and crushing them is the wrong move.
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Both pests need damp air, and fall humidity swings are making basements and bathrooms more hospitable. Neither is the real problem, they're a signal a moisture issue needs fixing.
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Orange beetles massing on sunny walls this month usually aren't native ladybugs. They're Asian lady beetles, and they can bite, stain, and trigger allergies indoors.
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A cold snap followed by a warm spell sends boxelder bugs swarming toward sunny walls by the hundreds. Here's the biology behind the swarm and how to tell it apart from a stink bug.
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A genetic trait first documented by NC State researchers makes glucose taste bitter to some German cockroaches, letting them detect and reject standard sugar-based bait entirely.
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Raccoons treat a chimney like a hollow tree, and fall is when they start testing rooflines for a den. An entry point sealed now can prevent a spring maternity den later.
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Powassan virus rides the same deer tick as Lyme disease but can transmit in 15 minutes. National cases jumped from 7 in 2015 to 76 in 2025, and neighboring Dutchess and Putnam counties already have documented cases.
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The Asian longhorned tick was first confirmed in New York State in Westchester County in 2018. In 2026 it reached farther north than ever, and a single tick can start an infestation alone.
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A wet 2024 and 2025 let a natural fungus crash the Hudson Valley's spongy moth population after the 2023 outbreak. Westchester's active drought warning is the exact condition that could bring it back.
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Virginia Tech found a gene mutation already known for making German cockroaches hard to kill, now fixed in North American bed bug populations. Here's the researchers' theory on how it got there.
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Eastern Equine Encephalitis kills roughly 3 in 10 people it infects. New York recorded its first human case in nearly a decade in 2024, and the virus turned up in 15 counties statewide.
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The palm-sized, gold-webbed spider making headlines up the East Coast still hasn't been confirmed in New York. Here's the real range map and how to tell it apart from Westchester's native look-alikes.
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Westchester County's health department confirmed the season's first West Nile-positive mosquito batch, one out of 61 tested so far. Here's what the county is recommending right now.
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The Eastchester/Bronxville coyote case resolved months ago. The conditions behind it, and Westchester's fall wildlife-conflict season, are right around the corner.
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New state warnings track the spread to nine regions. Cornell puts the grape industry's exposure at $14 million. A new federal bill just made it Washington's problem too.
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NY confirmed West Nile-positive mosquito pools one county over. Westchester's own trapping program has logged a human case every year since 2024. Here's the response protocol and what's still on homeowners.
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Stony Brook Medicine found NY's first Bourbon virus case buried in years of banked blood samples. The lone star tick behind it is expanding across the state, and most tick plans still aren't built around it.
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An exterminator started work near Larchmont's train station. White Plains issued summonses over a construction-driven infestation. Westchester is named among the nation's most rat-infested counties.
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The wasp long assumed to be New York's biological fix was disqualified. Its replacement is stuck in federal review while Westchester's 2026 population surges and lab studies show the bug adapting fast.
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Legislation making the tick-bite meat allergy reportable passed unanimously. Westchester sits between Long Island's hot zone and the Hudson Valley's expanding one, with no county numbers of its own yet.
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GrubEx Pro, Merit, and 400+ other common lawn products are banned from NY turf and ornamentals effective January 1, 2027. Here's what to do before the last legal grub season closes.
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