Spotted Lanternfly inDutchess County, NYSPOTTED LANTERNFLY GUIDE
Dutchess County — with Poughkeepsie as its county seat — confirmed SLF in 2021 as populations expanded northward through the Hudson Valley along the Metro-North Hudson Line and I-84 corridor. The county's Hudson Valley Wine Trail, anchored by Clinton Vineyards and Millbrook Vineyards, faces a maturing SLF population that threatens premium wine grape production. Vassar College's wooded campus and the Taconic State Parkway corridor have become significant SLF zones. The Walkway Over the Hudson connects Dutchess County to Ulster County, creating a continuous spread pathway across the river. Vanderbilt National Historic Site and its historic grounds represent a high-profile monitoring location as SLF becomes entrenched in the mid-Hudson Valley.
Highest activity zones
SLF Hotspots in Dutchess County, NY
Millbrook winery district
Active zone
Hudson River Heritage Site
Active zone
Taconic State Parkway corridor
Active zone
Vanderbilt National Historic Site grounds
Active zone
Primary SLF food source
Tree of Heaven in Dutchess County, NY
Tree of Heaven is well established along the Taconic State Parkway corridor and Metro-North Hudson Line rail embankments throughout Dutchess County, creating continuous SLF dispersal pathways from Westchester County north through Poughkeepsie and into the rural interior. The Millbrook winery district road margins have ToH in hedgerows and field edges adjacent to premier vineyard operations — a direct threat to Dutchess County's wine industry. Hudson River Heritage Site and Vanderbilt National Historic Site grounds are additional high-priority Ailanthus and SLF monitoring zones.
Identify Tree of Heaven →Local action resources
What To Do in Dutchess County, NY
Report a Sighting
Every sighting in Dutchess County, NY maps the invasion front. Report directly to NY Department of Agriculture & Markets.
Report Now →Squish on Sight
See a spotted lanternfly? Kill it immediately — it is legal and encouraged in all states. Learn the best kill methods.
Full Fight Guide →Map ToH in Your Block
Tree of Heaven removal cuts off SLF food supply. Add ToH sightings to the community map to guide removal efforts.
View Sighting Map →Statewide resources
Full NY State Guide
County-level data, quarantine zones, treatment guides, and agency resources for the entire state.
See the full NY guide →Community intelligence
Live Sighting Map
See where SLF has been spotted near you in Dutchess County, NY. Add your own sighting to help map the front.
Open the Map →Free weekly fight briefing
Fight SLF in Dutchess County, NY.
One email per week. Your zip code. Your threat level. Your action plan. Know exactly what to do this week in Dutchess County, NY.