Spotted Lanternfly inArlington County, VASPOTTED LANTERNFLY GUIDE
Arlington County was among the first DMV jurisdictions to confirm SLF in 2021, and now has one of the highest density populations in the region. Dense urban forest and extensive Tree of Heaven in stream valleys have fueled explosive growth. The county has an active Tree of Heaven removal program. Peak counts reach 200+ adults on single trees in September.
Highest activity zones
SLF Hotspots in Arlington County, VA
Four Mile Run stream valley
Active zone
Columbia Pike corridor
Active zone
Rosslyn-Ballston corridor
Active zone
Gulf Branch Nature Center area
Active zone
Route 1 corridor
Active zone
Primary SLF food source
Tree of Heaven in Arlington County, VA
Four Mile Run stream valley has dense Tree of Heaven populations that have fueled SLF establishment throughout Arlington. The county's active ToH removal program has made progress but populations remain high. Columbia Pike and the Rosslyn-Ballston corridor show consistent adult counts through the fall season.
Identify Tree of Heaven →Local action resources
What To Do in Arlington County, VA
Report a Sighting
Every sighting in Arlington County, VA maps the invasion front. Report directly to VDACS.
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 VA State Guide
County-level data, quarantine zones, treatment guides, and agency resources for the entire state.
See the full VA guide →Community intelligence
Live Sighting Map
See where SLF has been spotted near you in Arlington County, VA. Add your own sighting to help map the front.
Open the Map →Free weekly fight briefing
Fight SLF in Arlington County, VA.
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