Spotted Lanternfly inWashington, DCSPOTTED LANTERNFLY GUIDE
Washington DC confirmed SLF in 2019. All 8 wards now report heavy populations. The dense Ailanthus network in DC alleys and Rock Creek Park margins created ideal spread corridors.
Where it's showing up
Key Neighborhoods
Highest activity zones
SLF Hotspots
Rock Creek Park margins
Active zone
Anacostia River corridor
Active zone
Kenilworth Aquatic Gardens area
Active zone
Alleys in NW quadrant (ToH dense)
Active zone
Primary SLF food source
Tree of Heaven in Washington, DC
DC alleys are lined with Tree of Heaven — the primary SLF food source. Aerial surveys show ToH in nearly every alley block in NW, NE, and SE quadrants.
Identify Tree of Heaven →Local action resources
What To Do in Washington, DC
Report a Sighting
Every sighting in Washington, DC maps the invasion front. Report directly to DC DOEE.
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 DC State Guide
County-level data, quarantine zones, treatment guides, and agency resources for the entire state.
See the full DC guide →Community intelligence
Live Sighting Map
See where SLF has been spotted near you in Washington, DC. Add your own sighting to help map the front.
Open the Map →Free weekly fight briefing
Fight SLF in Washington, DC.
One email per week. Your zip code. Your threat level. Your action plan. Know exactly what to do this week in Washington, DC.