Spotted Lanternfly inErie County, PASPOTTED LANTERNFLY GUIDE
Erie County sits at the far northwestern corner of Pennsylvania, where Lake Erie's shoreline creates a major gateway for spotted lanternfly spread into the Great Lakes region. Confirmed in 2023, SLF reached Erie County via the I-90 and I-79 corridors that connect the Pittsburgh metro to the Lake Erie port city. Erie's industrial waterfront, rail infrastructure, and heavy freight traffic have accelerated localized spread since confirmation. The county's position on the lake shore makes it a potential jumping-off point for SLF to extend into Ohio and beyond, making rapid containment and public reporting especially critical here.
Pennsylvania is under a statewide spotted lanternfly quarantine. Moving plants, outdoor items, or vehicles out of quarantined areas requires inspection.
Highest activity zones
SLF Hotspots in Erie County, PA
Erie City
Active zone
Millcreek Township
Active zone
Fairview
Active zone
Edinboro
Active zone
Girard
Active zone
Primary SLF food source
Tree of Heaven in Erie County, PA
Lake Erie shoreline industrial zones and brownfield sites in and around Erie City host significant Tree of Heaven populations that fuel SLF establishment. I-90 and I-79 corridor medians carry Ailanthus extending from the Pittsburgh metro northwest toward Erie. Norfolk Southern rail lines through the county have Ailanthus at track margins providing SLF dispersal pathways into the port city and surrounding townships.
Identify Tree of Heaven →Local action resources
What To Do in Erie County, PA
Report a Sighting
Every sighting in Erie County, PA maps the invasion front. Report directly to PA Dept of Agriculture.
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 PA State Guide
County-level data, quarantine zones, treatment guides, and agency resources for the entire state.
See the full PA guide →Community intelligence
Live Sighting Map
See where SLF has been spotted near you in Erie County, PA. Add your own sighting to help map the front.
Open the Map →Free weekly fight briefing
Fight SLF in Erie County, PA.
One email per week. Your zip code. Your threat level. Your action plan. Know exactly what to do this week in Erie County, PA.