Spotted Lanternfly inAllentown, PASPOTTED LANTERNFLY GUIDE
Allentown confirmed SLF in 2019, sitting squarely in the Lehigh Valley — the geographic corridor between Berks County (SLF ground zero) and New Jersey. A major distribution hub, the city has seen explosive SLF spread through suburban neighborhoods along the Lehigh River corridor. Cedar Creek Parkway is heavily colonized by Tree of Heaven and among the highest-activity zones in the region.
Where it's showing up
Key Neighborhoods
Highest activity zones
SLF Hotspots
Cedar Creek Parkway
Active zone
Lehigh Parkway
Active zone
Jordan Creek trail
Active zone
South Mountain park
Active zone
Hamilton Blvd commercial corridor
Active zone
Primary SLF food source
Tree of Heaven in Allentown, PA
Cedar Creek Parkway and the Lehigh River corridor are densely lined with Tree of Heaven, creating prime SLF habitat running through the heart of Allentown. Hamilton Blvd's commercial corridor and Jordan Creek trail add additional TOH-heavy zones. Lehigh Valley's position as a freight hub accelerates spread east toward New Jersey.
Identify Tree of Heaven →Local action resources
What To Do in Allentown, PA
Report a Sighting
Every sighting in Allentown, PA maps the invasion front. Report directly to PA Department 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 Allentown, PA. Add your own sighting to help map the front.
Open the Map →Free weekly fight briefing
Fight SLF in Allentown, PA.
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