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Heavy Infestation β€” Confirmed 2018

Spotted Lanternfly inPhoenixville, PASPOTTED LANTERNFLY GUIDE

Confirmed
2018
Population Served
20,945
Status
Heavy Infestation

Chester County's Phoenixville confirmed SLF in 2018. The Schuylkill River waterfront and French Creek corridor are lined with Tree of Heaven, and the former steel mill brownfield sites throughout the borough are major TOH colonization zones β€” classic disturbed industrial land that SLF thrives on. Phoenixville's revitalized downtown and brewery scene, including Sly Fox Brewing whose local hop production faces direct SLF risk, make this a high-profile SLF impact community. Proximity to Valley Forge National Historical Park adds further ecological significance.

Where it's showing up

Key Neighborhoods

Schuylkill River waterfrontFrench Creek corridorSteel mill brownfield areaBridge Street arts districtPA 23 commercial corridor

Highest activity zones

SLF Hotspots

1

Schuylkill River Trail

Active zone

2

French Creek State Park

Active zone

3

Steel Mill brownfield area

Active zone

4

Bridge Street arts district

Active zone

5

PA 23 commercial corridor

Active zone

Primary SLF food source

Tree of Heaven in Phoenixville, PA

Phoenixville's former steel mill brownfields are textbook Tree of Heaven colonization sites β€” disturbed industrial soils with minimal competition allow TOH to dominate, and dense SLF populations thrive throughout these zones. The Schuylkill River Trail has heavy TOH along the waterfront connecting Phoenixville to the broader Schuylkill Valley infestation corridor. French Creek State Park extends prime SLF habitat into surrounding Chester County. Sly Fox Brewing's local hop production is at direct risk from SLF feeding pressure as populations build through the borough.

Identify Tree of Heaven β†’

Local action resources

What To Do in Phoenixville, PA

Report a Sighting

Every sighting in Phoenixville, PA maps the invasion front. Report directly to PA Department of Agriculture.

Report Now β†’

Squish on Sight

See a spotted lanternfly? Kill it immediately β€” it is legal and encouraged in all states. Learn the best kill methods.

Full Fight Guide β†’

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 β†’

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 β†’

Community intelligence

Live Sighting Map

See where SLF has been spotted near you in Phoenixville, PA. Add your own sighting to help map the front.

Open the Map β†’

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