Heavy Infestation — Confirmed 2014
Spotted Lanternfly inPennsylvania2026 Status & What To Do
Ground zero for SLF in the US. First confirmed in Berks County in 2014, now established statewide with heavy populations across southeastern PA.
Where it's confirmed
Key Affected Areas
BerksLancasterChesterLehighMontgomeryPhiladelphiaBucksYork
Local action resources
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PA Department of Agriculture has quarantine maps, treatment guides, and permit info for Pennsylvania.
PA Department of Agriculture →Season-by-season tactics
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