Heavy Infestation — Confirmed 2018
Spotted Lanternfly inMaryland2026 Status & What To Do
Maryland went statewide quarantine in March 2026 — all 23 counties now under SLF quarantine order. Spans from DC suburbs through Frederick/Carroll wine country to the Eastern Shore.
Where it's confirmed
Key Affected Areas
FrederickMontgomeryPrince George'sHowardBaltimoreHarfordCarrollAnne Arundel
Local action resources
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Maryland MDA has quarantine maps, treatment guides, and permit info for Maryland.
Maryland MDA →Season-by-season tactics
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