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36 Counties Tracked

YOUR COUNTYCOUNTIESSPOTTED LANTERNFLY AT THE LOCAL LEVEL

County-level spotted lanternfly data across Pennsylvania, New Jersey, New York, Maryland, and Virginia. Find confirmed infestation status, hotspot zones, and direct action guides for your county.

36
Counties Tracked
5
States Covered
2014
First U.S. Detection
2026
Data Updated
Northern Virginia

Virginia

2 counties tracked

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We're adding county pages across the SLF range. In the meantime, check our State Pages for statewide data, or Report a Sighting to add your county to the community map.

Status Guide

Heavy Infestation

Long-established populations, high SLF density, significant economic impact.

Moderate to Heavy

Established populations growing toward heavy density levels.

Confirmed — Moderate / Spreading

Confirmed presence, populations establishing and actively spreading.

Watch Zone

Adjacent to confirmed counties — early detection and reporting critical.

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