Spotted Lanternfly: PennState Extension

Spotted lanternfly (SLF) is an invasive insect that has spread throughout Pennsylvania since its discovery in Berks County in 2014. SLF feeds on the plant sap of many different plants including grapevines, maples, black walnut, and other important plants in PA. Read more here.

If you see SLF, help us stop it in its tracks!

To report a sighting, use our reporting tool
or call our hotline at 1-888-422-3359.

Have you seen a Spotted Lanternfly? Let’s check!

Penn State University and Extension, United States Department of Agriculture (USDA), and PA Department of Agriculture (PDA) have joined forces to control and contain the spread of SLF. Penn State University is leading the research efforts. USDA and PDA are actively treating locations where SLF has been reported.
Please join the effort to control and prevent the spread of Spotted Lanternfly. We need everyone to protect their properties, communities, and the Commonwealth from this invasive insect that has the potential to change our landscape and quality of life.

Report sightings of the Spotted Lanternfly here and more details here.