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OSU Extension

College of Food, Agricultural, and Environmental Sciences


Spotted Lanternfly

To report a Spotted Lanternfly (SLF) sighting, please visit the following link: 


The spotted lanternfly (SLF) was first found in Pennsylvania in 2014. In 2022, at least two sites were reported in Mahoning County with one of these being confirmed as a reproducing population at this time. OSU Extension, ODA and other partners did a ground truthing exercise and found egg masses in March 2023 in northern Mahoning County.

The Spottled Lanternfly is not harmful to humans. They do not sting or bite, but they can be very destructive to many crops, trees and plants. They can also make a mess in your yard by excreting a sticky substance that causes the growth of black sooty mold.

Spotted Lanternfly

The preferred host of SLF is Tree of Heaven (Ailanthus altissima) another introduced invasive species. SLF, however, feeds on a wide variety of plants throughout its life cycle, with nymphs reported as having a more diverse palate than their adult counterparts. Spotted lanternfly nymphs and adults have been reported feeding on wild and domestic grapes, hops, fruit trees, willow, various hardwood trees, pines, shrubs, and vines. You can read more about our factsheet on SLF at


Spotted Lanternfly

Growers who could be most affected by this insect should be using scouting methods to ensure this insect is not at their farming location. If found, reporting should be done through ODA first through this link - and inform OSU Extension to assist. If the farm is near a confirmed location, growers can build a simple trap as part of an initial plan for control. The trap information below can also be viewed and printed here.

Lampshade Trap Construction for Spotted Lanternfly Egg Masses

Spotted Lanternfly

Contact us at any time for support for your farm here in Mahoning County.


Read more about the spotted lanternfly at: