The spotted lanternfly is an insect that has spread throughout Pennsylvania since its discovery in 2014. It feeds on the plant sap of many plants like black walnut or grapevines.
Why Should You Care
This is a serious pest with an appetite for plants, affecting the quality of the outdoors. This insect could drain Pennsylvania’s economy of $324 million annually. It uses its mouthpart to feed on the sap of over 70 plants. They excrete honeydew which encourages growth of sooty mold.
Where is it found?

It is found in 34 counties in Pennsylvania, which are under state-imposed quarantine. This is in place to stop the movement of the insect to new areas. It is also found on New Jersey, New York, Ohio, Connecticut, Maryland, Delaware, Virginia, and West Virginia.
For more information visit The Pennsylvania Department of Agriculture.