http://elibrary.dcnr.pa.gov/GetDocument?docId=1743307&DocName=Copy%20of%20dcnr_20031737.pdf
The Bureau of Forestry has discontinued what was known as the Cooperative Gypsy Moth Suppression Program. The only funded spraying is on State Forests or State Parks.
According to the 2021 web information, landowners are responsible for their own properties. A list of applicators is available for landowners on the following webpage: https://www.dcnr.pa.gov/.../GypsyMoth/Pages/default.aspx