. It seems like you guys will be able to experience them first hand in the coming weeks--they should be restricted to the SE, and probably not extend too much into the central portion of the state. Here is a resource that you might find useful if questions come up:
This link provides a map reflecting the expected emergence, and some other information.
Feel free to share with colleagues in your region. If I can help somehow, please let me know.
John F. Tooker
Department of Entomology
Penn State Extension
Penn State University
501 ASI Building
University Park, PA 16802