Adelges tsugae Photo credit: Nicholas Tonelli
Sirex noctilio Photo credit: © George Wilkinson/Flickr
Anoplophora glabripennis Photo credit: Linda Hubley, United States Department of Agriculture
Lymantria dispar Photo credit: Pixabay.com
Insects & Arachnids
Common: Species found in at least 1/3 of Pennsylvania counties.
Uncommon: Species found in Pennsylvania, but not widespread (i.e., found in less than 1/3 of Pennsylvania counties.)
Not present: Species not yet found in Pennsylvania.
Note: Species list updated in September 2021.