Destructive and invasive insects, fungal and bacterial diseases, and other pests harm and kill trees throughout Montgomery and Bucks Counties. Learn how to identify, prevent, and control these problems.
Pennsylvania Hemlocks: Battle Against Hemlock Woolly Adelgid
The hemlock woolly adelgid is an insect pest killing up to 80% of hemlock trees in some areas. Learn what Pennsylvania is doing to stop the attack.
5 Leaf-Eating Insects and the Damage They Cause in PA
Pennsylvania is under attack by a host of leaf-eating insect pests that can hurt your trees. Fighting them starts with identification.
Bacterial Leaf Scorch
Bacterial leaf scorch is a common and fatal tree disease in eastern Pennsylvania, but it doesn’t have to mean the end for your tree. With the right treatment and preventive actions, you can reduce the spread of BLS and keep your trees healthy.
Spotted Lanternfly – Pest Profile & FAQs
The spotted lanternfly is an invasive pest causing damage to trees and landscapes across Pennsylvania. Learn how to identify its many stages and limit the harm it does on your property.
Emerald Ash Borer – Get Your Trees Protected
This invasive pest, first discovered in Bucks and Montgomery Counties in 2012, kills ash trees within 1 to 2 years of infestation. Without protective treatments, ash trees will die (it's not "if" but "when").
