Tree Insects

Factors to consider when removing a tree.

Needled evergreens are the preferred host of bagworms but don't be surprised to see the bags on the branches of shade trees.

Prevent, diagnose and manage ornamental cherry tree problems

Oak trees are declining for a variety of reasons.

White Prunicola Scale (Pseudaulacaspis prunicola) is a non-native type of armored scale insect that can be difficult to manage.

The European hornet is the only true hornet in the United States. The notches on the abdomen distinguish it from the Asian Giant Hornet ("murder hornet"), which is not present in Maryland.

If tiny tubes of dust appear at about 3 feet above the ground on the trunk of dying trees, ambrosia beetles might be the cause.

Caterpillars of spongy moths are a serious pest of oak trees in Maryland.