Tree Insects

Webbing on plants with stippled damage on foliage may indicate a spider mite infestation.

Armored scale insects are a large group of sucking insects that can be tricky to find, identify, and manage.

Leafminers feed between the upper and lower surfaces of a leaf.

There are many scale insects that feed on plants. They are often overlooked because they are immobile but they can cause serious damage to all types of plants.

Just like armored scales, soft scales are sucking insects of a wide variety of plants that can be challenging to control.

Have you noticed tiny insects jumping or hopping on your garden plants or trees? Leafhoppers are a category of insects that can cause tiny spots on leaves and spread plant diseases. Their feeding can cause leaf yellowing, leaf curling, and in some cases, leaf death.

The emergence of Brood X of the 17-year periodical cicadas will occur in the spring of 2021. This page covers the biology and behavior of cicadas, what to expect during the cicada emergence, and how to protect young trees from egg laying damage.

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

Oak trees are declining for a variety of reasons.

Factors to consider when removing a tree.