Tree Pests & Diseases

Trees throughout the Midwest are subject to countless insect pests and diseases. Learn how to recognize signs of infestation or infection, ways to prevent attacks on your trees, and how to minimize damage when destructive insects and deadly diseases reach your yard.

worker drills hole into bark for injection
Wood-Boring Beetles: Identifying and Controlling These Destructive Pests
Boring beetles and other insects can be a destructive pest for your trees. Often going unnoticed, these insects ...
A large webworm nest made of silky white webbing completely encloses the end of a tree branch, creating a tent-like structure among the green foliage.
Webworm Infestations: How to Protect Your Trees
What are webworms? Webworms are caterpillars that spin silky webs in the branches of trees. They begin their ...
disease
Anthracnose: Identifying, Treating & Preventing This Common Tree Fungus
Anthracnose is a plant disease caused by fungi. It can cause severe damage to many species of trees, ...
Green leaves show white powdery patches characteristic of powdery mildew fungal disease covering the leaf surfaces and veins.
Preventing and Managing Powdery Mildew on Your Trees and Plants
What is powdery mildew?  Powdery mildew is a fungal disease caused by a variety of species in the ...
A bright red spider mite sits on a green leaf surface, showing the tiny pest's distinctive coloration and eight legs in sharp detail against a blurred background.
Spider Mites are Crawling in Trees Near You
What are Spider Mites? Like many other pests, spider mites are small arachnids that eat through your trees ...
A tree trunk shows severe root rot damage with the base and exposed roots displaying characteristic brown, decayed wood and deteriorated bark at the soil line.
Root Rot: Causes, Symptoms, and Treatment Options
What is root rot? Root rot is a common condition that affects trees, shrubs and other plants which ...
spotted lantern fly
Spotted Lanternfly Seen in the Midwest
What is the Spotted Lanternfly? The Spotted Lanternfly is a type of pest that is known for attacking ...