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 ...
dutch elm tree
Dutch Elm Disease: Identifying, Treating, and Preventing This Deadly Tree Disease
Towering up to 80 feet tall, Elm trees (genus Ulmus) are found throughout the Northern Hemisphere and have ...
Iron Chlorosis: Identifying and Treating This Common Nutrient Deficiency in Trees
Iron chlorosis is a condition of trees and shrubs caused by an iron deficiency. It can be very ...
webworms
Webworms: Spinning Dangerous Webs on 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, ...
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 ...
Spider Mites are Crawling Near You
What are Spider Mites? Like many other pests, spider mites are small arachnids that eat through your trees ...
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 ...
carpenter ants
Carpenter Ants: A Homeowner’s Guide to Detection and Control
What Are Carpenter Ants? Carpenter ants are one of the most common types of ant found in North ...