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.

A tree in Oklahoma showing yellow leaves with green veins, classic symptoms of iron chlorosis in alkaline Great Plains soil.
Treating Iron Chlorosis: Why Fall Gives Great Plains and Midwest Trees the Best Chance
Have you walked outside this summer and wondered why your beautiful tree suddenly looks sickly yellow? Across the ...
An arborist from Arbor Masters spraying a tree with preventive insecticides in Lee’s Summit, MO.
4 Common Kansas City Tree Pests Homeowners Need to Watch For
Tree-killing pests are becoming an all-too-common problem in Kansas City – and it’s costing homeowners thousands. Insect infestations ...
Healthy oak leaves on a tree in the Great Plains.
Hypoxylon Canker: What Homeowners Need to Know to Protect Their Trees
Beneath the bark of your oaks and other shade trees could be a fungal disease that kills them ...
An elm leaf demonstrating the signs of bacterial leaf scorch in Oklahoma City, OK.
What You Need to Know About Bacterial Leaf Scorch in Oklahoma City
Noticing your tree’s leaves turning brown around the edges – even though it’s only July? You’re right to ...
An oak with large horned oak galls in a yard in the Midwest.
Horned Oak Gall: What Those Spiky Growths on Your Oak Tree Really Mean
Have you noticed strange, spiky growths on the branches of your oak trees? These swollen, woody lumps covered ...
Cluster of oak leaves showing early signs of oak wilt, with green leaves beginning to turn yellow and brown at the edges.
Oak Wilt: The Tree Disease You Can’t Afford to Ignore
When homeowners see their oak trees dropping leaves or turning brown in the middle of summer, it’s easy ...
Leaves that are discolored and dying on a tree in Goddard, KS.
From Leaf Spots to Dead Branches: Diagnosing Tree Diseases in Wichita
When you look at your trees in the summer and notice they don’t look quite right, you’ll likely ...
Yellow oak leaves showing the signs of insect and disease stress in Tulsa, OK.
6 Tips to Protect Your Tulsa Trees from Insects and Disease This Summer
Ben Franklin famously said, “An ounce of prevention is worth a pound of cure.” And while he might ...
An emerald ash borer adult on a leave in Wichita, KS
How to Protect Your Wichita Trees from Emerald Ash Borer and Other Invasive Pests
By now, you’ve probably heard that emerald ash borer is spreading fast across Kansas, having already been confirmed ...
The trademark bag that bagworms produce on a tree.
Protecting Your Midwest Trees from Bagworm Infestations
Leaving bagworms in your tree could cost you – literally. In some cities across the Midwest, failing to ...