Tree Diseases, Insects & Pests

Pests and diseases pose significant threats to trees, whether in nature or in your own yard. Equip yourself with the information necessary to identify issues early, address problems before they cause severe damage, and prevent these threats from taking hold in the first place.

A close up look of a caterpillar of gypsy moth that is one of the tree pests in Missouri.

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Want more local tree care information? Sign up for the Mathais Precision newsletter to receive expert tips, seasonal updates, and the latest tree care trends tailored for the St. Louis and St. Charles, MO area. Stay informed and keep your landscape thriving all year round!

Mathias Precision removing a dying oak tree from a residential yard near St Louis, MO.
Why Oak Trees Are Dying in Missouri and How to Help
Discover why Missouri's oak trees are dying and how to protect them. Learn about common threats, prevention strategies, and expert care for your important oaks.
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A topped tree on a residential property in Eastern Missouri.
Why You Should Never “Top” Your Trees in Eastern Missouri
Learn why tree topping is harmful and discover safer, more effective alternatives to maintain your trees' health and beauty in Eastern Missouri.
Learn More →
Two adult EAB beetles on a leaf near St. Louis, MO.
How to Save Your Ash Trees from EAB in Missouri
Learn how to protect your ash trees from emerald ash borers in Missouri. Discover early signs, treatment options, and prevention tips to save your trees from this invasive pest.
Learn More →
A fallen tree on a home in St. Louis, MO following a tornado.
How to Protect Your Trees from Tornado Damage in Missouri
Learn how to protect your trees from tornado damage in Missouri. Discover tree care tips, preventive measures, and post-storm care for stronger, resilient trees.
Learn More →

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