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.

Stay in the Loop!

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!

The Mathias Precision team lowers a log onto a trailer during a tree removal in Lake St. Louis, MO.

6 Signs of When to Remove a Tree in Missouri

Is your tree a danger waiting to happen? Discover how to spot the warning signs and determine when to remove a tree to protect your St. Louis property.

An arborist from Mathias Precision Tree Service selectively pruning a dormant tree in St Louis, MO

Why Winter Is the Best Time to Prune Trees in Missouri

Find out why winter is the perfect time for tree pruning in the St. Louis and St Charles areas. Get expert tips on keeping trees healthy all year round.

Trees showing their fall colors in St Louis, MO.

Essential Fall Tree Care Tips for St. Louis & St. Charles, MO

Learn essential fall tree care tips for St. Louis homeowners. From pruning to planting, discover how to protect your trees and prepare them for winter weather.

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.

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.

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.

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.

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