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Invasive Tree Pests

Invasive tree pests are insects and diseases that are not native to Missouri. These pests can easily travel in firewood. You can help protect our forests by purchasing firewood where you plan to burn it.

Asian Long-Horned Beetle

In This Section

Asian Long-Horned Beetle Control

These invasive beetles kill hardwood trees. Learn to identify their signs and help keep them out of Missouri.

Asian Long-Horned Beetle

Learn how to identify this invasive, potentially devastating insect! An unwanted arrival from Asia that's now living in parts of the United States, the Asian longhorned beetle could destroy millions of acres of American hardwoods. Report any sightings immediately.

Emerald Ash Borer

In This Section

Don't Move Firewood

Many tree-killing pests travel in firewood. If you love Missouri’s forests, buy firewood where you camp, and burn it all before you leave.

Don't Move Firewood Website

The Don't Move Firewood website has lots of cool resources to help you learn more about the pests and diseases that kill our forests. Great for teachers, students, and families who like to camp.

Emerald Ash Borer

Learn to ID and report signs of the emerald ash borer: a highly destructive, invasive beetle that kills every type of ash tree — even healthy, vigorous ones.

Emerald Ash Borer Info

Multinational, multistate website providing the latest information about emerald ash borer (sponsored by USDA Forest Service and Michigan State, Purdue, and Ohio State universities).

Emerald Ash Borer Management

Emerald ash borer is an exotic beetle that kills ash trees. Learn to identify and report EAB in your area.

Emerald Ash Borer Management Guide for Missouri Homeowners (pdf, 968 KB)

Consult the EAB Management Guide for Missouri Homeowners to help you make decisions about protecting your ash trees from this invasive pest.

Emerald Ash Borer Symptoms

Signs to look for when determining if an emerald ash borer is invading your ash trees.

Gypsy Moth

In This Section

Gypsy Moth & Missouri

These hungry insects aren't in Missouri yet, but they will drastically alter our forests if and when they arrive. Learn to avoid spreading these destructive forest pests.

Gypsy Moth

Accidentally introduced to the eastern United States from Europe, this species has been responsible for millions of dollars in damages to forests. You can help specialists to protect our forests by learning how to recognize the gypsy moth and its larvae and reporting any occurrences you find.

European Wood Wasp

In This Section

European Wood Wasp Control

Learn to identify and control this destructive forest pest, which attacks Missouri's pine trees.

European Wood Wasp (Sirex Woodwasp)

The European wood wasp, or sirex woodwasp, is known to cause the death of up to 80 percent of the pine trees in an area, and it could soon arrive in Missouri. Help protect our pines by learning how to identify this troublesome insect.

Thousand Cankers Disease

Because thousand cankers disease (TCD) kills black walnut trees, it poses a serious threat to Missouri’s important black walnut industry. Learn to ID and report early symptoms and signs.

In This Section

ID Thousand Cankers Disease

Use this information to identify TCD symptoms and report evidence.

TCD Frequently Asked Questions (pdf, 462 KB)

This brochure answers frequently asked questions about thousand cankers disease, which has not yet been found in Missouri.

Thousand Cankers Disease Brochure (pdf, 6 MB)

Because thousand cankers disease (TCD) kills black walnut trees, it poses a serious threat to Missouri’s important black walnut industry. Learn to ID and report early symptoms and signs.

TCD Kills Black Walnut Trees

Learn what you can do to identify and report symptoms of thousand cankers disease (TCD) in Missouri. Our state's black walnut industry depends on early detection and control.

Thousand Cankers Disease Action Plan (pdf, 489 KB)

The Thousand Cankers Disease Action Plan outlines monitoring, detection, reporting and response activities specific to thousand cankers disease of black walnut.

Trees & Plants

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