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Emerald Ash Borer Management

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metallic, emerald-green beetle on ash leaf

Learn to identify and report this tree-killing pest

Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic Asian beetle accidentally introduced into North America before 2002. Its larvae feed on and kill ash trees, creating regulatory headaches and costing millions in control measures. In July 2008, a small EAB infestation was discovered at a Wappapello Lake campground. Since then, the beetle has been detected in several other areas in the state. You can help slow its spread by detecting it early in your area. Use the Emerald Ash Borer CSI brochure below, and report signs of EAB at Missouri's Emerald Ash Borer Program website.

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Emerald ash borer beetle shown against penny

Emerald Ash Borer Size

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photo shows squiggly tunnels emerald ash borer beetles leave in ash trees

Emerald Ash Borer Damage

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emerald ash borers leave D-shaped exit holes in ash tree bark

Emerald Ash Borer Exit Hole

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emerald-green beetle hiding in D-shaped hole in ash tree

D-Shaped Emerald Ash Borer Hole

Emerald Ash Borer Symptoms

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

In This Section

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.

MU Extension's Emerald Ash Borer Program

University of Misouri Extension's information site about the Emerald Ash Borer: "This website is the information source on EAB for those affected by, or potentially affected by, the insect's presence in our state. Please visit this site often to stay informed about this invasive pest."