The emerald ash borer is an insect that, in a matter of time, will destroy any ash tree.

Because the bug has begun making its way across Iowa and Illinois, an Iowa State University Extension and Outreach entomologist, in collaboration with an Iowa Department of Agriculture and Land Stewardship entomologist, has written a new publication to help people identify signs of the pest under the bark.

“EAB or Native Borer?” by Mark Shour and Todd Voss offers a side-by-side comparison of the emerald ash borer and several native borers, which only attack declining or dying ash trees.

The exotic emerald ash borer kills both healthy and declining ash trees. The publication (PM3065) is available for free download from the ISU Extension and Outreach Online Store, store.extension.iastate.edu.

To learn more about EAB and other pests that are threatening Iowa’s tree population, please visit:

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Or contact Mark Shour, ISU Entomology, at 515-294-5936 or mshour@iastate.edu.

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