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Emerald Ash Borer Consumer Resources

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Since the emerald ash borer (EAB) was discovered in a St. Paul neighborhood on May 14, Extension has been fielding phone calls about it. For years we have been preparing for this situation with partner agencies. Callers should be directed to the Extension EAB webpage for many resources on identifying EAB and making decisions about ash trees. 

A new publication on the webpage, "Insecticide Options for Protecting Ash Trees from Emerald Ash Borer," explains that trees 10 to 15 miles outside of where EAB has been discovered are at low risk of EAB infestation, and insecticide treatment could waste money. The publication gives detailed insecticide recommendations, including insecticide products, as well as guidelines for informed decision making. The webpage also provides a link to where people can track the spread and find out which counties have quarantines on wood products. 

Please check the EAB webpage for updated information on phone numbers before directing calls to various phone lines. In this changing situation, plans for fielding calls are in flux. Also watch for upcoming professional development opportunities to learn more about EAB resources. Phone calls from reporters may be directed to Catherine Dehdashti at 612-625-0237 or

Jeffrey Hahn
Extension Entomologist

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