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Emerald Ash Borer Control

From the Michigan State University Knight Center for Environmental Journalism.
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© 2011, Great Lakes Echo, Michigan State University Knight Center for Environmental Journalism. Republish under these guidelines. Reporting supported by the John S. and James L. Knight Foundation.

  • EAB Insecticides: Label Guidance for Use Limits pdf (PDF, 1,150KB)
    February 2012 - From the Minnesota Department of Agriculture
    Some insecticides used to control emerald ash borer (EAB) have annual per acre use limits. The Minnesota Department of Agriculture (MDA) offers this label guidance to help applicators and others comply with label directions, meet tree treatment objectives, and minimize environmental impacts. The MDA completed a special registration review of EAB insecticides in 2011. The review concluded that insecticides commonly used to control EAB are not likely to harm human health or the environment when used according to label directions.
  • Frequently Asked Questions Regarding Potential Side Effects of EAB Insecticides pdf (PDF, 311KB)
    February 2011
    Research and Extension Specialists from Michigan State University, the Ohio State University OARDC and Extension, and University of Minnesota Extension have put together a comprehensive publication that addresses questions and concerns regarding insecticide use to control emerald ash borer.
  • Coalition for Urban Ash Tree Conservation - EAB Management Statement pdf (PDF, 1MB)
    January 2011
    This document is an endorsement for ash tree conservation as part of integrated approach to managing emerald ash borer in urban areas, and is supported by university scientists with expertise in EAB management, commercial arborists, municipal foresters, public works officials, and non-governmental organizations (NGOs).
    Letter of Support for the Coalition's EAB Management Statement pdf (PDF, 80KB)
  • Insecticide Options for Protecting Ash Trees from Emerald Ash Borer pdf (PDF, 373KB)
    June 2009
    The most current, up-to-date information and research on if, when, and how to treat ash trees is available in this bulletin.
  • Ash canopy thinning and dieback photo illustration (PPT, 2.45MB)
    September 2007
    Effectively treating EAB-infested ash trees can be tricky. Many people are unaware of the degree of infestation their ash tree(s) may have, so Dave Smitley, Michigan State University entomologist, has created this guide that explains the stages of ash canopy thinning and dieback. These stages may help the homeowner determine if it is worth the effort to try to save the tree, or if it may be best to take it down.
  • Hiring A Tree Care Company

The following contain useful information for professionals:

  • "Slow Ash Mortality" – SLAM Pilot Project
    Description: The SLAM project is a collaborative effort involving Michigan State University, the USDA Forest Service, USDA Animal and Plant Health Inspection Service (APHIS), Michigan Technological University (MTU), the Michigan Dept. of Agriculture and Rural Development (MDARD), the Michigan Dept. of Natural Resources (MDNR), and Michigan Conservation Districts in Michigan's Upper Peninsula. The goal of the SL.A.M. pilot project in Michigan's Upper Peninsula is to delay and slow the expansion of ash mortality by reducing populations of the beetle in newly-infested sites, outside of known EAB infestations.

EAB Research and Technology Development Proceedings

  • Research abstracts and other information addressing the EAB problem in North America.

IMPORTANT NOTE: Since the emerald ash borer's discovery in 2002, research has been ongoing to develop tools to control and eliminate this pest. Currently, there are a number of treatments available for use by homeowners or tree care professionals that can provide a varying degree of beetle control. A review of all options is recommended. As more methods are developed, more information will be available. References to commercial products or trade names do not imply endorsement by the entities supplying the information, or bias against those not mentioned. Reprinting of any material on this site cannot be used to endorse or advertise a commercial product or company.