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Emerald Ash Borer Introduction. 2010 Minnesota Community Preparedness Workshops. Why is EAB Important?. Exotic pest Difficult to detect Destroys ash trees All sizes, conditions and species Limited control options Highest volume of ash. Photo of EAB by David Cappaert ,
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Emerald Ash Borer Introduction 2010 Minnesota Community Preparedness Workshops
Why is EAB Important? • Exotic pest • Difficult to detect • Destroys ash trees • All sizes, conditions and species • Limited control options • Highest volume of ash Photo of EAB by David Cappaert, Michigan State University
Known EAB-infested Areas in Minnesota Minnesota map 4/30/10 Wisconsin Iowa
EAB Life Cycle David Cappaert, MSU
~1/8 inch wide Suspicious Symptoms Diagnostic Signs General Symptoms S-shaped galleries Bark cracks Canopy thinning EAB Larva Woodpecker feeding Epicormic sprouting D-shaped exit holes
What Can We Do About EAB? • Mitigation: • Slow its rate of spread • Early detection: • Find it as early as possible • Prevention: • Keep it from moving
Components of Mitigation Sink trees Removal Pesticides Phloem reduction
Methods of Early Detection Purple traps Visual surveys Citizen reports Tree sampling
Prevention: Quarantines and Wood Disposal • Hennepin, Ramsey and • Houston counties • Prohibits movement of: • Ash material • Hardwoodfirewood • Ash debris must be disposed of or treated within the quarantine • No restrictions outside the quarantine boundaries.
To report a suspect emerald ash borer • 1. First, go to MDA’s website: www.mda.state.mn.us and follow “Do I Have EAB?” checklist. Then • 2. E-mail: Arrest.The.Pest@state.mn.us or • 3. Phone:"Arrest the Pest" line651-201-6684 - Metro area888-545-6684 - Greater Minnesota