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Emerald Ash Borer Introduction

Emerald Ash Borer Introduction. 2010 Minnesota Community Preparedness Workshops. Why is EAB Important?. Voracious pest with limited control options All ash species and sizes, regardless of state of health, are vulnerable to EAB No known host resistance. Photo of EAB by David Cappaert ,

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Emerald Ash Borer Introduction

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  1. Emerald Ash Borer Introduction 2010 Minnesota Community Preparedness Workshops

  2. Why is EAB Important? • Voracious pest with limited control options • All ash species and sizes, regardless of state of health, are vulnerable to EAB • No known host resistance Photo of EAB by David Cappaert, Michigan State University

  3. DNR Rapid Assessment MN DNR MN DNR

  4. Where is EAB?

  5. EAB in Minnesota • Houston County • Found in Victory, WI – across the border from MN • April, 2009 • Found on Federal Land in Houston County • April ,2010 • Ramsey and Hennepin Counties • Discovered in St. Paul • May, 2009 • Discovered in Falcon Heights (U of MN Campus) • November, 2009 • Discovered in Minneapolis • February, 2010

  6. Known EAB-infested Areas Minnesota map 4/30/10 Wisconsin Iowa

  7. EAB Life Cycle David Cappaert, MSU

  8. How Does EAB Kill Trees?

  9. ~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

  10. 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

  11. Components of Mitigation Sink trees Removal Pesticides Phloem reduction

  12. Methods of Early Detection Purple traps Visual surveys Tree sampling

  13. Purple trap and detection tree surveys Locations of trained First Detectors

  14. Prevention: Quarantines and Wood Disposal

  15. Prevention: Quarantines and Wood Disposal • Prohibits movement of: • Ash material • Hardwoodfirewood • Ash debris must be disposed of or treated within the quarantine • No restrictions outside the quarantine boundaries.

  16. Why Respond and Prepare? Acting now: • means spreading costs over longer period of time • provides communities with reasonable and responsible methods to respond • gives opportunity to think about and coordinate sharing costs

  17. 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

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