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Identifying Emerald Ash Borer

Identifying Emerald Ash Borer. General symptoms Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks Damage Larval feeding tunnels Adult emergence holes Life stages Larvae Adults. Identifying Emerald Ash Borer. General symptoms Canopy thinning Epicormic sprouting

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Identifying Emerald Ash Borer

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  1. Identifying Emerald Ash Borer • General symptoms • Canopy thinning • Epicormic sprouting • Woodpecker feeding • Bark cracks • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

  2. Identifying Emerald Ash Borer • General symptoms • Canopy thinning • Epicormic sprouting • Woodpecker feeding • Bark cracks • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

  3. General Symptoms Epicormic sprouting Canopy thinning Bark cracks Woodpecker feeding

  4. Thinning Crown

  5. Woodpecker Feeding James Smith

  6. Difference in EAB #’s??? 1 2 3 4 5

  7. Identifying Beetle Infested Trees

  8. Bark Cracking MI Dept. of Ag

  9. Diagnosing Emerald Ash Borer • General symptoms • Canopy thinning • Epicormic sprouting • Woodpecker feeding • Bark cracks • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

  10. Damage – Larval Feeding Tunnels

  11. Damage – Larval Feeding Tunnels

  12. Damage – Larval Feeding Tunnels Black ash

  13. Damage – Larval Feeding Tunnels

  14. Damage – Larval Feeding Tunnels

  15. Agrilus Damage is Found in Many Tree Types • Oak • Birch • Aspen • Honey locust • Walnut • Boxelder • Many others

  16. EAB or Not? • Yes • Not • Not Sure

  17. EAB or Not? • Yes • Not • Not Sure

  18. EAB or Not? • Yes • Not • Not Sure

  19. EAB or Not? • Yes • Not • Not Sure

  20. EAB or Not? • Yes • Not • Not Sure

  21. EAB or Not? • Yes • Not • Not Sure

  22. EAB or Not? • Yes • Not • Not Sure

  23. EAB or Not? • Yes • Not • Not Sure

  24. Diagnosing Emerald Ash Borer • General symptoms • Canopy thinning • Epicormic sprouting • Woodpecker feeding • Bark cracks • Native Ash Borers • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

  25. Damage – Adult Emergence Holes ~1/8 inch wide

  26. Damage – Adult Emergence Holes

  27. Damage – Adult Emergence Holes

  28. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  29. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  30. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  31. 0 of 30 How Many EAB Exit Holes? • 0 • 1 • 2

  32. Native Ash Borer Symptoms Dan Hermes Flatheaded borers Roundheaded borers Ash cambium miner Jeff Hahn Clearwing borers Jeff Hahn Carpenterworms Ash bark beetles Linda Treeful

  33. Diagnosing Emerald Ash Borer • General symptoms • Canopy thinning • Epicormic sprouting • Woodpecker feeding • Bark cracks • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

  34. Life Stages - Larvae

  35. Life Stages - Larvae

  36. Native Borers Found in Ash Clearwing borers Flatheaded borers Roundheaded borers Carpenterworm Ash bark beetles Ash cambium miner

  37. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  38. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  39. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  40. 0 of 30 EAB or Not? • Yes • Not • Not Sure

  41. How Many EAB Larvae? • 0 • 1 • 2 • 3

  42. Diagnosing Emerald Ash Borer • General symptoms • Canopy thinning • Epicormic sprouting • Woodpecker feeding • Bark cracks • Native Ash Borers • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

  43. Life Stages – Adults

  44. Life Stages – Adults

  45. Life Stages – Adults

  46. Which of the following is EAB? • A • B • C • D Dan Hermes A B C D J. Hahn unknown J. Hahn

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