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Identifying Emerald Ash Borer

Identifying 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. Identifying Emerald Ash Borer. General symptoms Canopy thinning

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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 • Native Ash Borers • 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 • Native Ash Borers • Damage • Larval feeding tunnels • Adult emergence holes • Life stages • Larvae • Adults

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

  4. 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

  5. Native Ash Borers • Flatheaded borers (Chrysobothris, Dicerca) • Roundheaded borers (Neoclytus, Tylonotus) • Clearwing borers (Podesia) • Ash cambium miner (Phytobia) • Ash bark beetle (Hylesinus) • Ash twig borer (Agrilus subcinctus) • Carpenterworm (Prionoxystus robinae) William H. Hoffard, USDA Forest Service

  6. Agrilus Damage is Found in Many Tree Types • Oak • Birch • Aspen • Honey locust • Walnut • Box elder • Many others

  7. 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

  8. Damage – Larval Feeding Tunnels

  9. Damage – Larval Feeding Tunnels

  10. Damage – Larval Feeding Tunnels Black ash

  11. Damage – Larval Feeding Tunnels

  12. Damage – Larval Feeding Tunnels

  13. Damage - EAB or Not?

  14. Damage - EAB or Not?

  15. Damage - EAB or Not?

  16. Damage - EAB or Not?

  17. Damage - EAB or Not?

  18. Damage - EAB or Not?

  19. Damage - EAB or Not?

  20. Damage – EAB or Not?

  21. 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

  22. Damage – Adult Emergence Holes

  23. Damage – Adult Emergence Holes

  24. Damage – Adult Emergence Holes

  25. Damage – EAB or Not?

  26. Damage – EAB or Not?

  27. Damage – EAB or Not?

  28. Damage – EAB or Not?

  29. Damage – EAB or Not?

  30. Damage – EAB or Not?

  31. Damage – EAB or Not?

  32. 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

  33. Life Stages - Larvae

  34. Life Stages - Larvae

  35. Larvae – EAB or Not?

  36. Larvae – EAB or Not?

  37. Larvae – EAB or Not?

  38. Larvae – EAB or Not?

  39. Larvae – EAB or Not?

  40. Larvae – EAB or Not?

  41. 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

  42. Life Stages – Adults

  43. Life Stages – Adults

  44. Life Stages – Adults

  45. Adults – EAB or Not?

  46. Adults – EAB or Not?

  47. Adults – EAB or Not?

  48. Adults – EAB or Not?

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