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Minnesota First Detectors Identifying Emerald Ash Borer General symptoms Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks Native Ash.

Published byBenedict Gregory Modified over 9 years ago

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Presentation on theme: "Minnesota First Detectors Identifying Emerald Ash Borer General symptoms Canopy thinning Epicormic sprouting Woodpecker feeding Bark cracks Native Ash."— Presentation transcript:

1 Minnesota First Detectors 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 Minnesota First Detectors 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 Minnesota First Detectors General Symptoms Canopy thinning Epicormic sprouting Woodpecker feedingBark cracks

4 Minnesota First Detectors 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 Minnesota First Detectors 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 Minnesota First Detectors Agrilus Damage is Found in Many Tree Types Oak Birch Aspen Honey locust Walnut Box elder Many others

7 Minnesota First Detectors 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 Minnesota First Detectors Damage – Larval Feeding Tunnels

9 Minnesota First Detectors Damage – Larval Feeding Tunnels

10 Minnesota First Detectors Damage – Larval Feeding Tunnels Black ash

11 Minnesota First Detectors Damage – Larval Feeding Tunnels

12 Minnesota First Detectors Damage – Larval Feeding Tunnels

13 Minnesota First Detectors Damage - EAB or Not?

14 Minnesota First Detectors Damage - EAB or Not?

15 Minnesota First Detectors Damage - EAB or Not?

16 Minnesota First Detectors Damage - EAB or Not?

17 Minnesota First Detectors Damage - EAB or Not?

18 Minnesota First Detectors Damage - EAB or Not?

19 Minnesota First Detectors Damage - EAB or Not?

20 Minnesota First Detectors Damage – EAB or Not?

21 Minnesota First Detectors 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 Minnesota First Detectors Damage – Adult Emergence Holes

23 Minnesota First Detectors Damage – Adult Emergence Holes

24 Minnesota First Detectors Damage – Adult Emergence Holes

25 Minnesota First Detectors Damage – EAB or Not?

26 Minnesota First Detectors Damage – EAB or Not?

27 Minnesota First Detectors Damage – EAB or Not?

28 Minnesota First Detectors Damage – EAB or Not?

29 Minnesota First Detectors Damage – EAB or Not?

30 Minnesota First Detectors Damage – EAB or Not?

31 Minnesota First Detectors Damage – EAB or Not?

32 Minnesota First Detectors 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 Minnesota First Detectors Life Stages - Larvae

34 Minnesota First Detectors Life Stages - Larvae

35 Minnesota First Detectors Larvae – EAB or Not?

36 Minnesota First Detectors Larvae – EAB or Not?

37 Minnesota First Detectors Larvae – EAB or Not?

38 Minnesota First Detectors Larvae – EAB or Not?

39 Minnesota First Detectors Larvae – EAB or Not?

40 Minnesota First Detectors Larvae – EAB or Not?

41 Minnesota First Detectors 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 Minnesota First Detectors Life Stages – Adults

43 Minnesota First Detectors Life Stages – Adults

44 Minnesota First Detectors Life Stages – Adults

45 Minnesota First Detectors Adults – EAB or Not?

46 Minnesota First Detectors Adults – EAB or Not?

47 Minnesota First Detectors Adults – EAB or Not?

48 Minnesota First Detectors Adults – EAB or Not?

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