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The Asian Longhorned Beetle

The Asian Longhorned Beetle. by James E. Zablotny, Ph.D Deborah G. McCullough, Ph.D Michigan State University and Dennis Haugen, Ph.D., USDA Forest Service. An Introduced Pest of Urban and Suburban Trees in North America. Where is the ALB from?. }. ALB is a significant pest of

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The Asian Longhorned Beetle

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  1. The Asian Longhorned Beetle by James E. Zablotny, Ph.D Deborah G. McCullough, Ph.D Michigan State University and Dennis Haugen, Ph.D., USDA Forest Service An Introduced Pest of Urban and Suburban Trees in North America

  2. Where is the ALB from? } ALB is a significant pest of hybrid poplars in China. • China • Korea • ALB was introduced into North America from • infested wooden packing material.

  3. Risk of ALB Introduction in Wood Packing Material

  4. Asian Longhorned Beetle (Anaplophora glabripennis) • “Starry Sky” Beetle • Black with white • markings • Long antennae with • black & white bands • Large & robust female 1inch male

  5. ALB Life Cycle  1. Egg Niche é 2. Larva î ç ç 4. Emergence Hole 5. Adult 3. Pupa

  6. Larval Feeding Injures Trees Larvae tunnel into sapwood. Die back in ALB infested tree.

  7. Symptoms of ALB Infestation • Large emergence holes • on branches or the • stem (>3/8” diam). • Sawdust accumulates • at branch crotches or • tree base. • Flagging & dieback • in the canopy.

  8. Repeated ALB Attacks Can Kill Trees Boxelder tree killed by ALB.

  9. Hosts of ALB • Prefers: • Maples (Acer species). • Will also infest: • Horsechestnut (Aesculus hippocastanum), • Elms (Ulmus spp.), • Birches (Betula spp.), • Willows (Salix spp.), • Poplars (Populus spp.), • and many others.

  10. Potential for Widespread Damage to Native Trees is High

  11. Currently, ALB is known to be established in New York City (1996) & Chicago (1998)

  12. History of ALB Infestation: New York Locations and Year Infestation Detected • Greenpoint-Brooklyn 1996 • Amityville 1996 • Bayside-Queens 1998 • Manhattan 1999 • Islip 1999

  13. Known ALB Infestation: New York

  14. Greenpoint-Brooklyn & Manhattan Quarantine Area

  15. Infested Trees • Recent Infestation • Quarantine

  16. Amityville Quarantine Area

  17. Bayside-Queens Quarantine Area

  18. Islip Quarantine Area

  19. History of ALB Infestation: Chicago Locations and Year Infestation Detected • Ravenswood 1998 • Addison 1998 • Summit 1998 • Kilbourn Park 1999 • Park Ridge 1999 • O’Hare Airport 2000

  20. Chicago Area ALB Infestation

  21. Ravenswood & Kilbourn Park Infestations

  22. Addison Quarantine Area

  23. Summit Quarantine Area

  24. Park Ridge Quarantine Area

  25. O’Hare ALB Infestation

  26. What is being done about ALB in New York & Chicago? GoalèERADICATION • Removal & disposal of infested trees • Replanting with non-host species

  27. Removal of Infested Trees Ravenswood, Illinois Before After

  28. Replanting Strategies • Resistant species • Diverse plantings

  29. What Should You Do if You Find A Suspect Beetle? • Capture at least 1 adult beetle. • Preserve in 70% rubbing alcohol. • Take beetle to professional entomologist • for identification.

  30. Where Can You Take Beetles for Identification? • County Extension Office • State Department of Agriculture • State Department of Natural Resources • University Plant Pest Diagnostic Clinic • USDA Forest Service Office

  31. Remember, Some Native Beetles are Similar to ALB • Many native wood- • boring beetles are black • & white with long • antennae • An entomologist can • assist with identification • of suspect beetles.

  32. Pine Sawyers are Common Native Longhorned Beetles that Resemble ALB White-spotted Sawyer Asian Longhorned Beetle

  33. Another native species often mistaken for ALB Cottonwood Borer Asian Longhorned Beetle

  34. Will a Healthy Global Economy Lead to the Introduction of More Exotic Beetles?

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