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Minnesota First Detectors Asian Longhorned Beetle (ALB) D. Duerr, USDA Forest Service, Bugwood.org PDCNR, Bugwood.com.

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Presentation on theme: "Minnesota First Detectors Asian Longhorned Beetle (ALB) D. Duerr, USDA Forest Service, Bugwood.org PDCNR, Bugwood.com."— Presentation transcript:

1 Minnesota First Detectors Asian Longhorned Beetle (ALB) D. Duerr, USDA Forest Service, Bugwood.org PDCNR, Bugwood.com

2 Minnesota First Detectors Outline Impacts Distribution, status Biology, identification, and symptoms PDCNR, Bugwood.com

3 Minnesota First Detectors Urban Impacts Attacks multiple tree species Predicted worst-case losses to U.S. urban forests: 30.3% tree mortality (1.2 billion trees) $669 billion Thousands of trees removed during eradication efforts PDCNR, Bugwood.com Dennis Haugen, USDA Forest Service, Bugwood.org

4 Minnesota First Detectors Minnesota Hosts Host PreferenceGenusCommon name PreferredAcerMaple, boxelder AesculusHorsechestnut, buckeye SalixWillow UlmusElm BetulaBirch Occasional to rareFraxinusAsh PopulusPoplar SorbusMountain ash PDCNR, Bugwood.com

5 Minnesota First Detectors Distribution PDCNR, Bugwood.com Native to eastern Asia

6 Minnesota First Detectors Warehouse Detections PDCNR, Bugwood.com

7 Minnesota First Detectors U.S. Infestations PDCNR, Bugwood.com 1996-1999 1998-1999 2002-2006 2003 2007 2008 2010 2011 Most new infestations due to foreign introductions, not domestic spread

8 Minnesota First Detectors New York and New Jersey PDCNR, Bugwood.com NJ detection – 2002; last detection, 2006 NY detection – 1996; last detection, Brooklyn, 2010 Both states – confirmation surveys for declaring eradication began in 2011 Hurricane Sandy prompted education about moving firewood

9 Minnesota First Detectors Chicago PDCNR, Bugwood.com More than 1700 infested trees found over 6 years Last infested tree found in 2003 92,000 trees treated that year Declared eradicated in 2008 Schools teach “Beetle Buster” curriculum Thomas B. Denholm, New Jersey Department of Agriculture, Bugwood.org

10 Minnesota First Detectors Toronto PDCNR, Bugwood.com 28,700 trees removed No detections since 2007 (as of 2012) Area still regulated Thomas B. Denholm, New Jersey Department of Agriculture, Bugwood.org

11 Minnesota First Detectors Massachusetts PDCNR, Bugwood.com Worcester, 2008 Potential to cause $41 billion in losses (lumber, maple syrup and tourism industries) on East Coast alone Between 2009-2012, eradication efforts cost $114,546,000; efforts continue Michael T. Smith, Bugwood.org

12 Minnesota First Detectors Ohio PDCNR, Bugwood.com Had been found there before, in warehouses Discovered in 2011 by a vineyard owner Led to 9,300 infested trees Infested tree removal is on- going Michael Bohne, Bugwood.org

13 Minnesota First Detectors Comparing Infestations PDCNR, Bugwood.com

14 Minnesota First Detectors Adult Beetle Identification Body ¾ to 1 ½ " long Glossy black with white spots (also called starry sky beetle) Very long, banded antennae Feet and legs bluish PDCNR, Bugwood.com Michael Bohne, Forest Service

15 Minnesota First Detectors Adult Beetle Identification PDCNR, Bugwood.com Michael Bohne, Bugwood.org Female Male

16 Minnesota First Detectors Look-alikes* PDCNR, Bugwood.com White-spotted sawyer Michael Bohne, USDA Forest Service No white spot *Size not to scale

17 Minnesota First Detectors Adult Feeding Damage PDCNR, Bugwood.com Dean Morewood, Health Canada Pennsylvania Department of Conservation and Natural Resources – Forestry Archive Adult “maturation feeding” required for 1-2 weeks before egg-laying begins


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