Managing Invasive Populations of Asian Longhorned Beetle ...
Asian L onghorned Beetle (ALB)
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Transcript of Asian L onghorned Beetle (ALB)
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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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Minnesota First Detectors
Outline
Impacts
Distribution, status
Biology, identification, and symptoms
PDCNR, Bugwood.com
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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
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Minnesota First Detectors
Minnesota Hosts
Host Preference Genus Common name
Preferred Acer Maple, boxelder
Aesculus Horsechestnut, buckeye
Salix Willow
Ulmus Elm
Betula Birch
Occasional to rare Fraxinus Ash
Populus Poplar
Sorbus Mountain ash
PDCNR, Bugwood.com
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Minnesota First Detectors
DistributionPDCNR, Bugwood.com
Native to eastern Asia
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Minnesota First Detectors
Warehouse DetectionsPDCNR, Bugwood.com
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Minnesota First Detectors
U.S. InfestationsPDCNR, Bugwood.com
Most new infestations due to foreign introductions, not domestic spread
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Minnesota First Detectors
New York and New JerseyPDCNR, Bugwood.com
NJ detection – 2002; declared eradication in March, 2013 NY detection – 1996; eradication in some areas, but new
detection on Long Island in September, 2013 Hurricane Sandy prompted education about moving
firewood
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Minnesota First Detectors
ChicagoPDCNR, 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
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Minnesota First Detectors
TorontoPDCNR, Bugwood.com
Discovered in 2003 Announced
eradicated in April, 2013
Discovered again October, 2013
Thomas B. Denholm, New Jersey Department of Agriculture, Bugwood.org
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Minnesota First Detectors
MassachusettsPDCNR, 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. S
mith, B
ugwood.org
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Minnesota First Detectors
OhioPDCNR, 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 B
ohne, Bugw
ood.org
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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
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Minnesota First Detectors
Adult Beetle IdentificationPDCNR, Bugwood.com
Michael Bohne, Bugwood.org
Female Male
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Minnesota First Detectors
Look-alikes*PDCNR, Bugwood.com
White-spotted sawyer
Michael Bohne, USDA Forest Service
No white spot
*Size not to scale
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Minnesota First Detectors
Adult Feeding DamagePDCNR, 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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Minnesota First Detectors
Eggs
35-90 eggs laid singly in niches chewed by female
Hatch in 10-15 days
PDCNR, Bugwood.com
Dennis Haugen, USDA Forest Service
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Minnesota First Detectors
Egg NichesPDCNR, Bugwood.com
Michael Bohne, USDA Forest ServiceKenneth R Law, USDA APHIS PPQ
Range in appearance from slits to oval
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Minnesota First Detectors
Egg NichesPDCNR, Bugwood.com
Kenneth R Law, USDA APHIS PPQ
Mandible marks around outside of niche
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Minnesota First Detectors
Egg NichesPDCNR, Bugwood.com
Sap running from egg niche wounds
Michael Bohne, USDA Forest Service
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Minnesota First Detectors
LarvaePDCNR, Bugwood.com
Steven Katovich, USDA Forest Service
• Feed beneath bark initially; tunnel into heartwood when larger