Minnesota First Detectors
Asian Longhorned Beetle (ALB)
D. Duerr, USDA Forest Service, Bugwood.org
PDCNR, Bugwood.com
Minnesota First Detectors
Outline
Impacts
Distribution, status
Biology, identification, and symptoms
PDCNR, Bugwood.com
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
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
Minnesota First Detectors
DistributionPDCNR, Bugwood.com
Native to eastern Asia
Minnesota First Detectors
Warehouse DetectionsPDCNR, Bugwood.com
Minnesota First Detectors
U.S. InfestationsPDCNR, Bugwood.com
1996-19991998-1999
2002-2006
2003
2007
2008 2010
2011
Most new infestations due to foreign introductions, not domestic spread
Minnesota First Detectors
New York and New JerseyPDCNR, 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
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
Minnesota First Detectors
TorontoPDCNR, 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
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
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
Minnesota First Detectors
Comparing InfestationsPDCNR, Bugwood.com
NY Chicago NJ Worcester Boston Ohio0
5,000
10,000
15,000
20,000
25,000
Infe
ste
d T
ree
s
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
Minnesota First Detectors
Adult Beetle IdentificationPDCNR, Bugwood.com
Michael Bohne, Bugwood.org
Female Male
Minnesota First Detectors
Look-alikes*PDCNR, Bugwood.com
White-spotted sawyer
Michael Bohne, USDA Forest Service
No white spot
*Size not to scale
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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