Minnesota First Detectors Outline Impacts Distribution / Status Biology / Identification PDCNR, Bugwood.com
Minnesota First Detectors
Outline
Impacts
Distribution / Status
Biology / Identification
PDCNR, Bugwood.com
Minnesota First Detectors
Hosts
Suitability Genus Common name
Very good Acer Maple, boxelder
Aesculus Horsechestnut, buckeye
Salix Willow
Ulmus Elm
Good Betula Birch
Plantanus Plane tree, sycamore
Occasional Albizia Mimosa, silk tree
Celtis Hackberry
Fraxinus Ash
Populus Poplar (excluding cottonwood)
Sorbus Mountain ash
http://www.uvm.edu/albeetle/
PDCNR, Bugwood.com
Minnesota First Detectors
Adult BeetlePDCNR, Bugwood.com
Michael Bohne, Forest Service
● 3/4 to 1 1/2 inches long
● Glossy black with up to 20 white spots
● Long antennae (1 to 2 1/2 times body length) with distinctive white bands
● Feet with a bluish tinge
Minnesota First Detectors
Adult BeetlePDCNR, Bugwood.com
Michael Bohne, Bugwood.org
Michael Bohne, Bugwood.org
Female Male
Minnesota First Detectors
Look-alikesPDCNR, Bugwood.com
ALB
White-spotted sawyer
Michael Bohne, Forest Service
Minnesota First Detectors
Look-alikesPDCNR, Bugwood.com
ALBMichael Bohne, Forest Service
Jim Baker, North Carolina State University, Bugwood.org
Cottonwood borer
Minnesota First Detectors
Adult Feeding DamagePDCNR, Bugwood.com
Dean Morewood, Health Canada, Bugwood.org
Pennsylvania Department of Conservation and Natural
Resources – Forestry Archive, Bugwood.org
• Maturation feeding required – 1-2 weeks
Minnesota First Detectors
EggsPDCNR, Bugwood.com
Dennis Haugen, USDA Forest Service, Bugwood.org
• Eggs laid singly in niches chewed by female
• Hatch in 2 or 3 weeks
Minnesota First Detectors
Egg NichesPDCNR, Bugwood.com
Michael Bohne, Bugwood.orgKenneth R Law, USDA APHIS PPQ, Bugwood.org
• Range in appearance from slits to oval
Minnesota First Detectors
Egg NichesPDCNR, Bugwood.com
Kenneth R Law, USDA APHIS PPQ, Bugwood.org
• Mandible marks around outside of niche
Minnesota First Detectors
Egg NichesPDCNR, Bugwood.com
Dennis Haugen, USDA Forest Service, Bugwood.org
• Sap running from egg niche wounds