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PDCNR, Bugwood.com. Outline. Impacts Distribution / Status Biology / Identification. PDCNR, Bugwood.com. Hosts. http://www.uvm.edu/albeetle/. PDCNR, Bugwood.com. Adult Beetle. ● 3/4 to 1 1/2 inches long ● Glossy black with up to 20 white spots
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PDCNR, Bugwood.com Outline • Impacts • Distribution / Status • Biology/ Identification
PDCNR, Bugwood.com Hosts http://www.uvm.edu/albeetle/
PDCNR, Bugwood.com Adult Beetle ●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 Michael Bohne, Forest Service
PDCNR, Bugwood.com Adult Beetle Female Male Michael Bohne, Bugwood.org Michael Bohne, Bugwood.org
PDCNR, Bugwood.com Look-alikes White-spotted sawyer ALB Michael Bohne, Forest Service
PDCNR, Bugwood.com Look-alikes Cottonwood borer ALB Jim Baker, North Carolina State University, Bugwood.org Michael Bohne, Forest Service
PDCNR, Bugwood.com Adult Feeding Damage • Maturation feeding required – 1-2 weeks Pennsylvania Department of Conservation and Natural Resources – Forestry Archive, Bugwood.org Dean Morewood, Health Canada, Bugwood.org
PDCNR, Bugwood.com Eggs • Eggs laid singly in niches chewed by female • Hatch in 2 or 3 weeks Dennis Haugen, USDA Forest Service, Bugwood.org
PDCNR, Bugwood.com Egg Niches • Range in appearance from slits to oval Kenneth R Law, USDA APHIS PPQ, Bugwood.org Michael Bohne, Bugwood.org
PDCNR, Bugwood.com Egg Niches • Mandible marks around outside of niche Kenneth R Law, USDA APHIS PPQ, Bugwood.org
PDCNR, Bugwood.com Egg Niches • Sap running from egg niche wounds Dennis Haugen, USDA Forest Service, Bugwood.org