Minnesota First Detectors Egg Niches PDCNR, Bugwood.com Michael Bohne, USDA Forest Service Kenneth R Law, USDA APHIS PPQ Range in appearance from slits to oval
Minnesota First Detectors Egg Niches PDCNR, Bugwood.com Kenneth R Law, USDA APHIS PPQ Mandible marks around outside of niche
Minnesota First Detectors Egg Niches PDCNR, Bugwood.com Sap running from egg niche wounds Michael Bohne, USDA Forest Service
Minnesota First Detectors Larvae PDCNR, Bugwood.com Steven Katovich, USDA Forest Service Feed beneath bark initially; tunnel into sapwood and heartwood when larger
Minnesota First Detectors Larvae PDCNR, Bugwood.com Kenneth R. Law, USDA APHIS PPQ Mature larva is 2" long Legless Head not visible but mandibles protrude Lacks spines on tip of abdomen
Minnesota First Detectors Larvae PDCNR, Bugwood.com PA Dept. of Conservation and Natural Resources – Forestry Archive Larvae push frass out of tunnels
Minnesota First Detectors PDCNR, Bugwood.com Whitney Cranshaw, Colorado State University Dennis Haugen, USDA Forest Service, Native horntail exit holes on silver maple Look-alikes
Minnesota First Detectors Look-alikes PDCNR, Bugwood.com Carpenterworm Damage photo - Bob Hammon James Solomon, USDA Forest Service
Minnesota First Detectors Which Beetle is ALB? A. Insect A B. Insect B C. Insect C PDCNR, Bugwood.com A B C Gerald J. Lenhard, Louisiana State Univ. Joseph Berger Kenneth R. Law, USDA APHIS PPQ
Minnesota First Detectors James Solomon, USDA Forest Service Which Larva is ALB? A. Insect A B. Insect B C. Insect C A B C PDCNR, Bugwood.com Dennis Haugen
Minnesota First Detectors Which Damage is from ALB? A. Insect A B. Insect B C. Insect C A B PDCNR, Bugwood.com Dennis Haugen, USDA Forest Service Diane Hildebrand, USDA Forest Service C MN Dept. of Agriculture
Minnesota First Detectors Questions?