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PDCNR, Bugwood.com. Complimentary materials. Riker mounts Look alike damage from U of MN. PDCNR, Bugwood.com. PDIL, Bugwood.org. The Asian longhorned beetle. ● 3/4 to 1 1/2 inches long ● Glossy black with up to 20 white spots
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PDCNR, Bugwood.com Complimentary materials • Riker mounts • Look alike damage from U of MN
PDCNR, Bugwood.com PDIL, Bugwood.org The Asian longhorned 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
PDCNR, Bugwood.com FEMALE MALE M. Bohne, Bugwood.org Adults
PDCNR, Bugwood.com Which beetle is ALB? L. Lazarus, NC Div. of For. Res., Bugwood.org K. Law, USDA APHIS PPQ, Bugwood.org W. Cranshaw, CO State Univ., Bugwood.org
PDCNR, Bugwood.com PDCNR, Bugwood.org PDCNR, Bugwood.org D. Haugen, USDA FS, Bugwood.org Larvae ●2 3/8 inches long, legless ●Cream-colored body ● Brown “shield” behind head ● Brown mouth parts ● Difficult to distinguish from other longhorned beetles
PDCNR, Bugwood.com USDA APHIS PPQ, Bugwood.org J. Solomon, USDA FS, Bugwood.org Which larva could be ALB?
PDCNR, Bugwood.com Cutaway showing egg L. Barber, USDA FS, Bugwood.org Oozing sap D. Haugen, USDA FS, Bugwood.org D. Haugen, USDA FS, Bugwood.org D. Haugen, USDA FS, Bugwood.org Egg niches ●Round to oval shaped ● 3/4-inch diameter
PDCNR, Bugwood.com D. Haugen, USDA FS, Bugwood.org PN DCNR, Bugwood.org Patricia Douglass, USDA APHIS-PPQ Exit holes ● 3/8-inch diameter ●Round shaped ● Should be able to insert the eraser-end of a pencil at least one inch into the hole
PDCNR, Bugwood.com PN DCNR, Bugwood.org T. Denholm, NJ DA, Bugwood.org Patricia Douglass, USDA APHIS-PPQ Exit holes & egg niches
PDCNR, Bugwood.com PN DCNR, Bugwood.org L. Barber, USDA FS, Bugwood.org Frass ● Created by tunneling larvae ●Coarse sawdust ● Accumulates at base of tree and crotches of branches
PDCNR, Bugwood.com L. Barber, USDA FS, Bugwood.org L. Barber, USDA FS, Bugwood.org E.R. Hoebeke, Cornell Univ., Bugwood.org PN DCNR, Bugwood.org Tunneling
PDCNR, Bugwood.com Which damage is from ALB? R. Anderson, USDA FS, Bugwood.org D. Haugen, USDA FS, Bugwood.org MN DNR, Bugwood.org
PDCNR, Bugwood.com D. Haugen, USDA FS, Bugwood.org S. Katovich, USDA FS, Bugwood.org Which one is due to ALB?