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Minnesota First Detectors 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.

Published byRobert Wagner Modified over 10 years ago

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Presentation on theme: "Minnesota First Detectors 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."— Presentation transcript:

1 Minnesota First Detectors 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 The Asian longhorned beetle PDIL, Bugwood.org PDCNR, Bugwood.com

2 Minnesota First Detectors Adults MALEFEMALE M. Bohne, Bugwood.org PDCNR, Bugwood.com

3 Minnesota First Detectors Which Beetle is ALB? A. Insect A B. Insect B C. Insect C ABC PDCNR, Bugwood.com L. Lazarus, NC Div. of For. Res., Bugwood.org K. Law, USDA APHIS PPQ, Bugwood.org W. Cranshaw, CO State Univ., Bugwood.org

4 Minnesota First Detectors 2 3/8 inches long, legless Cream-colored body Brown shield behind head Brown mouth parts Difficult to distinguish from other longhorned beetles Larvae PDCNR, Bugwood.org D. Haugen, USDA FS, Bugwood.org PDCNR, Bugwood.com

5 Minnesota First Detectors J. Solomon, USDA FS, Bugwood.org USDA APHIS PPQ, Bugwood.org Which Larva Could Be ALB? A. Insect A B. Insect B C. Insect C ABC PDCNR, Bugwood.com

6 Minnesota First Detectors Egg niches Round to oval shaped 3/4-inch diameter Cutaway showing egg L. Barber, USDA FS, Bugwood.org Oozing sap D. Haugen, USDA FS, Bugwood.org PDCNR, Bugwood.com

7 Minnesota First Detectors Exit holes PN DCNR, Bugwood.org D. Haugen, USDA FS, Bugwood.org 3/8-inch diameter Round shaped Should be able to insert the eraser-end of a pencil at least one inch into the hole Patricia Douglass, USDA APHIS-PPQ PDCNR, Bugwood.com

8 Minnesota First Detectors Exit holes & egg niches PN DCNR, Bugwood.org T. Denholm, NJ DA, Bugwood.org Patricia Douglass, USDA APHIS-PPQ PDCNR, Bugwood.com

9 Minnesota First Detectors Frass PN DCNR, Bugwood.org L. Barber, USDA FS, Bugwood.org Created by tunneling larvae Coarse sawdust Accumulates at base of tree and crotches of branches PDCNR, Bugwood.com

10 Minnesota First Detectors Tunneling L. Barber, USDA FS, Bugwood.org E.R. Hoebeke, Cornell Univ., Bugwood.org L. Barber, USDA FS, Bugwood.org PN DCNR, Bugwood.org PDCNR, Bugwood.com

11 Minnesota First Detectors Which Damage is from ALB? A. Insect A B. Insect B C. Insect C ABC PDCNR, Bugwood.com R. Anderson, USDA FS, Bugwood.org D. Haugen, USDA FS, Bugwood.org MN DNR, Bugwood.org

12 Minnesota First Detectors S. Katovich, USDA FS, Bugwood.org Which One is Due to ALB? B PDCNR, Bugwood.com A. Tree A B. Tree B D. Haugen, USDA FS, Bugwood.org A

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