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Asian longhorned beetle
Anoplophora glabripennis

Description: Adult Asian longhorned beetles are large (0.75-1.5 in. long) with very long black and white banded antennae. The body is glossy black with irregular white spots. The beetles are known to attack maple, horsechestnut, elm, willow, birch, poplar, and ash trees.

Distribution: Native to China. The Asian longhorned beetle has been found in New York, New Jersey, Illinois, and Toronto, Canada. They have also been found in warehouses or at ports all over North America.

Resources: Asian Longhorned Beetle (The University of Vermont)

David Cappaert

Emerald ash borer
Agrilus planipennis

Description: Adults are slender, elongate and 7.5-13.5 mm long. Color varies but usually bronze or golden green overall, with darker, metallic, emerald green wing covers; top of the abdomen under the wings is metallic purplish red and can be seen when the wings are spread. This exotic beetle feeds on ash (Fraxinus spp.) trees.

Distribution: Native to Asia. The emerald ash borer was first discovered in Michigan in 2002 and since has been found in Illinois, Indiana, Maryland, Ohio, and Virginia. It is also established in Windsor, Ontario, Canada. (map)

Resources:

Emerald ash borer

Pest Alert - Emerald Ash Borer