Asian Longhorned Beetle vs. Cottonwood Borer

Hosts: Prefers maple species; also infests horsechestnut, elms, birches, willows, and poplars. Attacks the upper tree crown initially, then larger branches and the main stem in subsequent years. Overall Glossy jet black; very smooth with up to Appearance: 20 distinct white spots on the back. Size: 3/4 to 1 1/4 inches (20 - 32 mm) long. Antennae: Black with distinctive white bands on each segment. Antennae are 1 1/2 to 2 1/2 times the body length. Feet: Distinct bluish tinge, especially on the tops of the feet. Adults May through October.

File details

Size

159 K

File type

application/pdf

Click here to get the file