![]() |
![]() |
|
| Asian
Longhorned Beetle Anoplophora glabripennis (Motschulsky) |
Cottonwood Borer Plectrodera scalator (Fabricius) |
| 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. | Hosts: | Prefers eastern cottonwood; also infests other poplars and willows. Attacks the root collar and main roots of young trees. | |
| Overall Appearance: | Glossy jet black; very smooth with up to 20 distinct white spots on the back. | Overall Appearance: | Black with numerous white cross stripes formed by dense growths of white hairs. | |
| Size: | 3/4 to 1 1/4 inches (20 - 32 mm) long. | Size: | 1 to 1 1/2 inches (25 - 38 mm) long. | |
| Antennae: | Black with distinctive white bands on each segment. Antennae are 1 1/2 to 2 1/2 times the body length. | Antennae: | Solid black and nearly as long as the body. | |
| Feet: | Distinct bluish tinge, especially on the tops of the feet. | Feet: | Black with white hairs protruding between the segments. | |
| Adults Present: | May through October. | Adults Present: | Late May through mid-August. | |
| Distribution: | Native to China and Korea. Has been introduced into the United States in solid wood packing material. | Distribution: | Native to the United States. Most common in the Southeast, but found from New York to Georgia to Texas to Montana | |
| |
||||
| Descriptions by: | Photo credits: | |||
| Russ McKinney, USDA APHIS-PPQ,
Topeka, KS Don Duerr, USDA Forest Service, Pineville, LA Dennis Haugen, USDA Forest Service, St. Paul, MN |
Asian Longhorned Beetle
USDA APHIS Cottonwood Borer Stephen C. White, Kansas Department of Agriculture |
|||
![]() |
![]() |
NA-PR-04-00 |