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Asian Longhorned Beetle
How does It Harm the Trees?
The Asian longhorned beetle is extremely destructive. The damage is caused by beetle larvae which burrow deep within a tree to feed on its food and water conducting vessels. Continued feeding causes structural defects and eventually kills the life out of the tree, leaving holes the diameter of ball-point pens.

Heavy Asian longhorned beetle infestations can kill otherwise healthy adult trees.

When Are They Most Active?
Mature beetles emerge from trees beginning in late May and lasting through October with a frequency peak occurring in July. Tree infestations can be detected by looking for tell-tale exit holes three-eighths to three-fourths inches in diameter. These holes are often in the larger branches of the crowns of infested trees.

Sometimes sap can be seen oozing from the exit holes with coarse sawdust or ‘frass’ in evidence on the ground or lower branches.
Tree damaged by the Asian Longhorned Beetle
Asian Longhorned Beetle
How Can a Homeowner Control It?
If you detect the presence of Asian longhorned beetles, contact your local forestry department immediately so that they can take steps to contain the outbreak.

Unfortunately, the only way currently known to combat the Asian longhorned beetle is to destroy the infested trees. But while cutting down mature trees is a tragedy, it is preferable to permitting this new menace to spread.

More Information
If you have any questions or comments, please feel free to contact us at (716) 875-8822.
Asian Longhorned Beetle
Asian Longhorned Beetle

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