Asian longhorned beetle: Not in WNY yet, or is it?

Asian longhorned beetle in pool
Check your pool filter periodically d for the invasive beetle called Asian longhorned beetle. Photo courtesy Jessica Cancelliere of NYSDEC Forest Health Program

As far as we know, the Asian longhorned beetle has been found only in the New York City area, but never in Western New York.

Still, we want to keep a lookout for this invasive insect that attacks and kills maples, birches, willows, and other hardwood trees.

The Asian longhorned beetle (ALB) is active now through Labor Day, according to the New York State Department of Environmental Conservation (DEC).

Pool owners are asked to regularly check their pool filters and report if they find any ALBs.

The ALBs emerge from infested trees in the late summer to find a new host. The beetles are 1.5 inches long, have long black-and-white antennae, and have black-and-white spots on their body.

They should not be confused with the native white-spotted pine sawyer, which has a distinctive white spot on their back, below their head. See more about identifying ALBs here.

No pool? You can still help! Be on the lookout for ALB exit holes, sawdust accumulating at the base of trees, oozing sap, or pits in bark.

If you find an ALB, here’s what you should do:

Learn more about ALB surveys on the DEC website.

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