Public Enemy

The Asian Long Horned Beetle – Destroyer of Trees

Asian Long Horned Beetle a.k.a. ALB

There are rumors that this little monster has got his sites on N.H. Adult Anoplophora glabripennis feed on leaves, twigs, and other plant matter. The larvae are the real tree killers, as they feed on the healthy bark, phloem, and xylem of more than 24 species of hardwood trees. The Asian Long Horned Beetle (or ALB, for short) is now one of the most destructive non-native insects in the United States. It and other wood-boring pests cause an estimated $3.5 billion in annual damages in the United States.

It was accidentally introduced to the United States where it was first discovered in 1996. This beetle is believed to have been spread from Asia in solid wood packaging material. The beetle has not been spotted in N.H. yet, but they are in Mass.

Last year the UNH Cooperative Extension launched a program to keep a sharp eye out for ALB presence in New Hampshire. This will hopefully allow them to take steps to limit its spread, if it arrives. They are looking for volunteers to take photos and collect specimens of beetles from  July 13 – August 26 (when the adults are most active). ALB apparently likes to swim, as they are often found in swimming pools, so owners of a camera and a pool are perfect for this exercise. To find out how you can help go to the UNH Cooperative Extension/NH Forest Insects site.

Thanks to LuAnn for letting us know about this effort which will no doubt be ongoing for years to come. We must stay ever vigilant in the prevention of crimes against nature!

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