Asian longhorn beetle in Europe
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From Forest Health News 110, August 2001.
In April we featured an item on the Asian longhorn beetle (Anoplophora glabripennis) which has recently been causing serious concern in the Chicago region and New York City in the United States (FHNews 106:1). This destructive beetle is now known to have reached Europe. According to Brenda Warner, a staff reporter for the Chicago Sun-Times (10 August), about 15 to 20 Norway maple trees infested with this insect were identified during a ground survey on July 30 in the city of Braunau in northern Austria. However, withering and dying of trees were first observed in this locality last year, and the beetle is therefore likely to have been present for some time. Twigs and bark on attacked trees show signs of adult feeding, and exit holes and egg-laying sites are evident. Swarms of beetles have also been observed.
The affected trees are situated near a building supply yard, and it is speculated that the insect may have been introduced in infested packaged wood two or three years ago. The discovery is of concern not only to Austria, but to the whole of Europe. Surveys are being conducted of all trees and stands in and around Braunau, and infested trees will be felled and chipped to destroy larvae within. For those conversant in German, further information and pictures are available on the web site:
Ian Hood, Editor
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