Abstract:
In 2012, an infestation of Asian Longhorned Beetle (ALB) was detected in Winterthur (Canton ZH, Switzerland). With more than 140 adult beetles and several hundred eggs and larvae, the infestation was by far the most extensive in Switzerland. Based on experiences in Austria where the first ALB infestation in Europe occurred, the beetle was fought with extensive actions: removal of all infested trees, preventive removal of potential host trees and installation of a focus- and a buffer zone. Transport of plant material out of these zones was banned and a close monitoring regime including specialised dogs put in place. Tere were no adult beetles and only a few living larvae detected 2013. 700‘000 Swiss francs were spent in 2012, not including hundreds of working hours spent by employees of the Canton Zurich. The programme is estimated to cost another 2.8 million Swiss francs, if no more living beetles are detected. The experiences from Winterthur show that elimination of a small ALB infestation is possible. The costs demonstrate the need for strong boarder controls or alternative packaging materials for imports from infested regions.
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Eradicating The Asian Longhorned Beetle In Winterthur, Switzerland
Year: 2014
Keywords: infestation zone, monitoring, pest elimination.
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