Calculate your risk of PWN infection

Removing the vector beetle

Since the vector breeds within the host trees and is present for several months in the larval stage, an effective removal strategy is to concentrate on finding and destroying infested trees before the vector can complete its life cycle and emerge as a new adult. Risk-based surveys for symptomatic trees, as described in the survey Methodology Module, can be used to maximise the likelihood of finding weakened or freshly dead trees that are likely to have been utilised by Monochamus spp. for breeding. Since it is difficult to be certain that a tree contains Monochamus spp., it should be assumed that the wood is infested and, therefore, steps should be taken to treat or destroy the wood before the next emergence period of the vector in the following spring.
     
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