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New Zealand mulls weed biocontrol agents

The New Zealand Environmental Protection Authority (EPA) is considering a request to import and release the weevils, Berberidicola exaratus and Berberis glaucocarpa, as biological control agents against the invasive weed, Darwin’s barberry ( Berberis darwinii). The weed invades pasture, disturbed forest and other scarcely vegetated sites, the EPA notes. The weevils are intended to reduce weed seed production and dispersal.


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