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USDA assesses invasive weed biocontrol agent

The USDA’s Animal and Plant Health Inspection Service proposes to issue permits to allow the release of Arundo scale insects ( Rhizaspidiotus donacis) for the biological control of the invasive weed, Arundo donax. The use of R donacis is expected to augment the effect of the Arundo wasp ( Tetramesa romana), which was approved for release as a biological control agent last year. An environmental assessment of R donacis is open to public comment until December 13th.


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