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US EPA approves oxalic acid for varroa mite control

The US EPA has approved the use of oxalic acid dihydrate for the control of varroa mites in beehives. The Agency proposed the registration last month under an expedited approval process. The application was submitted by the USDA Animal and Plant Health Inspection Service's Bee Research Lab at the request of the EPA's Office of Pesticide Programs. The EPA was able to expedite its evaluation partly due to a work share agreement with the Canadian authorities. Oxalic acid was registered for the control of varroa mites in Canada in 2010. The Agency also had an established database on oxalic acid studies from its previous registration as an antimicrobial pesticide.


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