Does anyone have data or information on the beneficial side effects of using oxalic acid in the hive? We know formic acid does the following: -Kills Tracheal and Varroa mites -Is an organic treatment with 70-100% efficacy -Mites do not build resistance to it -It can be used several times a year -It delays resistance to pesticides -Increases hygienic behavior -Reduces Nosema by 80% -Cleans colonies of Chalk Brood -Deters the Lesser Wax moth :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::