>>> > While oxalic acid at EPA-recommended treatment levels of 5 ml at 3–5% of OA in sugar water has been found to be safe for adult bees, this study shows that oxalic acid is very toxic to honey bee larvae. The current study provides a reasonable model of larval exposure to OA in treated beehives. <><><> NOTE: This report refers to OA sugar syrup applications and makes no reference OA vapor application.
Mike in LA
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