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In this study, honey bees (Apis mellifera L.) were exposed to LD05 and LD50 doses of five commonly used acaricides for controlling the parasitic mite, Varroa destructor. LD50 values at 48 h post-treatment showed that tau-fluvalinate was the most toxic, followed by amitraz, coumaphos, thymol, and formic acid. However, the hazard ratios, which estimate the hive risk level based on a ratio of a standard...
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