The efficacy and safety of dry and wet formulations of three nonsynthetic compounds, oxalic acid (OA), thymol (T), and oregano oil (OO), for the control of Varroa ...
The treatments were OA in dust, OA diluted in glycerin solvent embedded in a towel, T in dust, T in glycerin solvent and towel, OO in dry microcapsules, OO in glycerin solvent and towel, and the control ...
The most effective formulations were T dust (96.6%), T glycerin (92.4%), and OA glycerin (79%). More than 85% of the mites were killed during the first 2 wk of treatment with T formulations, compared to less than 30% for the OA glycerin formulation ...
The highest rate of winter colony survival was for the T dust treat- ment (100%) and the lowest for the OO microcapsules and OA dust treatments (66.7%).
Sabahi, Q. ... & Guzman-Novoa, E. (2020). Evaluation of Dry and Wet Formulations of Oxalic Acid, Thymol, and Oregano Oil for Varroa Mite (Acari: Varroidae) Control in Honey Bee (Hymenoptera: Apidae) Colonies. Journal of Economic Entomology.
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