EN
In consequence of occuring and expansion of Varroa Jacobsoni mite new problem has been arised to ensure of effective honey bee protection. In this paper, research-developmental works, realised in 1984-1991, to solve that problem have been presented. Through RD works production of I generation varroacidal formulations (Warosekt and Apiwarol AS) have been started and up-to-date formulations are being prepared.