Fuente: WIPO "apiculture" The invention relates to a composition that is effective in fighting infestations from mites, particularly against the Varroa Jacobsoni acarus, a honeybees parasite. The composition is constituted by a mixture of elementary sulphur powder, garlic bulbs that have been crushed or reduced to a pulp, ethanol, and in case, dried pepper powder. In a preferred composition the above components are present in weight ratios of 30:30:30:10, respectively. The invention further includes the use of the composition as an acaricidal agent in treatments of disinfestation, as well as the preventive use thereof for prophylaxis purposes.