Fecha de publicación: 17/02/2022 Fuente: WIPO "varroa" Compositions and methods for use in preserving a beehive or bees associated with the beehive against Varroa destructor infestation-induced collapse or death, or supporting the health, vitality, and longevity of a beehive or bees associated with the beehive by controlling, reducing, or eliminating a population of Varroa destructor associated with the beehive or bees associated with the beehive through targeted, phage-based, bactericidal or bacteriostatic activity against Bacillus sp., Hafnia sp., and/or Escherichia sp. present in Varroa destructor associated with the beehive or bees associated with the beehive, and specifically by applying or administering to the beehive, or to bees associated with the beehive, a composition comprising one or more bacteriophage having cellular tropism for, or infectivity specific for, Bacillus sp., Hafnia sp., and/or Escherichia sp. in Varroa destructor associated with the beehive or bees associated with the beehive.