The present invention relates to azolylmethyloxiranes of the general formula I in which A is phenyl which is substituted by two F, B is unsubstituted pyridyl, thienyl, thiazolyl, oxazolyl or furyl or is phenyl which is optionally substituted by one to three of the following substituents: halogen, NO2, amino, C1-C4-alkyl, C1-C4alkoxy, C1-C4-haloalkyl, C1-C4-haloalkoxy, C1-C4-alkylamino, thio or C1-C4-alkylthio, with the proviso that B is not o-methylphenyl if A is 2,4-difluorophenyl, and to the plant-compatible acid addition salts or metal salts thereof, to the use of the compounds of the formula I for controlling phytopathogenic fungi and to compositions comprising these compounds.