O.Z. 0050/41099 Azolylmethyloxiranes I (A, B = 5-/6-membered hetaryl, alkyl, cycloalkyl, tetrahydropyranyl, tetrahydrothiopyranyl, phenyl, biphenyl, naphthyl or benzyl, the substituents A and B being unsubstituted or bearing up to three further radicals, with the proviso that at least one of the substituents A and B is hetaryl unless B is o-methylphenyl; Z = CH, N) and their acid addition salts and metal complexes, with the exception of 2-(imidazol-1-ylmethyl)-2-(4-fluorophenyl)-3-(pyrid-3-yl)-oxirane. The compounds I are suitable as fungicides.