The invention relates to novel phenyl-substituted cyclopentane- and cyclohexane-1,3-dione derivatives of the formula (I) ##STR00001## in which W, X, Y, Z, A, B, Q.sup.1, Q.sup.2, Q.sup.3, Q.sup.4, G and m are as defined in the disclosure, to processes and intermediates for their preparation and to their use as pesticides, microbicides and/or herbicides.