Tetramic acid derivatives (I) are used to control animal pests by drenching, drip application or soil injection. Tetramic acid derivatives of formula (I) are used to control animal pests by drenching, drip application or soil injection. X : halo, alkyl, alkoxy, haloalkyl, haloalkoxy or CN； W, Y, Z : H, halo, alkyl, alkoxy, haloalkyl, haloalkoxy or CN； A : H, optionally halo-substituted alkyl or alkoxyalkyl or optionally substituted (hetero)cycloalkyl； B : H or alkyl； or CAB : an optionally substituted (un)saturated (hetero)cyclic group； G : H, C(O)R 1>；, C(L)MR 2>；, SO 2R 3>；, P(L)R 4>；R 5>；, E or C(L)NR 6>；R 7>；； E : a metal ion or ammonium； L, M : O or S； R 1>； : alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl or polyalkoxyalkyl (all optionally substituted by halo), optionally heteroatom-containing cycloalkyl optionally substituted by halo, alkyl or alkoxy； or phenyl, phenylalkyl, heteroaryl, phenoxyalkyl or heteroaryloxyalkyl (all optionally substituted)； R 2>； : (halo)alkyl, (halo)alkenyl or optionally substituted cycloalkyl, phenyl or benzyl； R 3>； : (halo)alkyl or optionally substituted phenyl； R 4>；, R 5>； : alkyl, alkoxy, (di)alkylamino, alkylthio, alkenylthio or cycloalkylthio (all optionally substituted by halo) or optionally substituted phenyl, benzyl, phenoxy or phenylthio； R 6>；, R 7>； : H； alkyl, cycloalkyl, alkenyl, alkoxy or alkoxyalkyl (all optionally substituted by halo) or optionally substituted phenyl or benzyl； or NR 6>；R 7>； : a ring optionally interrupted by O or S. [Image] ACTIVITY : Insecticide, Acaricide, Arachnicide, Molluscicide, Anthelminitic； Protozoacide； Nematocide. MECHANISM OF ACTION : None given.
