A compound of formula I, wherein A represents CH or N; each R is, independently from each other, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 1 -C 4 alkylsulfanyl, C 1 -C 4 haloalkylsulfanyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 haloalkylsulfonyl, C 1 -C 6 alkylcarbonyl, C 1 -C 6 haloalkylcarbonyl, C 1 -C 6 alkoxycarbonyl, C 1 -C 6 haloalkoxycarbonyl, C 1 -C 6 alkylamino, C 2 -C 8 dialkylamino, halogen, cyano, cyanoC 1 -C 4 alkyl, tri(C 1 -C 4 alkyl)silyl, C 1 -C 4 alkoxyC 1 -C 4 alkoxy, C 1 -C 4 alkylsulfanylC 1 -C 4 alkoxy or nitro; or each R is, independently from each other, phenyl, pyrimidinyl, thiazolyl, pyridinyl, imidazolyl, pyrazolyl, oxazolyl or oxadiazolyl; wherein said phenyl, pyrimidinyl, thiazolyl, pyridinyl, imidazolyl, pyrazolyl, oxazolyl or oxadiazolyl itself can be mono- to polysubstituted by substituents independently selected from the group consisting of halogen, C 1 -C 6 alkyl and cyano; n is 0, 1, 2, 3, 4 or 5; X is S, SO or SO 2; R 1 is C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalkyl-C 1 -Caalkyl, C 3 -C 6 cycloalkyl mono-, di- or trisubstituted by substituents selected from the group consisting of halogen, cyano and C 1 -C 4 alkyl; or R 1 is C 3 -C 6 cycloalkyl-C 1 -C 4 alkyl mono- or polysubstituted by substituents selected from the group consisting of halogen, cyano and C 1 -C 4 alkyl; or R 1 is C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl or C 2 -C 6 alkynyl; R 2 is halogen, C 1 -C 4 haloalkyl or C 1 -C 4 haloalkyl substituted by one or two substituents selected from the group consisting of hydroxyl, methoxy and cyano; or R 2 is C 1 -C 4 haloalkylsulfanyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 haloalkylsulfonyl, O(C 1 -C 4 haloalkyl) or -C C 1 -C 4 haloalkyl; or R 2 is C 3 -C 6 cycloalkyl which can be mono - or polysubstituted by substituents selected from the group consisting of halogen, cyano and C 1 -C 4 alkyl; and X 1 is O, S or NR 3, wherein R 3 is hydrogen, C 1 -C 4 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 4 alkoxy-C 1 -C 4 alkyl or C 3 -C 6 cycloalkyl; and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds. A represents CH or N; each R is, independently from each other, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 1 -C 4 alkylsulfanyl, C 1 -C 4 haloalkylsulfanyl, C 1 -C 4 alkylsulfinyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 alkylsulfonyl, C 1 -C 4 haloalkylsulfonyl, C 1 -C 6 alkylcarbonyl, C 1 -C 6 haloalkylcarbonyl, C 1 -C 6 alkoxycarbonyl, C 1 -C 6 haloalkoxycarbonyl, C 1 -C 6 alkylamino, C 2 -C 8 dialkylamino, halogen, cyano, cyanoC 1 -C 4 alkyl, tri(C 1 -C 4 alkyl)silyl, C 1 -C 4 alkoxyC 1 -C 4 alkoxy, C 1 -C 4 alkylsulfanylC 1 -C 4 alkoxy or nitro; or each R is, independently from each other, phenyl, pyrimidinyl, thiazolyl, pyridinyl, imidazolyl, pyrazolyl, oxazolyl or oxadiazolyl; wherein said phenyl, pyrimidinyl, thiazolyl, pyridinyl, imidazolyl, pyrazolyl, oxazolyl or oxadiazolyl itself can be mono- to polysubstituted by substituents independently selected from the group consisting of halogen, C 1 -C 6 alkyl and cyano; n is 0, 1, 2, 3, 4 or 5; X is S, SO or SO 2; R 1 is C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 3 -C 6 cycloalkyl, C 3 -C 6 cycloalkyl-C 1 -Caalkyl, C 3 -C 6 cycloalkyl mono-, di- or trisubstituted by substituents selected from the group consisting of halogen, cyano and C 1 -C 4 alkyl; or R 1 is C 3 -C 6 cycloalkyl-C 1 -C 4 alkyl mono- or polysubstituted by substituents selected from the group consisting of halogen, cyano and C 1 -C 4 alkyl; or R 1 is C 2 -C 6 alkenyl, C 2 -C 6 haloalkenyl or C 2 -C 6 alkynyl; R 2 is halogen, C 1 -C 4 haloalkyl or C 1 -C 4 haloalkyl substituted by one or two substituents selected from the group consisting of hydroxyl, methoxy and cyano; or R 2 is C 1 -C 4 haloalkylsulfanyl, C 1 -C 4 haloalkylsulfinyl, C 1 -C 4 haloalkylsulfonyl, O(C 1 -C 4 haloalkyl) or -C C 1 -C 4 haloalkyl; or R 2 is C 3 -C 6 cycloalkyl which can be mono - or polysubstituted by substituents selected from the group consisting of halogen, cyano and C 1 -C 4 alkyl; and X 1 is O, S or NR 3, wherein R 3 is hydrogen, C 1 -C 4 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 4 alkoxy-C 1 -C 4 alkyl or C 3 -C 6 cycloalkyl; and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds.