Compounds of the formula I, or the N-oxides, or the agriculturally acceptable salts thereof wherein: R A is independently selected from the group consisiting of halogen, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy and C 1 -C 6 -haloalkoxy; n is 0, 1 or 2; L is -(C=S)- or -S(=O) p -; p is 0, 1 or 2; R 1 is C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy; wherein any of the aliphatic groups are unsubstituted or substituted with 1, 2, 3, 4, 5 or up to the maximum possible number of identical or different radicals selected from the group consisting of hydroxy, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy and C 3 -C 8 -cycloalkyl; R 2 is hydrogen, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 -alkoxy, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkenyl, C 3 -C 8 -cycloalkyl-C 1 -C 4 -alkyl, phenyl-C 1 -C 4 -alkyl, phenyl, C(=O)-(C 1 -C 6 -alkyl) or C(=O)-(C 1 -C 6 -alkoxy); and wherein any of the aliphatic or cyclic groups are unsubstituted or substituted with 1, 2, 3 or up to the maximum possible number of identical or different radicals selected from the group consisting of halogen, hydroxy, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy and C 3 -C 8 -cycloalkyl; R 3, R 4 independently of each other are selected from the group consisting of hydrogen, halogen, cyano, C 1 -C 4 -alkyl, C 1 -C 4 -alkenyl, C 1 -C 4 -alkynyl, C 1 -C 4 -haloalkyl and C 1 -C 4 -alkoxy; or R 3 and R 4 together with the carbon atom to which they are bound form a saturated 3- to 7-membered carbocycle or a saturated 3- to 6-membered heterocycle; wherein the saturated heterocycle includes beside carbon atoms 1, 2 or 3 heteroatoms independently selected from the group consisiting of N, O and S as ring member atoms; and wherein said N ring member atom is substituted with the group R N; wherein R N is hydrogen, C 1 -C 6 -alkyl or halogen; and wherein said S ring member atom is unsubstituted or substituted with 1 or 2 oxo radicals; and wherein one or two CH 2 groups of the saturated carbocycle or of the saturated heterocycle may be replaced by one or two groups independently selected from -C(=O)- and -C(=S)-; and wherein the carbon ring member atoms of the saturated carbocycle or of the saturated heterocycle are unsubstituted or substituted with a total number of 1, 2, 3, 4 or up to the maximum possible number of identical or different radicals selected from the group consisting of halogen, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy and C 3 -C 8 -cycloalkyl; with the exception of compounds of the formula I wherein R 3 and R 4 both are hydrogen. R A is independently selected from the group consisiting of halogen, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 1 -C 6 -alkoxy and C 1 -C 6 -haloalkoxy; n is 0, 1 or 2; L is -(C=S)- or -S(=O) p -; p is 0, 1 or 2; R 1 is C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy; wherein any of the aliphatic groups are unsubstituted or substituted with 1, 2, 3, 4, 5 or up to the maximum possible number of identical or different radicals selected from the group consisting of hydroxy, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy and C 3 -C 8 -cycloalkyl; R 2 is hydrogen, C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 2 -C 6 -alkynyl, C 1 -C 6 -alkoxy, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkenyl, C 3 -C 8 -cycloalkyl-C 1 -C 4 -alkyl, phenyl-C 1 -C 4 -alkyl, phenyl, C(=O)-(C 1 -C 6 -alkyl) or C(=O)-(C 1 -C 6 -alkoxy); and wherein any of the aliphatic or cyclic groups are unsubstituted or substituted with 1, 2, 3 or up to the maximum possible number of identical or different radicals selected from the group consisting of halogen, hydroxy, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy and C 3 -C 8 -cycloalkyl; R 3, R 4 independently of each other are selected from the group consisting of hydrogen, halogen, cyano, C 1 -C 4 -alkyl, C 1 -C 4 -alkenyl, C 1 -C 4 -alkynyl, C 1 -C 4 -haloalkyl and C 1 -C 4 -alkoxy; or R 3 and R 4 together with the carbon atom to which they are bound form a saturated 3- to 7-membered carbocycle or a saturated 3- to 6-membered heterocycle; wherein the saturated heterocycle includes beside carbon atoms 1, 2 or 3 heteroatoms independently selected from the group consisiting of N, O and S as ring member atoms; and wherein said N ring member atom is substituted with the group R N; wherein R N is hydrogen, C 1 -C 6 -alkyl or halogen; and wherein said S ring member atom is unsubstituted or substituted with 1 or 2 oxo radicals; and wherein one or two CH 2 groups of the saturated carbocycle or of the saturated heterocycle may be replaced by one or two groups independently selected from -C(=O)- and -C(=S)-; and wherein the carbon ring member atoms of the saturated carbocycle or of the saturated heterocycle are unsubstituted or substituted with a total number of 1, 2, 3, 4 or up to the maximum possible number of identical or different radicals selected from the group consisting of halogen, cyano, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy and C 3 -C 8 -cycloalkyl;