A compound of formula: wherein A 1, A 2, A 3 and A 4 are independently of one another C-H, C-R 5, or nitrogen; G 1 is oxygen or sulfur; L is a single bond or C 1 -C 8 alkylene; R 1 is hydrogen, C 1 -C 8 alkyl, C 1 -C 8 alkylcarbonyl-, C 1 -C 8 alkoxy, C 1 -C 8 alkoxy-C 1 -C 8 alkyl or C 1 -C 8 alkoxycarbonyl-; R 2 is hydrogen, C 1 -C 8 haloalkyl or C 1 -C 8 alkyl; R 3 is C 1 -C 8 haloalkyl; R 4 is aryl or aryl substituted by one to three R 6, or R 4 is heterocyclyl or heterocyclyl substituted by one to three R 6; each R 5 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl, C 1 -C 8 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, C 1 -C 8 alkoxycarbonyl-, or two R 5 on adjacent carbon atoms together form a -CH=CH-CH=CH- bridge or a -N=CH-CH=CH- bridge; each R 6 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 1 -C 8 alkoxy, or C 1 -C 8 haloalkoxy; Y 1 is CR 7 R 8, Y 2 is O, Y 3 is N-R 9 and Y 4 is C=O; each R 7 and R 8 is independently hydrogen, halogen, C 1 -C 8 alkyl, or C 1 -C 8 haloalkyl; each R 9 is independently hydrogen, cyano, cyano-C 1 -C 8 alkyl, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkyl where one carbon atom is replaced by O, S, S or SO 2, or C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl where one carbon atom in the cycloalkyl group is replaced by O, S, S or SO 2, or C 3 -C 8 cycloalkyl-C 1 -C 8 haloalkyl, C 1 -C 8 hydroxyalkyl, C 1 -C 8 alkoxy-C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, phenyl, phenyl substituted by one to three R 10, phenyl-C 1 -C 4 alkyl, phenyl-C 1 -C 4 alkyl wherein the phenyl moiety is substituted by one to three R 10, 5-6 membered heteroaryl-C 1 -C 4 alkyl or 5-6 membered heteroaryl-C 1 -C 4 alkyl wherein the heteroaryl moiety is substituted by one to three R 10, C 1 -C 4 alkyl-(C 1 -C 4 alkyl-O-N=)C-CH 2 -; each R 10 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 1 -C 8 alkoxy, or C 1 -C 8 haloalkoxy; or a salt or N- oxide thereof. A 1, A 2, A 3 and A 4 are independently of one another C-H, C-R 5, or nitrogen; G 1 is oxygen or sulfur; L is a single bond or C 1 -C 8 alkylene; R 1 is hydrogen, C 1 -C 8 alkyl, C 1 -C 8 alkylcarbonyl-, C 1 -C 8 alkoxy, C 1 -C 8 alkoxy-C 1 -C 8 alkyl or C 1 -C 8 alkoxycarbonyl-; R 2 is hydrogen, C 1 -C 8 haloalkyl or C 1 -C 8 alkyl; R 3 is C 1 -C 8 haloalkyl; R 4 is aryl or aryl substituted by one to three R 6, or R 4 is heterocyclyl or heterocyclyl substituted by one to three R 6; each R 5 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl, C 1 -C 8 haloalkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, C 1 -C 8 alkoxycarbonyl-, or two R 5 on adjacent carbon atoms together form a -CH=CH-CH=CH- bridge or a -N=CH-CH=CH- bridge; each R 6 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 1 -C 8 alkoxy, or C 1 -C 8 haloalkoxy; Y 1 is CR 7 R 8, Y 2 is O, Y 3 is N-R 9 and Y 4 is C=O; each R 7 and R 8 is independently hydrogen, halogen, C 1 -C 8 alkyl, or C 1 -C 8 haloalkyl; each R 9 is independently hydrogen, cyano, cyano-C 1 -C 8 alkyl, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkyl where one carbon atom is replaced by O, S, S or SO 2, or C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl, C 3 -C 8 cycloalkyl-C 1 -C 8 alkyl where one carbon atom in the cycloalkyl group is replaced by O, S, S or SO 2, or C 3 -C 8 cycloalkyl-C 1 -C 8 haloalkyl, C 1 -C 8 hydroxyalkyl, C 1 -C 8 alkoxy-C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 haloalkenyl, C 2 -C 8 alkynyl, C 2 -C 8 haloalkynyl, phenyl, phenyl substituted by one to three R 10, phenyl-C 1 -C 4 alkyl, phenyl-C 1 -C 4 alkyl wherein the phenyl moiety is substituted by one to three R 10, 5-6 membered heteroaryl-C 1 -C 4 alkyl or 5-6 membered heteroaryl-C 1 -C 4 alkyl wherein the heteroaryl moiety is substituted by one to three R 10, C 1 -C 4 alkyl-(C 1 -C 4 alkyl-O-N=)C-CH 2 -; each R 10 is independently halogen, cyano, nitro, C 1 -C 8 alkyl, C 1 -C 8 haloalkyl, C 1 -C 8 alkoxy, or C 1 -C 8 haloalkoxy; or a salt or N- oxide thereof.