A compound of formula, wherein A 1, A 2, A 3 and A 4, independently of one another, are C-H, C-R 5 or nitrogen; 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 halogen, C 1 -C 8 alkoxy, amino, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 8 haloalkoxy, C 1 -C 8 alkylamino, C 1 -C 8 alkylamino wherein the alkyl group is substituted by R 6a, C 1 -C 8 alkenylamino, -NHC NR a R b, C 1 -C 8 dialkylamino, C 1 -C 8 dialkylamino wherein one or both of the alkyl groups are independently substituted by R 6a, C 1 -C 8 dialkenylamino, C 1 -C 8 haloalkylamino, C 1 -C 8 dihaloalkylamino, C 3 -C 8 cycloalkyl, C 1 -C 8 alkyl substituted by R 6a, C 2 -C 6 alkenyl substituted by R 6b, C 2 -C 6 alkynyl substituted by R 6b, C 3 -C 8 cycloalkyl substituted by R 6b or -R c CO R d, wherein R a, R b, R c and R d are independently of each other C 1 -C 8 alkyl; R 3 is C 1 -C 8 haloalkyl; R 4 is aryl, aryl substituted by one to three R 7, heteroaryl or heteroaryl substituted by one to three R 7; 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, or C 1 -C 8 alkoxycarbonyl-, or two R 5 on adjacent carbon atoms together form a -CH 2 -CH 2 -CH 2 - bridge, a -CH=CH-CH=CH- bridge or a -N=CH-CH=CH- bridge; each R 6a is independently cyano, C 3 -Cacycloalkyl, C 2 -C 8 alkynyl, C 1 -C 8 alkoxy, C 1 -C 8 alkoxy-C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, C 1 -C 8 alkylcarbonyloxy, -C NH 2 or =NOR f, wherein R f is C 1 -C 8 alkyl; each R 6b is independently halogen, cyano, 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 or C 1 -C 8 alkoxyC 1 -C 8 alkyl; and each R 7 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; and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds. A 1, A 2, A 3 and A 4, independently of one another, are C-H, C-R 5 or nitrogen; 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 halogen, C 1 -C 8 alkoxy, amino, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 8 haloalkoxy, C 1 -C 8 alkylamino, C 1 -C 8 alkylamino wherein the alkyl group is substituted by R 6a, C 1 -C 8 alkenylamino, -NHC NR a R b, C 1 -C 8 dialkylamino, C 1 -C 8 dialkylamino wherein one or both of the alkyl groups are independently substituted by R 6a, C 1 -C 8 dialkenylamino, C 1 -C 8 haloalkylamino, C 1 -C 8 dihaloalkylamino, C 3 -C 8 cycloalkyl, C 1 -C 8 alkyl substituted by R 6a, C 2 -C 6 alkenyl substituted by R 6b, C 2 -C 6 alkynyl substituted by R 6b, C 3 -C 8 cycloalkyl substituted by R 6b or -R c CO R d, wherein R a, R b, R c and R d are independently of each other C 1 -C 8 alkyl; R 3 is C 1 -C 8 haloalkyl; R 4 is aryl, aryl substituted by one to three R 7, heteroaryl or heteroaryl substituted by one to three R 7; 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, or C 1 -C 8 alkoxycarbonyl-, or two R 5 on adjacent carbon atoms together form a -CH 2 -CH 2 -CH 2 - bridge, a -CH=CH-CH=CH- bridge or a -N=CH-CH=CH- bridge; each R 6a is independently cyano, C 3 -Cacycloalkyl, C 2 -C 8 alkynyl, C 1 -C 8 alkoxy, C 1 -C 8 alkoxy-C 1 -C 8 alkoxy, C 1 -C 8 haloalkoxy, C 1 -C 8 alkylcarbonyloxy, -C NH 2 or =NOR f, wherein R f is C 1 -C 8 alkyl; each R 6b is independently halogen, cyano, 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 or C 1 -C 8 alkoxyC 1 -C 8 alkyl; and each R 7 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; and agrochemically acceptable salts, stereoisomers, enantiomers, tautomers and N-oxides of those compounds.