A compound of formula: wherein: X is O or S; R 1 is halogen, methyl or cyano; R 2 is hydrogen or halogen; R 3 and R 4 are each independently hydrogen or methyl; R 5 and R 6 are each independently selected from hydrogen, C 1 -C 5 alkyl, C 1 -C 5 haloalkyl, cyanoC 1- Csalkyl, C 1 -C 3 alkoxyC 1 -C 5 alkyl, C 1 -C 3 alkylthioC 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 2 -C 5 haloalkenyl, cyanoC 2 -Csalkenyl, C 1 -C 3 alkoxyC 2 -C 5 alkenyl, C 1 -C 3 alkylthioC 2 -C 5 alkenyl, C 2 -C 5 alkynyl, C 2 -C 5 haloalkynyl, cyanoC 2 -C 5 alkynyl, C 1 -C 3 alkoxyC 2 -C 5 alkynyl, C 1 -C 3 alkylthioC 2 -C 5 alkynyl and C 3 -C 6 cycloalkyl, wherein cycloalkyl is optionally substituted with 1, 2 or 3 substituents independently selected from halogen, cyano, C 1 -C 3 alkyl, C 1 -C 3 alkoxy and C 1 -C 3 alkylthio; or R 5 and R 6 together with the carbon atom to which they are attached represent C 3 -C 6 cycloalkyl, wherein the cycloalkyl group is optionally substituted with 1, 2 or 3 substituents independently selected from halogen, cyano and C 1 -C 3 alkyl; R 7 is hydrogen, C 1 -C 4 alkyl or C 3 -C 4 cycloalkyl; A is C 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 3 -C 6 cycloalkyl, C 4 -C 6 cycloalkenyl, C 1 -C 5 haloalkyl, C 2 -Cshaloalkenyl, C 1 -C 4 alkoxy, C 3 -C 5 alkenyloxy, C 3 -C 5 alkynyloxy, C 1 -C 4 haloalkoxy, C 3 -C 6 cycloalkoxy and phenyloxy, wherein the C 3 -C 6 cycloalkoxy and phenyloxy is optionally substituted with 1, 2 or 3 substituents independently selected from R 8; R 8 is halogen, nitro, cyano, C 1 -C 5 alkyl, C 1 -C 2 haloalkyl, C 1 -C 5 alkoxy, C 3 -C 5 alkenyloxy, C 3 -Csalkynyloxy and C 1 -C 5 alkylthio; or an agronomically acceptable salt, an N-oxide and/or S-oxide or a stereoisomer thereof. X is O or S; R 1 is halogen, methyl or cyano; R 2 is hydrogen or halogen; R 3 and R 4 are each independently hydrogen or methyl; R 5 and R 6 are each independently selected from hydrogen, C 1 -C 5 alkyl, C 1 -C 5 haloalkyl, cyanoC 1- Csalkyl, C 1 -C 3 alkoxyC 1 -C 5 alkyl, C 1 -C 3 alkylthioC 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 2 -C 5 haloalkenyl, cyanoC 2 -Csalkenyl, C 1 -C 3 alkoxyC 2 -C 5 alkenyl, C 1 -C 3 alkylthioC 2 -C 5 alkenyl, C 2 -C 5 alkynyl, C 2 -C 5 haloalkynyl, cyanoC 2 -C 5 alkynyl, C 1 -C 3 alkoxyC 2 -C 5 alkynyl, C 1 -C 3 alkylthioC 2 -C 5 alkynyl and C 3 -C 6 cycloalkyl, wherein cycloalkyl is optionally substituted with 1, 2 or 3 substituents independently selected from halogen, cyano, C 1 -C 3 alkyl, C 1 -C 3 alkoxy and C 1 -C 3 alkylthio; or R 5 and R 6 together with the carbon atom to which they are attached represent C 3 -C 6 cycloalkyl, wherein the cycloalkyl group is optionally substituted with 1, 2 or 3 substituents independently selected from halogen, cyano and C 1 -C 3 alkyl; R 7 is hydrogen, C 1 -C 4 alkyl or C 3 -C 4 cycloalkyl; A is C 1 -C 5 alkyl, C 2 -C 5 alkenyl, C 3 -C 6 cycloalkyl, C 4 -C 6 cycloalkenyl, C 1 -C 5 haloalkyl, C 2 -Cshaloalkenyl, C 1 -C 4 alkoxy, C 3 -C 5 alkenyloxy, C 3 -C 5 alkynyloxy, C 1 -C 4 haloalkoxy, C 3 -C 6 cycloalkoxy and phenyloxy, wherein the C 3 -C 6 cycloalkoxy and phenyloxy is optionally substituted with 1, 2 or 3 substituents independently selected from R 8; R 8 is halogen, nitro, cyano, C 1 -C 5 alkyl, C 1 -C 2 haloalkyl, C 1 -C 5 alkoxy, C 3 -C 5 alkenyloxy, C 3 -Csalkynyloxy and C 1 -C 5 alkylthio; or an agronomically acceptable salt, an N-oxide and/or S-oxide or a stereoisomer thereof.