A compound of the Formula A: wherein Q represents C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, SR 3 , or NR 1 R 2 ; X represents H or halogen; Y represents Ar; Ar represents a phenyl group or a pyridine substituted with one to four substituents independently selected from halogen, nitro, cyano, formyl, C 1 -C 6 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 alkoxy, C 2 -C 4 alkoxyalkyl, C 2 -C 6 alkylcarbonyl, C 1 -C 6 alkylthio, C 1 -C 6 alkylsulfinyl, C 1 -C 6 alkylsulfonyl, C 2 -C 4 alkenyloxy, C 2 -C 4 alkynyloxy, C 2 -C 4 alkenylthio, C 2 -C 4 alkynylthio, C 1 -C 6 haloalkyl, C 3 -C 7 halocycloalkyl, C 2 -C 6 haloalkenyl, C 2 -C 6 haloalkynyl, C 1 -C 6 haloalkoxy, C 2 -C 4 haloalkoxyalkyl, C 2 -C 6 haloalkylcarbonyl, C 1 -C 6 haloalkylthio, C 1 -C 6 haloalkylsulfinyl, C 1 -C 6 haloalkylsulfonyl, C 3 -C 6 trialkylsilyl, C 2 -C 4 haloalkenyloxy, C 2 -C 4 haloalkynyloxy, C 2 -C 4 haloalkenylthio, C 2 -C 4 haloalkynylthio, -OCH 2 CH 2 -, -OCH 2 CH 2 CH 2 -, -OCH 2 O- -OCH 2 CH 2 O- -C(O)OR 3 , -C(O)NR 3 R 4 , -CR 4 NOR 3 , -NH 2 , -NR 3 R 4 , -NR 4 OR 3 , -NR 4 SO 2 R 3 , -NR 4 C(O)R 3 , -NR 4 C(O)OR 3 , -NR 4 C(O)NR 3 R 4 or -NCR 4 NR 3 R 4 ; R 1 and R 2 independently represent H, C 1 -C 6 alkyl, or C 1 -C 6 acyl; R 3 represents C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; and R 4 represents H, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; or, with respect to the carboxylic acid group of Formula A, an agriculturally acceptable salt, ester, acylhydrazide, imidate, thioimidate, amidine, amide, orthoester, acylcyanide, acyl halide, thioester, thionoester, dithiolester, or nitrile thereof. Q represents C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, SR 3 , or NR 1 R 2 ; X represents H or halogen; Y represents Ar; Ar represents a phenyl group or a pyridine substituted with one to four substituents independently selected from halogen, nitro, cyano, formyl, C 1 -C 6 alkyl, C 3 -C 7 cycloalkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, C 1 -C 6 alkoxy, C 2 -C 4 alkoxyalkyl, C 2 -C 6 alkylcarbonyl, C 1 -C 6 alkylthio, C 1 -C 6 alkylsulfinyl, C 1 -C 6 alkylsulfonyl, C 2 -C 4 alkenyloxy, C 2 -C 4 alkynyloxy, C 2 -C 4 alkenylthio, C 2 -C 4 alkynylthio, C 1 -C 6 haloalkyl, C 3 -C 7 halocycloalkyl, C 2 -C 6 haloalkenyl, C 2 -C 6 haloalkynyl, C 1 -C 6 haloalkoxy, C 2 -C 4 haloalkoxyalkyl, C 2 -C 6 haloalkylcarbonyl, C 1 -C 6 haloalkylthio, C 1 -C 6 haloalkylsulfinyl, C 1 -C 6 haloalkylsulfonyl, C 3 -C 6 trialkylsilyl, C 2 -C 4 haloalkenyloxy, C 2 -C 4 haloalkynyloxy, C 2 -C 4 haloalkenylthio, C 2 -C 4 haloalkynylthio, -OCH 2 CH 2 -, -OCH 2 CH 2 CH 2 -, -OCH 2 O- -OCH 2 CH 2 O- -C(O)OR 3 , -C(O)NR 3 R 4 , -CR 4 NOR 3 , -NH 2 , -NR 3 R 4 , -NR 4 OR 3 , -NR 4 SO 2 R 3 , -NR 4 C(O)R 3 , -NR 4 C(O)OR 3 , -NR 4 C(O)NR 3 R 4 or -NCR 4 NR 3 R 4 ; R 1 and R 2 independently represent H, C 1 -C 6 alkyl, or C 1 -C 6 acyl; R 3 represents C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; and R 4 represents H, C 1 -C 4 alkyl or C 1 -C 4 haloalkyl; or, with respect to the carboxylic acid group of Formula A, an agriculturally acceptable salt, ester, acylhydrazide, imidate, thioimidate, amidine, amide, orthoester, acylcyanide, acyl halide, thioester, thionoester, dithiolester, or nitrile thereof. <EOS>