Carbanilide derivatives of formula (I) are new: R = halo, nitro, cyano, 1-8C alkyl, 1-6C haloalkyl, 1-8C alkoxy, 1-6C haloalkoxy, 1-8C alkylthio, 1-6C haloalkylthio, 2-8C alkenyloxy, 2-8C alkynyloxy, 3-8C cycloalkyl, carbalkoxy (with 1-8C in the alkoxy part) or 1-6C alkoximino-(1-6C)-alkyl; m = 0-4; A = a group of formula (a)-(n); R1 = halo, 1-4C alkyl or 1-4C haloalkyl; R2 = H, halo, cyano or 1-4C alkyl; R3,R4 = H, halo, 1-4C alkyl or 1-4C haloalkyl; R5 = halo, cyano, 1-4C alkyl or 1-4C haloalkoxy; R6,R7 = H, halo, 1-4C alkyl or 1-4C haloalkyl; R8 = H, halo or 1-4C alkyl; R9 = halo, cyano, 1-6C alkyl, 1-4C haloalkyl, 1-4C haloalkoxy or 1-4C haloalkylthio; R10 = halo, cyano, 1-4C alkyl or 1-4C haloalkyl, 1-4C alkoxy, 1-4C alkylthio or 1-4C haloalkoxy; R11 = H, halo, cyano, 1-4C alkyl, 1-4C haloalkyl, 1-4C alkoxy, 1-4C alkylthio or 1-4C haloalkoxy; R12 = 1-4C alkyl or 1-4C haloalkyl; X1 = S, SO, SO2 or CH2; R13 = 1-4C alkyl or 1-4C haloalkyl; R14 = halo, cyano, 1-4C alkyl or 1-4C haloalkyl; R15,R16 = H, halo, 1-4C alkyl or 1-4C haloalkyl; R17 = H, halo or 1-4C alkyl; R18 = H, halo, amino, cyano or 1-4C alkyl; R19 = halo, 1-4C alkyl or 1-4C haloalkyl; R20 = H, halo, amino, cyano or 1-4C alkyl; R21 = halo, 1-4C alkyl or 1-4C haloalkyl; R22 = H or 1-4C alkyl; R23 = halo or 1-4C alkyl; Q = 1-4C alkylene, 2-4C alkenylene, 2-4C alkynylene, CO, CHOH, C(O)CH2, CHR24-O-N=CR25, CR26=N-O-, or a group of formula (o); R24-R26 = H, 1-4C alkyl, 3-6C cycloalkyl, 2-4C alkenyl or 2-4C alkynyl; R27,R28 = H or 1-4C alkyl; Y = O or S(O)r; r,n,p = 0-2; * indicates a bond to the Ph residue of the aniline part; X = O or S; Z = (all optionally substituted) Ph, naphthyl, anthracenyl or heteroaryl; and where all haloalkyl, haloalkoxy and haloalkylthio groups have 1-5 halo atoms.