The present invention provides a substituted anilide derivative of formula (I): {wherein Z is a group of formula (II) or (III) (in these formulas, A is C1-C6 alkylene, C2-C6 alkenylene, etc., R1 is H, halogen, —C(R5)═NOR6, (substituted) phenyl, (substituted) heterocyclic ring, -A1-R7, etc.; R2 is H, C1-C4 alkyl, etc.), R3 is H, C1-C4 alkyl, etc.; R4 is H, F, fluoro C1-C6 alkyl; Rf is F, fluoro C1-C6 alkyl; 1 is 0 to 2; Y is halogen, (substituted) phenyl, (substituted) phenoxy, etc.; and m is 0 to 3}, an intermediate thereof, an agrohorticultural agent, and a method for the use thereof. The compound of the present invention exhibits, at a low dosage, high uptake and translocation from the root and an excellent insecticidal effect especially when applied to soil.