A cyclohexanone compound of formula (I): ** Formula ** wherein m is an integer of 1, 2 or 3； n is an integer of any one of 1 to 5； X represents CH2, O, NR9, S, S (O) or S (O) 2； R1 represents a hydrogen atom or a methyl group； R2 and R3 independently represent each other a hydrogen atom, a C1-C6 alkyl group, a C1-C6 haloalkyl group, a C3-C8 cycloalkyl group, a C3-C9 halocycloalkyl group, a C3 (C1-C6 alkyl) cycloalkyl group -C8, a group (C3-C8 cycloalkyl) C1-C6 alkyl, a group (C3-C8 cycloalkyl) C3-C8 cycloalkyl, a group (C3-C8 halocycloalkyl) C1-C6 alkyl or a group {(C1-C6 alkyl ) C3-C8 cycloalkyl} C1-C6 alkyl, or R2 and R3 are connected to each other to represent a C2-C5 alkylene chain, or R2 and R3 are combined together to represent a C1-C3 alkylidene group optionally having one or more halogen atoms, with the proviso that when m is 2 or 3, two or three R2 may be the same or different from each other and two or three R3 may be the same or different from each other； R4 represents a C6-C10 aryl group or a five to six membered heteroaryl group, with the proviso that the C6-C10 aryl group and the five to six membered heteroaryl group may have one or more substituents selected from the group consisting of a halogen atom, a cyano group, a nitro group, an amino group, a (C1-C6 alkyl) amino group, a (C1-C6 alkyl) (C1-C6 alkyl) amino group, a benzoylamino group, a group aminocarbonyl, a (C1-C6 alkyl) aminocarbonyl group, a (C1-C6 alkyl) (C1-C6 alkyl) aminocarbonyl group, a pentafluorothium group, a C1-C6 alkyl group, a C2-C6 alkenyl group, a C2 alkynyl group -C6, a C1-C6 alkoxy group, a group (C1-C6 alkyl) thio, a group (C3-C6 alkenyl) oxy, a group (C3-C6 alkynyl) oxy, a C6-C10 aryl group, an aryl group (C6-C10) oxy, a (C1-C6 alkyl) sulfinyl group, a (C1-C6) alkyl sulfonyl group, a hydroxyl group, a (C1-C6 alkyl) carbonyl group, a hydroxycarbonyl group, a (C1 alkoxy) group -C6) carbonyl and a group (C6-C10 aryl) C1-C6 alkoxy, and when there are two or more substituents, the
