There is provided a novel pest control agent, particularly an insecticide or miticide. A substituted dihydroazole compound of General Formula (1) or a salt thereof: where A1, A2, A3 and A4 are independently C—Y or N, A5 is —CH2—, etc., G1 is a benzene ring, etc., G2 is G2-1, G2-6, G2-9, etc., X is a halogen atom, C1-2haloalkyl, etc., Z is methyl, —NH2, etc., R1 is —C(O)R1a, etc., R1a is C1-4alkyl, etc., R2 is H, C1-4alkyl, etc., R3 is C1-2haloalkyl, etc., R4 is H, cyano, methyl, etc., m is an integer of 1, 2, 3, etc., n is an integer of 0 or 1; and a pest control agent comprising the compound or the salt thereof.