An agrichemical composition comprising a compound represented by the formula (1) and at least one insecticidally active compound selected from Group (A):Group (A): imidacloprid, clothianidin, thiamethoxam, acetamiprid, thiacloprid, nitenpyram, sulfoxaflor, flupyradifurone, imidaclothiz, cycloxaprid, abamectin, emamectin, emamectin benzoate, milbemectin, doramectin, lepimectin, flubendiamide, chlorantraniliprole, cyantraniliprole, fipronil, ethiprole, acetoprole, vaniliprole, pyriprole, pyrafluprole, thiodicarb, aldicarb, oxamyl, methiocarb, carbofuran, carbosulfan, fenitrothion, malathion, dimethoate and the like.