PROBLEM TO BE SOLVED: To provide an oily suspension-shaped pest control agent composition dissolving foam formation upon scattering liquid preparation derived from an organic silicone-based surfactant and also exhibiting excellent insecticidal activity with a small amount of agricultural chemical.SOLUTION: Provided is an oily suspension-shaped pest control agent composition comprising: (1) flonicamid or its salt; (2) an organic silicone surfactant; and (3) at least one kind of only diluent selected from the group consisting of vegetable oils and their alkylation oils, and also provided is a method for controlling pests characterized in that the pest control agent composition is applied to pests or parts at which they grow.COPYRIGHT: (C)2014,JPO&INPITBuluş, etkin bileşen olarak, organik silikon tip bir yüzey etkin madde ihtiva eden, flonikamid ya da tuzunu içeren yağ bazlı bir haşere öldürücü süspansiyon ile ilgilidir.