PROBLEM TO BE SOLVED: To provide a pest controlling composition having excellent pest controlling efficacy on pests.SOLUTION: There is provided a pest controlling composition containing a compound represented by the formula (1) and the like, spinetoram and spinosad. In the formula (1), Arepresents an oxygen atom, a sulfur atom and the like, Arepresents a nitrogen atom or =CH- and the like, Arepresents a nitrogen atom or =CH- and the like, Rrepresents a C1 to C6 chain hydrocarbon group and the like, R, R, Rand Rare same or different and represent a C1 to C6 chain hydrocarbon atom which may have a halogen atom, a cyano group, a nitro group, a halogen atom, a hydrogen atom and the like, Rand Rare same or different and represent a C1 to C6 chain hydrocarbon group, a cyano group, a nitro group, a halogen atom, a hydrogen atom and the like and n represents 0, 1 or 2.【課題】有害生物に対する優れた防除効力を有する有害生物防除組成物を提供する。【解決手段】下式（１）で示される化合物等とスピネトラム又はスピノサドとを含有する有害生物防除組成物。［式中、Ａ1は酸素原子、硫黄原子等を表し、Ａ2は窒素原子又は＝ＣＨ－等を表し、Ａ3は窒素原子又は＝ＣＨ－等を表し、Ｒ1はＣ１－Ｃ６鎖式炭化水素基等を表し、Ｒ2、Ｒ3、Ｒ4及びＲ5は同一又は相異なり、ハロゲン原子を有していてもよいＣ１－Ｃ６鎖式炭化水素基、シアノ基、ニトロ基、ハロゲン原子、水素原子等を表し、Ｒ6及びＲ7は同一又は相異なり、Ｃ１－Ｃ６鎖式炭化水素基、シアノ基、ニトロ基、ハロゲン原子、水素原子等を表し、ｎは０、１又は２を表す。］【選択図】なし
