PROBLEM TO BE SOLVED: To provide a pest control composition having an excellent controlling effect against pests, and to provide a method for controlling pests.SOLUTION: The pest control composition comprises pyriproxyfen and a compound represented by formula (I) (wherein, R1, R2, R3, R4, R5, R6, R7, R8, X1 and X2 are all represented by the definition in the specification) has the excellent controlling effect against the pests.COPYRIGHT: (C)2012,JPO&INPIT【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及び有害生物の防除方法を提供すること。【解決手段】ピリプロキシフェンと、式(I):〔式中、R1、R2、R3、R4、R5、R6、R7、R8、X1及びX2はいずれも明細書中に記載の定義を表す。〕で示される化合物とを含有する有害生物防除組成物は、有害生物に対する優れた防除効力を有する。【選択図】なし