PROBLEM TO BE SOLVED: To provide a pest control composition which exhibits excellent control effectiveness against pests, and to provide a method for controlling pests by using the pest control composition.SOLUTION: The pest control composition contains: a substituted 5-membered heterocyclic carboxylic acid N-containing oxygen (sulfur) 3- to 7-membered saturated heterocyclic ring-substituted alkyl amide exemplified by formula (1), formula (15) or the like and one or more compounds selected from the following groups I to V. The group I comprises sterilizing agents such as epoxy conazole, the group II comprises insecticides such as imidacloprid, the group III comprises acaricides such as cyfluthrin, the group IV comprises phytotoxicity reducing agents, and the group V comprises plant growth regulators such as gibberellin A3. The method for controlling pests by using the pest control composition is also provided.COPYRIGHT: (C)2015,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それを用いた有害生物防除方法の提供。【解決手段】式(1)、(15)等で例示される置換5員複素環カルボン酸N-含酸素(硫黄)3~7員飽和ヘテロ環置換アルキルアミドと、群I~Vより選ばれる1以上の化合物とを含有する有害生物防除組成物及びそれを用いた有害生物防除方法。群I;エポキシコナゾール等の殺菌剤、群II;イミダクロプリド等の殺虫剤、群III;シフルトリン等の殺ダニ剤、群IV;薬害軽減剤、群V;ジベレリンA3等の植物生長調節剤。【選択図】なし