PROBLEM TO BE SOLVED: To provide a pest control composition having excellent efficacy of pest control.SOLUTION: A pest control composition comprises a compound represented by formula (1) and one or more compounds selected from group (a) or group (b). [In the formula, each symbol represents definition described in the specification.]SELECTED DRAWING: None【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こと。【解決手段】式(1):[式中、各記号は明細書中に記載の定義を表す。]で示される化合物と、群(a)又は群(b)より選ばれる1種以上の化合物とを含有する有害生物防除組成物。【選択図】なし