PROBLEM TO BE SOLVED: To provide a composition having superior controlling efficacies against pests.SOLUTION: There are provided a pest-controlling composition containing a hydrazide compound represented by formula (1), and a plant essential oil such as anise star oil； and a method for controlling the pests including applying effective amounts of the hydrazide compound represented by formula (1), and the plant essential oil such as the anise star oil to the pests or habitats of the pests.【課題】有害生物に対して優れた防除効力を有する組成物を提供すること。【解決手段】下記式（１）で示されるヒドラジド化合物〔式中、Ｇ、Ｍ、Ｑ1、Ｑ2、Ｑ3、Ｑ4、Ｒ2、Ｒ4、Ｒ5、Ｒ6及びｍは明細書に記載した意味を表す。〕と、アニススタ－油等の植物精油とを含有する有害生物防除組成物；並びに、下記式（１）で示されるヒドラジド化合物と、アニススタ－油等の植物精油との有効量を有害生物又は有害生物の生息場所に施用する有害生物の防除方法。【選択図】なし
