PROBLEM TO BE SOLVED: To provide an industrial pest control agent in which the active ingredient is derived from natural plants, that is usable in a wide range of industrial applications, and has excellent antibacterial, antifungal, antiseptic, algicidal activity and/or excellent wood pest control activity in each of these applications.SOLUTION: Provided is an industrial pest control agent containing plant extract as an active ingredient.SELECTED DRAWING: None【課題】有効成分が天然植物由来であって、幅広い工業用途に利用可能で、それらの各用途において優れた抗細菌、防カビ、防腐、防藻活性および/または優れた木材害虫防除活性を有する工業用有害生物防除剤を提供すること。【解決手段】植物抽出エキスを有効成分とする工業用有害生物防除剤を提供する。【選択図】なし