Provided are a composition for a pest control aerosol and a pest control method each of which has an excellent pest control effect. Specifically provided are: a composition for a pest control aerosol, containing an ester compound represented by the following formula (1), a saturated hydrocarbon solvent, a silicone compound and a propellant and a pest control method including spraying an effective amount of a composition for a pest control aerosol which contains an ester compound represented by the following formula (1), a saturated hydrocarbon solvent, a silicone compound and a propellant onto a pest or a habitat of the pest.本發明提供一種各有優異有害生物防除效果的有害生物防除氣溶膠用組成物及有害生物防除方法。具體而言,所提供者為:有害生物防除氣溶膠用組成物,係含有下述式(1)表示的酯化合物,飽和烴溶媒,聚矽氧化合物及驅動劑;以及害蟲防除方法,係包括將有效量的有害生物防除氣溶膠用組成物噴灑於有害生物或有害生物的棲息處,該有害生物防除氣溶膠用組成物含有下述式(1)表示的酯化合物,飽和烴溶媒,聚矽氧化合物及驅動劑。
