Disclosed is a composition containing an ester compound represented by formula (1), which composition is electrostatically sprayed to pests or to a place where the pests inhabit.揭示一種含有由式(1)所示之酯化合物的組成物,該組成物經靜電噴霧至害蟲或害蟲棲息地。1...噴霧電極2...噴霧凹處3...放電電極4...放電凹處5...噴霧出口面6...包覆之金屬管線7...包覆之金屬管線8...儲存槽9...小的空氣入口孔10...驅動電路