PROBLEM TO BE SOLVED: To provide a new technique for efficiently controlling pests whose control is difficult or whose control is impossible by the conventional technique.SOLUTION: Provided is a method for using a horticultural insecticide acaricide composition characterized in that the effective amount of a horticultural insecticide acaricide composition containing pyflubumide or a mixture of pyflubumide and fenpyroximate, machine oil and one or more kinds of spiracles blockade agents selected from fatty acid glyceride, sorbitan fatty acid ester or the like as effective ingredients is directly treated to a pest, or to a crop in which a pest is inhabited, or peripheral soil or a culture carrier in which a crop grows.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】従来技術では防除困難な又は防除不可能な害虫を効率的に防除するための新たな技術を提供すること。【解決手段】ピフルブミドあるいはピフルブミドとフェンピロキシメートとの混合剤とマシン油、脂肪酸グリセリド、ソルビタン脂肪酸エステル等から選択される気門封鎖剤を1種又は2種以上を有効成分として含有する農園芸用殺虫殺ダニ剤組成物、の有効量を、直接害虫に、又は害虫が生息する作物に、又は作物が生育する周辺土壌若しくは栽培担体に処理すること特徴とする農園芸用殺虫殺ダニ剤組成物の使用方法。【選択図】なし