PROBLEM TO BE SOLVED: To provide a new insecticide for agriculture and horticulture, in consideration of factors such as the occurrence of vermin resistant to existing insecticides, as the damage caused by vermin etc. is still serious in crop production such as agriculture and horticulture.SOLUTION: This invention provides: a condensed heterocyclic compound that has a cycloalkylpyridyl group expressed by formula (1), or salts thereof an insecticide for agriculture and horticulture containing the compound and a method for using the insecticide. {R1 is a haloalkyl group A1 is O or an N-methyl group A2 and A3 are a CH group or N Ra, Rb, and Rc are H m is an integer of 0-2 and n is 1 or 2}.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】農業及び園芸等の作物生産において、害虫等による被害が今なお大きいことから、既存薬に対する抵抗性害虫の発生等の要因から新規な農園芸用殺虫剤の提供。【解決手段】式(1)で表されるシクロアルキルピリジル基を有する縮合複素環化合物、又はその塩類及び該化合物を含有する農園芸用殺虫剤並びにその使用方法を提供する。{R1はハロアルキル基;A1はO又はN‐メチル基;A2及びA3は、CH基又はN;Ra、Rb、RcはH;mは0~2の整数;nは1又は2}【選択図】なし
