PROBLEM TO BE SOLVED: To develop a novel agricultural and horticultural insecticide for overcoming factor of generation of insect pests having resistance to existing agents because damages caused by insect pests are still large in crop production such as agriculture or horticulture.SOLUTION: There are provided: a compound represented by the general formula (1), where R1, R2 and R3 represent a hydrogen atom, R5 and R6 bind to form a phenyl ring, R6 represents a hydrogen atom, an alkyl group, an alkynyl group or a cyanoalkyl group, Y represents an oxygen atom, Y1 represents a carbonyl group, A represents a CH group and m represents 0 salts thereof an agricultural and horticultural insecticide containing the compound as an active ingredient and an application method thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】農業及び園芸等の作物生産において、害虫等による被害は今なお大きく、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開発が望まれている。【解決手段】一般式(1)【化1】{式中、R1、R2及びR3は水素原子を示し、R5及びR6は結合してフェニル環を形成し、R6は、水素原子、アルキル基、アルキニル基、又はシアノアルキル基を示し、Yは酸素原子、Y1はカルボニル基を示し、AはCH基を示し、mは0を示す。}で表される化合物又はその塩類、それを有効成分とする農園芸用殺虫剤並びにその使用方法。【選択図】なし
