PROBLEM TO BE SOLVED: To provide a novel pest control agent, particularly an insecticide or a miticide.SOLUTION: The present invention provides a condensed heterocyclic compound represented by formula (1) [where A1a is C1-C6 alkyl or the like, A4 and A5 independently represent a nitrogen atom or the like, R1 is C1-C6 alkyl or the like, R2 is a hydrogen atom or the like, R3 is halo (C1-C6) alkyl or the like, Y6, Y7, Y8 and Y9 independently represent a hydrogen atom, G1 or the like, G1 is formula G1-1, Y1, Y2, Y3, Y4 and Y5 independently represent halo (C1-C6) alkyl or the like, n is an integer of 0, 1 or 2, m is an integer of 0, 1 or 2] or a salt thereof or an N-oxide thereof.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】新規な有害生物防除剤、特に殺虫剤又は殺ダニ剤の提供。【解決手段】式（１）：［式中、Ａ１ａはＣ１～Ｃ６アルキル等を表し、Ａ４及びＡ５は各々独立して窒素原子等を表し、Ｒ１はＣ１～Ｃ６アルキル等を表し、Ｒ２は水素原子等を表し、Ｒ３はハロ（Ｃ１～Ｃ６）アルキル等を表し、Ｙ６、Ｙ７、Ｙ８及びＹ９は各々独立して水素原子、Ｇ１等を表し、Ｇ１は式Ｇ１－１を表し、Ｙ１、Ｙ２、Ｙ３、Ｙ４及びＹ５は各々独立してハロ（Ｃ１～Ｃ６）アルキル等を表し、ｎは０、１又は２の整数を表し、ｍは０、１又は２の整数を表す。］で表される縮合複素環化合物若しくはその塩又はそれらのＮ－オキシド。【選択図】なし
