PROBLEM TO BE SOLVED: To provide a novel pest control agent, especially a pesticide or a miticide.SOLUTION: A condensed heterocyclic compound or a salt thereof, or N-oxides of them, represented by formula (1) is provided. [A4 and A5 are each independently a nitrogen atom or CH R1 is a C1-C6 alkyl or the like R3 is a (C1-C6) haloalkyl or the like A1a is a C1-C6 alkyl or the like (a) when Y3 represents G1 or the like, Y2 and Y4 are H (b) when Y4 represents G1 or the like, Y2 is H or a halogen and Y3 is H (c) when Y2 represents an arbitrarily substituted (C3-C6) cycloalkyl or the like, Y3 and Y4 are H Z1 and Z2 are each independently a halogen or the like G1 represents G1-1, G1-2, or the like p5 is an integer of 0-5 p4 is an integer of 0-4 and n is an integer of 0-2].SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,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):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。[A4及びA5は、各々独立して窒素原子又はCH;R1はC1~C6アルキル等;R3はハロ(C1~C6)アルキル等;A1aはC1~C6アルキル等;(a)Y3がG1等を表す場合、Y2及びY4はH;(b)Y4がG1等を表す場合、Y2はH又はハロゲン、Y3はH;(c)Y2が任意に置換された(C3~C6)シクロアルキル等を表す場合、Y3及びY4はH;Z1及びZ2は、各々独立してハロゲン等;G1はG1-1、G1-2等;p5は0~5の整数;p4は0~4の整数;nは0~2の整数]【選択図】なし
