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), its salt or an N-oxide thereof. [D substituted with -S (O) nR1 is a ring selected from D1-D3 Q is a ring selected from Q1-Q4 G1-G5, A2-A5 and A8 independently represent C (Y1) or the like or N T1 and A1 independently represent O or S R1 is a C1-C6 alkyl group, a C1-C6 haloalkyl group or the like n is an integer of 0-2].SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,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、その塩又はそれらのN-オキシド。[-S(O)nR1で置換されたDはD1~D3の何れかの環;QはQ1~Q4の何れかの環;G1~G5、A2~A5及びA8は、各々独立して、C(Y1)等又はN;T1及びA1は、各々独立して、O又はS;R1は、C1-C6アルキル基、C1-C6ハロアルキル基等;nは、0~2の整数]【選択図】なし
