PROBLEM TO BE SOLVED: To provide a composition having excellent control effect on harmful arthropods.SOLUTION: The present invention relates to a composition containing a compound represented by formula (I) [where A1 is a nitrogen atom or the like, n is 0 or the like, q is 0 or the like, G is a C3-C8 alicyclic hydrocarbon group that may have at least one substituent selected from a specific group, or the like, R3a is a C1-C6 chain hydrocarbon group that may have at least one substituent selected from a specific group, or the like, A2 is a nitrogen atom or the like, A3 is a nitrogen atom or the like, A4 is a nitrogen atom or the like, T is a C1-C10 chain hydrocarbon group having one or more halogen atoms, or the like, and R2 is a cyclopropyl group or the like].SELECTED DRAWING: NoneCOPYRIGHT: (C)2019,JPO&INPIT【課題】有害節足動物に対して優れた防除効力を有する組成物の提供。【解決手段】式(I)で示される化合物を含む組成物。[式中、A1は窒素原子等を表し、nは0等を表し、qは0等を表し、Gは特定の群より選ばれる1以上の置換基を有していてもよいC3-C8脂環式炭化水素基等を表し、R3aは特定の群より選ばれる1以上の置換基を有していてもよいC1-C6鎖式炭化水素基等を表し、A2は窒素原子等を表し、A3は窒素原子等を表し、A4は窒素原子等を表し、Tは1以上のハロゲン原子を有するC1-C10鎖式炭化水素基等を表し、そしてR2はシクロプロピル基等を表す]【選択図】なし
