Formula (I)In the equation, Q represents the base represented by formulaA1 represents CR7 and the like.A2 represents nr8a or the like.A4 represents nitrogen atoms, etc.A5 represents nitrogen atoms, etc.A6 represents nitrogen atoms, etc.R1 represents a cyclopropyl group, etc.R2 represents a 5-10 membered heterocyclic group that may have one or more substituents selected from group B；R3 and R7 represent C1-C6 chain hydrocarbon groups that may also have one or more halogen atoms independentlyR8a represents a C1-C6 chain hydrocarbon group, which may have one or more substituents selected from group DX1 represents oxygen atoms, etc.L represents a single bond, etc.N is 0,1Or 2.The compounds represented by the above have excellent control effects against harmful arthropods.式（Ｉ）［式中、Ｑは式Ｑ１で表される基等を表し、Ａ1はＣＲ7等を表し、Ａ2はＮＲ8A等を表し、Ａ4は窒素原子等を表し、Ａ5は窒素原子等を表し、Ａ6は窒素原子等を表し、Ｒ1はシクロプロピル基等を表し、Ｒ2は群Ｂより選ばれる１以上の置換基を有していてもよい５－１０員複素環基を表し、Ｒ3及びＲ7は各々独立して１以上のハロゲン原子を有していてもよいＣ１－Ｃ６鎖式炭化水素基等を表し、Ｒ8Aは群Ｄ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、Ｘ1は酸素原子等を表し、Ｌは単結合等を表し、ｎは０、１、又は２を表す。］で表される化合物は有害節足動物に対して優れた防除効果を有する。
