PROBLEM TO BE SOLVED: To provide a heteroaryl compound that has excellent pest control activities, particularly an excellent insecticidal activity and/or acaricidal activity, has excellent safety, and can be synthesized in an industrially advantageous manner, and a pest control agent, an insecticidal or a miticide, or an ectoparasite control agent comprising the same as an active ingredient.SOLUTION: The present invention provides a compound represented by formula (I-1) and the like or salt thereof [R1 is an alkyl group and the like, X1 is an alkyl group or the like m is the number of X1 and an integer of 0-2. B1, B3, B6 and B5 independently represent C or N R2 is an alkyl group or the like X2 is an alkyl group or the like n is the number of X2 and an integer of 0-2 Z is O or the like. A is an alkylene group].SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】有害生物防除活性、その中でも特に殺虫活性及び/又は殺ダニ活性に優れ、安全性に優れ、且つ工業的に有利に合成できるヘテロアリール化合物、並びにこれを有効成分として含有する有害生物防除剤、殺虫若しくは殺ダニ剤、又は外部寄生虫防除剤の提供。【解決手段】式(I-1)等で表される化合物またはその塩。[R1はアルキル基等、X1はアルキル基等;mはX1の個数を示しかつ0~2のいずれかの整数。B1、B3、B6及びB5は各々独立にC又はN;R2はアルキル基等;X2はアルキル基等;nはX2の個数を示しかつ0~2のいずれかの整数;ZはO等。Aはアルキレン基]【選択図】なし
