Problem to be solved: to provide an amide compound capable of being able to synthesize harmful chemicals and harmful substances, such as acaricide activity and insecticidal activity, and to be excellent in safety and industrially, and a harmful biological control agent containing the compound as an effective ingredient.A compound represented by formula (1) or salt thereof.(z is o or s a is substituted or unsubstituted n - ((pyridine-4-yl) oxy) amino acid B - cr4r5r6 or - cr4r5r7 R4 and R5 are independently independent, and C1 to 6 alkyl or R4 and Alternatively, R6 is substituted or unsubstituted C1-6 aminocarbonyl R7 is substituted or unsubstituted aminocarbonyl or substituted or unsubstituted heteroaryl.No selection【課題】殺ダニ活性、殺虫活性等の有害生物防除活性及び安全性に優れ、且つ工業的に有利に合成できるアミド化合物、並びに前記化合物を有効成分として含有する有害生物防除剤の提供。【解決手段】式(1)で表される化合物又はその塩。(ZはO又はS;Aは置換若しくは無置換のN-[(ピリジン-4-イル)オキシ]アミノ等;Bは-CR4R5R6又は-CR4R5R7;R4及びR5は各々独立に、C1~6のアルキル、或いはR4及びR5は一緒になって、それらが結合する炭素原子とともに環を形成してもよく;R6は置換若しくは無置換のC1~6アミノカルボニル;R7は置換若しくは無置換のアミノカルボニル又は置換若しくは無置換のヘテロアリール。)【選択図】なし
