PROBLEM TO BE SOLVED: To provide novel agrochemicals, particularly herbicides.SOLUTION: The present invention provides heterocyclic amide compounds represented by formula (1) and herbicides comprising the same, where Q is an oxadiazole group, a tetrazole group, a triazole group, or an oxazole group W is an imidazo[1,5-a]pyridyl group or an imidazo[1,2-a]pyridyl group X is O or S].SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】新規な農薬、特に除草剤の提供。【解決手段】式(1)で表される複素環アミド化合物及びそれらを含有する除草剤。(Qはオキサジアゾール基、テトラゾール基、トリアゾール基、オキサゾール基;Wはイミダゾ[1,5-a]ピリジル基又はイミダゾ[1,2-a]ピリジル基;XはO又はS]【選択図】なし