The present invention provides a 5-(1,2,4-triazol-5-yl) benzoic acid amide derivative or a salt thereof having an excellent noxious organism control effect, and a noxious organism control agent and a production intermediate containing it as an active ingredient.Provided is a 5-(1,2,4-triazol-5-yl) benzoic acid amide derivative represented by the general formula [I] or a salt thereof, and a noxious organism control agent characterized by containing it as an active ingredient.[In the formula, R1 represents a hydrogen atom, a C1-C6 alkyl group, a C3-C6 cycloalkyl group or the like； R2 represents a hydrogen atom or the like； A represents an oxygen atom or a sulfur atom； B represents a single bond, a group -O-or the like； n represents an integer of 0, 1, 2, or 3； m represents an integer of 0, 1, or 2； R3 represents a halogen atom, a C1-C6 alkyl group or the like； R4 represents a halogen atom, a cyano group or the like； R5 represents a C1-C6 alkyl group, a C3-C6 cycloalkyl group or the like； R6 represents a hydrogen atom or a C1-C6 alkyl group.]本發明提供一種具有優異的有害生物防除效果的5-(1,2,4-三唑-5-基)苯甲醯胺衍生物或其鹽、及一種含有該等作為有效成分的有害生物防除劑及製造中間物。本發明提供一種提供通式[I]表示的5-(1,2,4-三唑-5-基)苯甲醯胺衍生物或其鹽、一種含有其作為有效成分之有害生物防除劑。[式中，R1表示氫原子、C1至C6烷基、C3至C6環烷基等，R2表示氫原子等，A表示氧原子或硫原子，B表示單鍵、基-O-等，n表示0、1、或2的整數，m表示0、1、或2的整數，R3表示鹵原子、C1至C6烷基等，R4表示鹵原子、氰基等，R5表示C1至C6烷基、C3至C6環烷基等，R6表示氫原子或C1至C6烷基。]
