The present invention provides a harmful organism control agent containing a pyrazole-3-carboxylic acid amide derivative or a salt thereof as an active ingredient, having an excellent harmful organism controlling effect.A pyrazole-3-carboxylic acid amide derivative represented by general formula [I]:(wherein, R1, R2, R3, R4, and R5 represent a hydrogen atom, halogen atom, C1-C6 alkyl group or the like, R6 represents a C1-C12 alkyl group, C1-C12 haloalkyl group or the like, R7 and R8 represent a hydrogen atom, C1-C12 alkyl group or the like) or an agriculturally acceptable salt thereof, and a harmful organism control agent containing the pyrazole-3-carboxylic acid amide derivative or an agriculturally acceptable salt thereof as an active ingredient.
