The present invention is an aqueous suspension pesticide composition, which contains at least one pesticide active ingredient selected from the group consisting of amine derivatives represented by the following general formula (1) and their salts, and high Purity part desulphonated lignosulfonate, and aqueous dispersion medium. [In the general formula (1), Ar represents a pyridyl group which may be substituted by a halogen atom or the like, or a pyrimidinyl group which may be substituted by a halogen atom or the like； R 1 represents a hydrogen atom or a C1-6 alkyl group； Y represents a hydrogen atom, etc., R 2 represents C1-6 alkyl substituted by halogen].本發明為一種水性懸濁狀農藥組成物，其係包含選自由下述之一般式(1)表示之胺衍生物及其鹽所構成之群組中之至少1種的農藥活性成分、與高純度部分脫磺木質素磺酸鹽、與水性分散介質。[一般式(1)中，Ar表示可被鹵素原子等取代之吡啶基，或可被鹵素原子等取代之嘧啶基；R1表示氫原子或C1～6烷基；Y表示氫原子等，R2表示藉由鹵素取代之C1～6烷基]。
