Disclosed are suspension concentrate compositions comprising by weight based on the total weight of the composition, (a) from about 0.1 to about 50% of one or more carboxamide arthropodicides that are solid at room temperature； (b) from 0 to about 50% of one or more biologically active agents other than the carboxamide arthropodicides； (c) from about 20 to about 70% of water； (d) from about 10 to about 70% of one or more water-immiscible liquid compounds； and (e) from about 1 to about 55% of a surfactant component having a dispersing property. This invention also relates to a method for controlling an arthropod pest comprising diluting said suspension concentrate composition with water, optionally adding an adjuvant to form a diluted composition, and contacting the arthropod pest or its environment with an effective amount of said diluted composition.本發明揭示包含重量以組合物之總重量計之下列各物的懸浮濃縮組合物：(a)約0.1至約50%之一或多種在室溫下為固體之甲醯胺殺節肢動物劑；(b)0至約50%之一或多種不同於甲醯胺殺節肢動物劑之生物活性劑；(c)約20至約70%之水；(d)約10至約70%之一或多種與水不混溶之液體化合物；及(e)約1至約55%之具有分散性質之界面活性劑組份。本發明亦係關於一種控制節肢動物害蟲之方法，該方法包含：以水稀釋該懸浮濃縮組合物，視情況添加佐劑以形成經稀釋之組合物，且使節肢動物害蟲或其環境與有效量之該經稀釋之組合物接觸。
