Disclosed is an insecticidal suspension concentrate composition comprising by weight based on the total weight of the composition: (a) from about 0.3 to about 30% of 3-bromo-1-(3-chloro-2-pyridinyl)-N-[4-cyano-2-methyl-6-[(methylamino)carbonyl]phenyl]-1H-pyrazole-5-carboxamide； (b) from about 5 to about 70% of a nonionic ethylene oxide-propylene oxide block copolymer component having a water solubility of at least about 5% by weight at 20℃ , a hydrophilic-lipophilic balance value ranging from about 5 to about 18 and an average molecular weight ranging from about 900 to about 20000 daltons； and (c) from about 20 to about 95% of water. Also disclosed is a method for controlling an insect pest comprising diluting said suspension concentrate composition with water to form a diluted composition, and contacting the insect pest or its environment with an insecticidally effective amount of said diluted composition.本發明揭露一殺蟲懸浮濃縮物組合物，包含根據本組合物總重量按重量計算之：(a)自約0.3%至約30%之3-溴-1-(3-氯-2-吡啶基)-N-[4-氰基-2-甲基-6-[(甲胺基)羰基]苯基]-1H-吡唑-5-甲醯胺；(b)自約5%至約70%之一於20℃下具有至少約5重量%之水溶性之非離子性環氧乙烷-環氧丙烷嵌段聚合物，親水性-親油性均衡值自約5至約18且平均分子量自約900道耳頓至約20000道耳頓；及(c)自約20%至約95%之水。本發明亦揭露一控制一昆蟲害蟲之方法，包含以水稀釋該懸浮濃縮物組合物以形成稀釋組合物，並使該昆蟲害蟲或其環境與一有效殺蟲量之該稀釋組合物接觸。
