To improve the controlling effects of anthranilamide compounds against pests.A pesticidal composition comprising, as active ingredients, an anthranilamide compound or its salt, and a polyoxyalkylene phosphoric acid ester surfactant, and a method for controlling a pest by using such a composition, are provided. Further, a method for improving the pesticidal effects of an anthranilamide compound or its salt, as an active ingredient, by means of a polyoxyalkylene phosphoric acid ester surfactant, is provided.為了改善鄰胺基苯甲醯胺化合物對抗害蟲之防治效果,本發明提出一種殺蟲性組成物,其包含作為活性成份之鄰胺基苯甲醯胺化合物或其鹽,及聚氧伸烷磷酸酯界面活性劑,及一種藉由使用該種組成物來防治害蟲之方法。此外,提出一種改善作為活性成份之鄰胺基苯甲醯胺化合物或其鹽的殺蟲效果的方法,其係藉由聚氧伸烷磷酸酯界面活性劑來加以改善。
