Disclosed is an insecticidal composition comprising by weight based on the total weight of the composition:(a) from about 9 to about 91% of one or more anthranilic diamide insecticides and(b) from about 9 to about 91% of an acrylate/methacrylate-based star copolymer component having a water solubility of at least about 5% by weight at 20° C., a hydrophilic-lipophilic balance value of at least about 3, and an average molecular weight ranging from about 1,500 to about 150,000 daltonswherein the ratio of component (b) to component (a) is about 1:10 to about 10:1 by weight.Also disclosed is a geotropic propagule coated with the insecticidal composition. Further disclosed is a liquid composition comprising the insecticidal composition, and a method for protecting a geotropic propagule and plant derived therefrom from a phytophagous insect pest.
