An aqueous suspoemulsion (SE) comprising:a dispersed oil phase of Component (a), comprising:(i) lambda-cyhalothrin as the first active ingredient；(ii) at least one solvent having lambda-cyhalothrin dissolved therein；a continuous water phase of Component (b), comprising:(i) imidacloprid as the second active ingredient； and(ii) water having imidacloprid suspended therein； andoptionally at least one additive is provided.A process for preparing an aqueous suspoemulsion comprising:Step 1: Preparing lambda-cyhalothrin EC phase by mixing the active ingredient with a suitable solvent；Step 2: Preparing a dispersion of imidacloprid in a continuous water phase by mixing the active ingredient, a dispersant and a required amount of water； andStep 3: Combining the EC phase in Step 1 with the water phase in Step 2.
