Provided are an agricultural and horticultural insecticide composition comprising flubendiamide and dichlorvos and/or profenofos as active ingredients and a method for using an agricultural and horticultural insecticide composition, comprising treating insect pests directly, treating crops potentially infested with the insect pests, or treating surrounding soil or cultivation medium of the crops with an effective amount of an agricultural and horticultural insecticide composition comprising flubendiamide and dichlorvos and/or profenofos as active ingredients.
