The insecticide which is selected from aberumekuchin and the photoprotection medicine being the composition which (A) is included, the said insecticide (A) average diameter of the particle is 0.1 - 100 millimicrons, the use where the quantity of the photoprotection medicine in the said composition the insecticide (A) does not exceed 20% of the total weight which adds the said medicine to the particle, in the composition, and agriculture.アベルメクチンおよび光防護剤から選択される殺虫剤(A)を含む組成物であって、該殺虫剤(A)粒子の平均直径は、0.1~100μmであり、該組成物中の光防護剤の量は、殺虫剤(A)粒子に該薬剤を加えた全重量の20%を超えない、組成物、ならびに、農業におけるその使用。