< Topic >When the insecticide composition is combined with the liquefied fertilizer, the physical deterioration which it occurs (separation of phase) offer of the insecticide composition which is not.Solutionsa) piresuroido b) hydration the aluminum - magnesium silicate which is done The insecticide composition which at least includes one which and c) it does and yo sugar ester, rigunosuruhoneto and the alkyl poly- glycoside, is chosen from the naphthalene sulfonic acid formaldehyde condensate and the group which consists of hosuhuetoesuteru dispersant. At least one of the anti-freeze agent, the antifoamer and the biocide furthermore is included due to desire.< Selective figure >It is not【課題】殺虫剤組成物が液状肥料と組み合わされたとき生ずる物理的な劣化(相の分離)がない殺虫剤組成物の提供。【解決手段】a)ピレスロイド;b)水和されたアルミニウム-マグネシウムシリケート;およびc)しょ糖エステル、リグノスルホネート、アルキルポリグリコシド、ナフタレンスルホン酸ホルムアルデヒド縮合物およびホスフェートエステルからなる群から選ばれる少なくとも1つの分散剤を含む殺虫剤組成物。所望により不凍剤、消泡剤および殺生物剤の少なくとも1つをさらに含む。【選択図】なし