In vitro inhibition and toxicokinetic action of three insecticides on esterases in Tetranychus cinnabarinus (Boisduval) were assayed.

• 测定了3种杀虫剂乐斯本、甲氰菊酯、敌敌畏及其两两组合对朱砂叶螨离体酯酶的抑制作用。