The results showed that the toxicities of insecticides in male adults were 4.63,2.41,3.11 and 1.73 times higher than in female adults respectively.

• 结果表明，高效氯氟氰菊酯、甲基嘧啶磷、虫螨腈和灭多威对雄性家蝇的毒力分别是雌性家蝇毒力的4.；63、2