The LC50 of Musca domestica to DDVP,deltamethrin,cypermethrin and permetrin were 0.783 7,0.101 4,0.205 8 and 0.167 6 mg/m3 respectively.

• 安阳市家蝇对DDVP、溴氰菊酯、氯氰菊酯、氯菊酯的LC50分别是0.；7837；