The order of the toxicity to chinese chive maggot were as followings: 4.5% bata-cypermethrin EC>40% etho-prophos EC>40% phoxim EC> 48% chlorpyrifos EC>2.5% spinosad SC>20% tianchu EC>0.5% matrine AS.

• 对韭蛆的毒力顺序(药后24 h):4.；5%25高效氯氰菊酯EC>40%25灭线磷EC>40%25辛硫磷EC>48%25乐斯本EC>2