摘要
Beet armyworm is widely distributed throughout the world,it can cause damage on many kinds of crops. Differences of morphological characteristics among beet armyworm,cabbage butterfly,cotton bollworm,cabbage armyworm and Prodenia litura（Fabricius）are compared,occurrence regulation,living habits,damage characteristics and control methods of beet armyworm are introduced.
Beet armyworm is widely distributed throughout the world,it can cause damage on many kinds of crops. Differences of morphological characteristics among beet armyworm,cabbage butterfly,cotton bollworm,cabbage armyworm and Prodenia litura（Fabricius）are compared,occurrence regulation,living habits,damage characteristics and control methods of beet armyworm are introduced.
