The green peach aphid Myzus persicae(Sulzer)and the turnip aphid Lipaphis erysimi(Kaltenbach)(Homoptera:Aphididae)are pests of cabbage and other cruciferae vegetables in most countries.

• 桃蚜Myzus persicae(Sulzer)和萝卜蚜Lipaphis erysimi(Kaltenbach)是世界上十字花科蔬菜和油菜等的重要害虫,同时也是传播植物病毒的主要介体。