莱粉蝶［Pierisrapae山nnaeus）］，属鳞翅目，粉蝶科。幼虫称菜青虫，是菜区的主要害虫。喜食十字花科蔬菜，尤以甘蓝、花椰菜受害最重，对春甘蓝的危害率达100％，危害盛期百株虫量高达1500－1900头，产量损失25％，大大降低产品品质和食用价值。现将该虫的发生规律和防... Pieris rapae [Pierisrapae nnaeus]), is a Lepidoptera, Pieridae. Larvae said cabbage caterpillar, is the main pest of the vegetable area. Love cruciferous vegetables, especially cabbage, cauliflower most affected, the rate of damage to spring cabbage 100%, endangering the amount of one hundred insect as high as 1500-1900 head, yield loss of 25%, greatly reducing product quality and consumption value. Now the incidence of the pest and prevent ...