Many insects use crucifers as hosts . 许多昆虫以十字花科植物为寄主。
2.
The diamondback moth , with common names including small green worm , two - headed worm and " the hanging man " , is a pest often plagues crucifer crops across china 小菜蛾俗称小青虫、两头虫、 “吊死鬼”等，在全国各地普遍发生，是为害十字花科蔬菜的重要害虫。
