cotton boll weevil

Gossypol, which is produced by gland cells in the leaves of cotton, is an attractant to the boll weevil.

棉叶腺胞分泌的棉酚对棉铃象鼻虫是一种引诱剂。

It's called the boll weevil because it destroys the cotton boll, the seed pod that contains the cotton.

之所以会被称为棉子象鼻虫，是因为这种昆虫会毁坏棉花球，以及含有棉花的种子荚。

Boll weevil : grayish weevil that lays its eggs in cotton bolls destroying the cotton.

略带灰色的象鼻虫,在棉铃上产卵以破坏棉花.

But in the early years of the century, the boll weevil began devastating the cotton farms in the south.

然而在上世纪初期，棉铃象甲开始侵嗜美国南部的棉花农场。

Farm demonstration work in the South helped to fight the cotton boll weevil.

南部农场示范工作大大帮助了对棉花象鼻虫的防治.