cowpea weevil

例句：

1. 1. Thecowpea weevil is amajor pest in the region.
   菜豆象是该地区的主要害虫。
2. 2. Thefarmers are trying to controlthe cowpea weevil population.
   农民们正在试图控制菜豆象的种群数量。
3. 3. Thecowpea weevil has beencausing significant damage to the crops.
   菜豆象已经对农作物造成了严重的损害。