harlequin cabbage bug

例句：

1. 1.This is the first time I've seen a harlequin cabbage bug in my garden.
   这是我第一次在我的花园里看到哈勒昆白菜虫。
2. 2.The harlequin cabbage bug was causing quite a stir in the community.
   哈勒昆白菜虫在社区引起了相当大的轰动。
3. 3.The harlequin cabbage bug is a common pest in many vegetable gardens.
   哈勒昆白菜虫是许多蔬菜园中常见的害虫。