Polistinae

例句：

1. 1. Polistinae is a family of flowering plants with distinctive flowers.
   Polistinae 是一类具有独特花朵的开花植物。
2. 2.The Polistinae are found in tropical regions around the world.
   Polistinae 分布在全球热带地区。
3. 3. Polistinae play an important role in the ecosystem as they help pollinate other plants.
   Polistinae 在生态系统中起着重要作用，因为它们帮助其他植物授粉。