Plecoptera

例句：

1. 1.The plecoptera is a type of insect that feeds on small animals.
   蜻蜓目是一种以小型动物为食的昆虫。
2. 2. Plecoptera play an important role in pollination.
   蜻蜓目在传粉中起着重要作用。
3. 3.The plecoptera are found throughout the world, from tropical rainforests to deserts.
   蜻蜓目遍布全球，从热带雨林到沙漠都有分布。