paragaster

例句：

1. 1. Paragaster xylophora is a common species of parasitoids found in the forest canopy.
   Paragaster xylophora是一种常见的寄生蜂，常见于森林上层。
2. 2. The parasitoids were able to control the populations of their hosts by laying eggs inside them.
   这些寄生蜂能够通过在其宿主体内产卵来控制它们的种群数量。
3. 3.Paragaster xylophora has been used as a biological control agent against pests in agriculture.
   Paragaster xylophora已被用作农业中对付害虫的生物控制剂。