forest injurious insect

例句：

1. 1. The forest injurious insect is a major threat to the ecosystem.
   这种森林有害昆虫对生态系统构成了重大威胁。
2. 2. The forest injurious insect has been causing significant damage to the local flora and fauna.
   这种森林有害昆虫已经对当地的植物和动物造成了严重的损害。
3. 3. Protecting the forest injurious insect is crucial for maintaining biodiversity.
   保护森林有害昆虫对于维护生物多样性至关重要。