英语语法分析

The scale insect Paracerostegia kunmingensis Tang et Xie is an important pest that harms the deconative plants Pittosporum tobira.

昆明虎耳草的介壳虫是一种害虫，危害了拟南芥海桐花。

The scale insect Paracerostegia kunmingensis Tang et Xie is an important pest which harms the deconative plants Pittosporum tobira(Thunb.

昆明龟蜡蚧是危害海桐和光叶海桐的重要害虫。