The conifer sawflies are important defoliators in Yunnan Province.
松叶蜂是云南省的重要食叶性害虫。
The conifer sawflies are economically important defoliators in the forest in Yunnan Province.
松叶蜂是云南省森林的重要害虫。
The conifer sawflies are economically important defoliators in the forest in Yunnan Province.
松叶蜂是云南省森林的重要害虫。
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