These regions had the largest distribution of host plants, such as Rhododendron spp., Quercus spp., Lithocarpus spp. and so on.It is imperative to prevent the disease from invasion to the regions.

• 这些区域正是我国杜鹃花属、栎属和石栎属等重要寄主的主要分布地区，提前预防该病害入侵是非常必要的。