Six kinds of important or dangerous pests of colored arbors were introduced, and the main pests in these plants in the imported nursery bases in Shanghai were studied with their occurrence.

• 摘要介绍了色叶乔木6种重要或危险性有害生物。栎树突死病和栎树枯死病是欧美、日本等国家的重要栋树病害，已造成大面积植物死亡，是极其严重的危险性病害；