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红树林是保护海岸的重要生物资源.近年来,广西山口红树林保护区管理水平持续提升,红树林生态环境得到良好保护,为各种生物生存繁衍提供了场所和食物来源.为反映保护区的生物资源现状,提供区域内生态环境质量的信息,对山口红树林保护区内昆虫资源进行采集和调查.共获得451种昆虫,分属14个目109个科,重要的危害类群与天敌昆虫均有发现,昆虫种类显著多于以往历次调查的结果.表明山口红树林保护区昆虫物种水平具有较高的多样性,反映出本区域生态环境的多样化与稳定性.“,”Mangrove can protect coastline naturally，and it could provide food and habitat to animals including insects. Since 1990 while Shankou National Reserve of Mangrove was admitted，great efforts were made to improve environment quality. Insect survey can reflect environment change and quality. The insect survey in these area in 2018 collect 451 species，which belongs to 14 orders and 109 families. The species of insect survey is significantly more than those work before. And it gives an index to an agreeable environment in the mangrove reserve.