一种新发生的对罗汉松造成严重危害的害虫在深圳大鹏地区被发现,经研究确认该虫为橙带蓝尺蛾(Milionia basalis Walker),该虫在日本、中国台湾严重危害罗汉松,近年来在广西、广东等地均有为害报道。鉴于其对寄主植物造成的严重危害,本文对其检疫鉴定特征进行详细描述,并提出防控建议,为应对其检疫鉴定及传播危害提供理论基础。 A newly developed pest causing serious damage to Podocarpaceus was found in Dapeng, Shenzhen. The study confirmed that the pest is the Milionia basalis Walker, which seriously damages Podocarpus in Japan and Taiwan, China. In recent years in Guangxi, Guangdong and other places have reported harm. In view of its serious harm to the host plant, this paper describes its quarantine and identification features in detail, and puts forward prevention and control suggestions to provide the theoretical basis for its quarantine and identification and dissemination of hazards.