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朱红毛斑蛾(榕树斑蛾)(Phaudaflammans Walker)在广东省的广州、陆丰等10余个县(市)均有发生,主要为害榕树。于1983年和1984年的10月间,我们在广州市郊广东省林科所林内均观察到朱红毛斑蛾的为害情况,这虫尤其喜欢取吃大叶榕和小叶榕的叶子,严重时将整株树叶吃光,在发生期间,我们采集到不少染病死虫(图一、二),病虫背面变黑,腹部及两侧呈深红带黄的颜色,组织液化,经镜检发现有大量的多角体。据统计,自然界病毒染病率达60%。在室内重新接种健康幼虫,其病虫的症状及病毒多角体与上述相同。
Phaudaflammans Walker occurs in more than 10 counties (cities) such as Guangzhou and Lufeng in Guangdong Province, mainly for the banyan tree. In 1983 and 1984 in October, we observed in the forest in Guangdong Province, Linfen, Guangdong Province, moth damage situation, the worm especially like to take the leaves of large fig leaf and fig leaf, in severe cases will be the whole During the period of occurrence, we collected a lot of infected dead insects (Figure 1 and 2). The backs of pests and worms turned black. The abdomen and the sides showed a dark red yellowish color. The tissues were liquefied and found by microscopic examination A lot of polyhedra. According to statistics, the rate of virus infection in nature reaches 60%. Re-vaccination of healthy larvae indoors, the pest and disease symptoms and virus polyhedra the same as above.