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褐点粉灯蛾(Alphaea phasma)又名粉白灯蛾,分布在我国华中及西南一带,以湖南、四川、贵州、云南较多。其幼虫杂食性,危害甚广,对不少粮食作物、经济林木、药用植物、果树、蔬菜、观赏植物等都有危害,而主要危害桃、梓树、女贞等。在西南地区每年发生1代,以蛹越冬,翌年5月上旬开始羽化产卵,6月上中旬孵化。幼虫7龄,10月下旬才吐丝结茧,危害期较长。 1983年我们在云南省安宁县温泉一带发现自然罹病死亡的褐点粉灯蛾幼虫,经分离提取病原物后进行室内人工感染低龄幼虫,
Brown spot pink moth (Alphaea phasma), also known as pink moth, distributed in central China and southwest China, Hunan, Sichuan, Guizhou, Yunnan more. Its larvae omnivore, endangering a wide range of food crops, economic trees, medicinal plants, fruit trees, vegetables, ornamental plants and so on are all harmful, but the main hazards of peach, Catalpa, privet and so on. Occurred in the southwest of the 1st generation per year, the pupal wintering, early May the following year began to feather spawning, hatch in mid-June. 7th instar larvae, only late October silkworm cocoon, a longer period of harm. In 1983, we found natural brown spot moth larvae in the hot spring area of Anning County, Yunnan Province. After the pathogens were isolated and extracted, artificial infection of young larvae in the laboratory was conducted.