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杨扇舟蛾[Ceostera anachoreta Fabricius]在我地区不仅危害杨树,也危害龙须柳。1983年笔者观察到该虫正为害市区绿化树,由于开始没引起足够重视,致使1984年全区绿化树受到严重为害。现将两年中观察到的现象及采取的防治措施,介绍如下。
The genus Anosta Fabricius [Ceostera anachoreta Fabricius] not only endangers poplar trees in my area but also endangers it. In 1983, I observed that the pest is damaging urban greening trees. Since the beginning did not pay enough attention, the greening trees in the whole area were seriously harmed in 1984. The phenomena observed in the past two years and the prevention and treatment measures taken are as follows.