洋麻钩翅蛾Cyclidia substigmaria(Hubner)属鳞翅目钩翅蛾科。1980年在安徽省岳西县进行森林病虫普查时,发现该虫严重为害八角枫Alangium chinense(Lour.)Harms,取食叶片,不少植株被吃光,不但影响了树势生长,连续为害能使全株枯死。为摸清它的生活习性,近两年来我们反复进行了室内外结合的饲养观察,并对其各虫态的构造进行了研究。 Cyclidia substigmaria (Jackner) is a genus Lepidoptera Hornoptera. In 1980, a survey of forest diseases and insect pests in Yuexi County, Anhui Province found that the insect seriously damaged the Alangium chinense (Lour.) Harms, feeding leaves, many plants were eaten, not only affected the growth of tree vigor, continuous damage Can make whole plant dead. In order to find out its living habits, in the past two years, we have repeatedly conducted indoor and outdoor feeding observation, and studied the structure of each insect state.