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大蓑蛾Clania variegata Snellen又名棉避债蛾、大袋蛾、大背袋虫,属鳞翅目蓑蛾科(Psychidae),在彭泽棉区间断普遍发生,局部为害较重。为害多种树木,7—8月间迁往棉田,为害棉叶,取食上部叶片和嫩头,严重时可将嫩头和棉叶全部吃光,影响棉花生长,甚至造成棉株枯死。为了解其生物学特性和探索防治措施,现将调查观察结果简报如下。
Clania variegata Snellen also known as cotton shelter moth, big bag moth, large back bag insects, is a Lepidoptera moth family (Psychidae), in the Penzine area intermittently occur, the local damage heavier. Damage to a variety of trees, July-August moved to the cotton fields, damaging cotton leaves, feeding on the upper leaves and tender, severe head and cotton leaves can be completely eaten, affecting cotton growth, and even cause the cotton plants dead. In order to understand their biological characteristics and to explore prevention and treatment measures, the survey results are summarized as follows.