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甜菜夜蛾Laphygma exigua(Hubner)属鳞翅目夜蛾科,是一种间歇性暴发害虫,在浙南地区主要为害甘兰、花椰菜、白菜等蔬菜。一般在7—9月高温干旱季节为害成灾。1991年我市大面
Laphygma exigua (Hubner) belongs to the family Lepidoptera, an intermittent outbreak of pests. In southern Zhejiang, Laphygma exigua is mainly responsible for vegetables such as cabbage, cauliflower and cabbage. Generally in July-September hot and dry season disaster. In 1991, our city is large