菱角萤叶甲(GalerucellabirmanicaJacoby)属鞘翅目,叶甲科,主要为害水生蔬菜菱角及莼菜。以成虫和幼虫啃食菱叶,造成孔洞,重者叶肉食尽,全塘一片焦黄。近年来江淮地区菱角萤叶甲有逐年加重趋势。2001年6月下旬一般被害株率30%～65%,严重塘口减产40%以上。根据近年系统调查和田 GalerucellabirmanicaJacoby is a Coleoptera, Chrysomelidae, the main damage to aquatic vegetables, water chestnuts and water spinach. To adults and larvae eating grafted leaves, resulting in holes, severe cases of leaf meat, the whole pond a yellow. In recent years, the Yangtze River and Huanghua Diaobolometa has increased year by year trend. In late June 2001 the average victim plant rate of 30% to 65%, severe pond mouth cut more than 40%. According to recent years systematic investigation Wada