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荸荠是我县广为种植的经济作物，荸荠白禾螟是危害荸荠的主要害虫。一、发生规律及危害特点该虫主要以幼虫在枯死的荸荠茎秆中越冬。翌年４月上旬转移到看麦娘，野稗子上继续取食，５月上旬自生荸荠已出土，虫子就大部分转移到自生荸荠和栽培荸荠苗上。越冬代蛾子正常年景，一
Water chestnuts are widely planted in our county cash crops, water chestnuts Hemerocallis is the main pest endangering water chestnuts. First, the occurrence of the law and the characteristics of harm The insects mainly larvae in the withered water chestnut stems in winter. The following year in early April transferred to see Ma Niang, wild barnyard to continue feeding, early inception of water chestnuts has been unearthed in early May, most of the insects transferred to the self-infested water chestnuts and water chestnut seedlings. Overwintering moth normal years, one