Sidemia depravata (Butler) occurs 4-5 generations every year in Shanghai area, the generations overlap and the old larvae and pupae are in the earth through the winter.

• 淡剑夜蛾[Sidemia depravata(Butler)]在上海地区年发生4-5代,世代重叠,以老熟幼虫和蛹在土中越冬;