近年来,随着种植业结构调整步伐的加快,莲藕、芋、蔬菜等特种经济作物的种植面积不断扩大,加之大豆、花生等作物仍有较大的种植面积,斜纹夜蛾发生与危害日益猖獗,发生面积不断扩大,局部地方已由次要害虫上升为主要害虫。除危害莲藕、芋、魔芋外,还大量危害甘蓝、萝卜、白菜等十 In recent years, along with the quickening pace of structural adjustment in planting industry, the planting area of ​​special economic crops such as lotus root, taro and vegetables has been continuously expanded. In addition, the crops such as soybean and peanut still have larger planting areas, and the occurrence and harm of Spodoptera litura are more and more rampant , The area of ​​occurrence has been continuously expanded, and some of the local pests have risen from major pests to major pests. In addition to endanger the lotus root, taro, konjac, but also a large number of endanger cabbage, radish, cabbage and other ten