草地螟又名黄绿条螟、甜菜网螟,在黑龙江省主要分布于松花江、黑龙江、嫩江、乌苏里江等江河流域。1生活习性及为害特点该虫在吉林省每年发生1～2代,于当年秋季以老熟幼虫在土中结茧越冬,翌年化蛹羽化为越冬代成虫,一般在5月中下旬出现,6月上中旬盛发。6月下旬至7月上旬是1代幼虫严重为害期,幼虫期20 Grasshopper, also known as yellow striped borer, beetle borer, mainly distributed in Heilongjiang Province Songhua River, Heilongjiang, Nenjiang, Wusuli River and other river basins. 1 Habits and Harmful Characteristics The pest occurs in Jilin Province from January to February each year. In the fall of the year, mature larvae cocooned in the soil overwintering. In the following year, pupae emerged as overwintering adults, which usually occurred in mid-to-late May. 6 Mid-month Shengfa. From late June to early July is a serious damage to the first generation larvae, larvae 20