通过１９８９、１９９６年对草地螟吊飞和脂肪含量的研究表明：（１）草地螟是迁飞性害虫。与稻纵卷叶螟等三种水稻害虫相比较，其飞行能力较强且以３日龄蛾最甚；（２）草地螟飞行时消耗体内脂肪；（３）经测试脂肪含量证明，１９８７年内蒙古呼伦贝尔盟三个旗（县）峰期蛾不是由西部越冬基地四子王旗迁飞去的。 Through 1989, 1996 on the grasshopper fly and fat content of the study showed that: (1) meadow moth is a migratory pest. Compared with the three rice pests, such as rice leaf roller, its flight ability is strong and the 3-day-old moths are the most. (2) Body grasshopper consumes body fat while flying; (3) The tested fat content proves that in 1987 Inner Mongolia Hulun Buir League three flag (county) peak moths are not migrated to the West over the winter base Siziwangqi.