黏虫Mythimna separate(Walker)是重要的农业迁飞害虫,1966—1970年在江淮小麦上频繁特大发生,稻田绿肥兼春季蜜源植物紫云英的面积激增和分布扩展是关键因子[1]。20世纪80年代尤其是90年代以来在江淮1代发生区为害减轻,东北、华北、黄淮、西北和西南等2、3代发生区发生加重[2]。2012年夏、秋季黏虫在东北、华北地区罕见暴发、为害严重[3],但该虫暴发的完整内在机制仍然不清楚。河南省作为黏虫迁飞南来北往的主要中转地之一,其境内黏虫的发生与东亚迁飞场内该虫的“神出鬼 Mythimna separate (Walker) is an important migratory insect pest in agriculture. It occurred frequently on the Jianghuai wheat from 1966 to 1970, and the area increase and distribution of green manure and spring millet in the spring were the key factors [1]. In the 1980s, especially since the 90s, the damage occurred in the area where the 1st generation of the Yangtze River and Huaihe River occurred. The occurrences of the 2nd and 3rd generation occurred in Northeast, North China, Huanghuai, Northwest and Southwest China. In the summer of 2012 and autumn, sticky insects were rare outbreaks in the northeast and north China, causing serious damage [3]. However, the complete internal mechanism of the insects outbreak is still unclear. As one of the major transit sites for sticky worms to migrate south to south, Henan Province has its own occurrence of ”