受害后叶鞘愈合成葱管状(俗称标葱)而不能成穗，导致减产甚至颗粒无收。据农业部植保总站1994年的不完全统计，该虫在我国的发生面积约98万公顷，损失稻谷达10多亿千克。1952年我省仅赣南14个县的被害面积就达2.33万公顷，1992年起成为中晚稻的主要害虫之一，北纬28度以南已大 Injured leaf sheath healing into onion tubular (commonly known as onion) and can not become spikes, resulting in reduced production and even crop failure. According to the incomplete statistics of the Plant Protection Station of the Ministry of Agriculture in 1994, the pest occurred in China with an area of ​​about 980,000 hectares and a loss of over 1 billion kilograms of rice. In 1952, only 14 counties in southern Jiangxi Province, the victims of the area reached 23,300 hectares, since 1992 to become one of the major pests in late rice, latitude 28 degrees south latitude has been large