我场地处苏北沿海盐垦区,栽培单季中稻。褐稻虱Nilaparvate lugens Stal是我场水稻主要害虫,近年来,大发生频率高,对水稻稳产高产威胁极大。因此,探索其发生规律,并及早作出较为准确的预报,为防治工作争取主动,很有必要。 My field is located in northern coastal salt reclamation area, cultivation of single-season rice. Nilaparvate lugens Stal is a major rice pest in our field. In recent years, it has a high frequency of occurrence and threatens rice with high and stable yield. Therefore, it is necessary to explore the law of its occurrence, make early and accurate forecasts and fight for prevention and control.