进入五月下旬,云南全省陆续进入雨季,高温高湿的天气对稻飞虱的发生危害极为有利。在思茅、红河局部地区已造成严重发生态势,稻飞虱发生将进入危害高峰期,虫口密度加大,发生范围扩大,发生程度加重,望各地密切注意虫情发展,做好防治准备。到5月下旬,思茅市稻飞虱发生7.9万亩,防 Into the end of May, Yunnan Province, one after another into the rainy season, high temperature and humidity weather on the occurrence of planthopper is extremely beneficial. In Simao and Honghe areas, a serious situation has taken place. The occurrence of planthoppers will enter the peak of danger, the density of insect pests will increase, the scope of occurrence will increase, and the occurrence will intensify. We hope that all localities will pay close attention to the development of pests and make preparation for prevention and treatment. By late May, Simao Planthopper occurred 7.9 million mu, prevention