沙漠蝗在史前期就是北非、西亚和印度等热带荒漠地区的河谷与绿洲上的农业大害虫。我国云南和西藏自治区的聂拉木均有沙漠蝗的分布记载 ,虽尚未发生灾害 ,但是沙漠蝗猖獗发生的最大扩散区已达我国云南接壤的缅甸和西藏接壤的尼泊尔、印度。故我国的西藏自治区和云南省的有关边防及农业植物保护机构应予以高度重视并加强监测和预警 ,谨防沙漠蝗的发生危害 Desert locusts were prehistoric agricultural pests on valleys and oases in tropical desert regions of North Africa, West Asia and India. The distribution of desert locusts in both Yunnan and Tibet Autonomous Regions of China is documented by desert locusts. Although no disasters have yet taken place, the largest diffusion zone in which desert locusts rampant occurred reached to Nepal and India bordering Burma on the Yunnan border and Tibet. Therefore, the relevant border defense and agricultural plant protection agencies in the Tibet Autonomous Region of our country and Yunnan Province should attach great importance to and strengthen the monitoring and early warning of the occurrence of the desert locust