根据去秋今春残蝗面积、蝗卵密度及其发育进度调查结果,结合蝗区气象条件和生态环境等因素综合分析,全国农业技术推广服务中心预计2017年东亚飞蝗夏蝗总体偏轻发生,局部地区有出现高密度蝗蝻点片的可能。预计夏蝗在环渤海湾蝗区中等发生,华北湖库和沿黄滩区大部 Based on the survey results of Mosquitoes locust area, locust egg density and their developmental progress to autumn and spring, combined with the meteorological conditions and ecological environment in the locust area, the National Agricultural Technology Extension Service Center predicts that locust locusts will generally be light in 2017, In some areas there may be spots of high-density locusts may be. Summer locust is expected to occur in Central Bohai Bay locust area, most of North China Lake Reservoir and along the Yellow Sea area