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中华稻蝗 Oxya chinensis Thunberg 从若虫期开始向农田扩散转移,以获取种群生存发展所需更好的食料和空间。待到性成熟卵粒成熟之前,又举行群飞扩散,以寻找适宜的产卵场所。在具有类似天气条件的广大地区几乎具有同期行动的特征。一、1988、1989年的观察纪实本县在历年灯光诱测中,每年总有一二个晚上稻蝗突增。1988年8月17～18日,1989年8月27日及30日,赣榆和江苏各地几乎在同时出现了3次中华稻蝗的大规模飞翔扩散活
Oxya chinensis Thunberg begins to spread to farmland from the nymphal stage to obtain better food and space for the survival and development of the population. Until the maturity of sexual maturity before the eggs, but also held a group of proliferation, in order to find a suitable place to lay eggs. In vast areas with similar weather conditions, there are almost the same characteristics of simultaneous actions. First, the observations in 1988 and 1989 The county in the light of the calendar year, a total of one or two night rice locust sudden surge. From August 17 to 18, 1988, on August 27 and August 30, 1989, almost three large-scale flight and diffusion activities of Oxya chinensis were found in Ganyu and Jiangsu provinces