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荣县位于东经104°26’,北纬29°27’,海拔300至500米(平均384.1米),年平均气温为17.8℃,全年降雨量为1,018.4毫米,而以7、8月的降雨量最大,为494.4毫米,接近全年总降水量的50％,具有夏秋温暖多雨的特点,适宜稻苞虫的发生和繁殖。稻苞虫的发生时期通过十年来对稻苞虫的预测预报,基本摸清了稻苞虫在荣县地区的发生世代和各代的发生时期:第一代稻苞虫的成虫盛发高峰期在5
Rong County is located at 104 ° 26’E and latitude 29 ° 27 ’north, with an elevation of 300 to 500 meters (an average of 384.1 meters). The annual average temperature is 17.8 ℃. The annual rainfall is 1,018.4 mm, while the rainfall in July and August is the largest , 494.4 mm, which is close to 50% of the total annual precipitation. It has the characteristics of warm and rainy summer and autumn, and is suitable for the occurrence and propagation of rice insects. During the occurrence of rice shell insects, the occurrence and generation of rice shell insects in Rongxian area have been basically ascertained through the forecast and forecast of rice brady insects over the past 10 years: the peak of the first generation of rice bradye 5