粟灰螟是为害谷子的大敌。谷子一经为害,往往造成大量枯心、白穗和断稈,防治不及时,能严重影响产量。昌邑县饮马农业技术推广站为寻找防治适期,对其生活规律进行了一年的田间观察。粟灰螟越冬幼虫自5月下旬化蛹,6月初发现成虫,6月7号出现枯心苗;7月4号始见第一代蛹,幼虫能生活28天;7月8号始见第二次枯心,7月12号到达高峯;至7 Corn borer is the enemy of harmful millet. Millet damage, often cause a lot of dry heart, white spike and broken stalk, prevention and treatment is not timely, can seriously affect the yield. Changyi County Yinma agricultural extension station in order to find the appropriate period of prevention and control of their living patterns for a year field observations. The overwintering larvae of the rice borer pupate from late May pupation early adults found in June, June 7 appear dead heart seedlings; July 4 saw the first generation of pupae, the larvae can live 28 days; July 8, see the first Twice a second, reaching the peak on July 12; to 7