近年来,由于棉花药剂拌种面积缩小,大灰象甲成虫对棉苗危害加重。据1991—1994年间,在广平、邯郸、馆陶、肥乡等县棉田的调查,地膜棉及一般春棉均有不同程度危害,部分地块棉苗被害率高达100％,断头率达33.3％。为解决棉花生产中存在的这一问题,我们就大灰象甲成虫的生活习 In recent years, due to shrinking cotton seed dressing area, the large gray as adults harm cotton seedlings worse. According to the survey of cotton fields in Guangping, Handan, Guantao, Feixiang and other counties from 1991 to 1994, cotton mulching and general spring cotton all had different degrees of harm. The rate of cotton seedling damage in some plots was as high as 100% 33.3%. In order to solve this problem in the cotton production, we live a life-like habitat