大扁头蟋Loxoblemmus donitzi Stein属直翅目,蟋蟀科.近两年来,此虫在菏泽地区发生为害有加重趋势.我们于1985—1986年进行了室外饲养和田间调查.现将初步结果报道如下一、发生与为害近几年来,由于六六六、滴滴涕等有机氯杀虫剂停止使用,大田喷粉面积相应减少,因此,对蟋 Laxoblemmus donitzi Stein is a genus of Orthoptera and Cricket .In the past two years, the pest has become more and more harmful in Heze area.We conducted outdoor rearing and field surveys from 1985 to 1986, and the preliminary results are reported as follows First, the occurrence and damage In recent years, due to BHC, DDT and other organochlorine pesticides to stop using, the corresponding reduction in field spray area, so the crickets