甘蔗黑色金龟甲谷称蔗龟，是化州市甘蔗的主要地下害虫，为害水稻在本地从未发现过。2000年4月水稻本田发生了蔗龟成虫严重为害水稻。据4月20～25日调查，每667m2一般有成虫3100～5400头，严重田块超过1万头；一般为害丛率15％～25％，高的达91.3％，田间可见大片禾苗被咬断枯 Sugar cane black turtle shell called sugar cane turtle, is the main underground caterpillar of Huazhou, damage to rice has never been found in the local. In April 2000, a serious damage to rice plants occurred in rice Honda adults. According to the April 20-25 survey, there are 3100 ~ 5400 adult adults per 667m2 and over 10,000 in serious fields. The rate of common damage is 15% -25% and 91.3%, and the large seedlings are seized in the field Withered