金龟子是甘蔗重要的地下害虫,在我国各甘蔗种植省(区)均有发生。据统计,我国为害甘蔗的金龟子约60种(龚恒亮和安玉兴,2010),广西有39种(龙秀珍等,2015)。近年来,金龟子在广西部分蔗区严重发生,对甘蔗的产量和糖分造成较大损失(商显坤等,2014;2016)。目前我国关于甘蔗金龟子种群发生动态的研究较少,对其预测预报的研究也鲜见报道。本研究利用灯光诱集技术,于2012—2014年在广西北海蔗区调查灯下金龟子的发生种类并监测 The chafer is an important underground pest of sugarcane, which has occurred in all sugarcane planting provinces (regions) in our country. According to statistics, there are about 60 species of chafers that damage sugarcane in China (Gong Hengliang and An Yu Xing, 2010) and Guangxi (39) (Long Xiuzhen et al., 2015). In recent years, the chafer has been severely affected in some sugarcane areas in Guangxi, causing a great loss of sugar cane production and yield (Shang Xiankun et al., 2014; 2016). At present, there are few researches on the occurrence of sugarcane beetle populations in our country, and few reports on its prediction and forecasting. In this study, light-harvesting technology was used to investigate the occurrence and monitoring of chafer in the Beihai sugarcane area of ​​Guangxi during 2012-2014