一、前言金龟甲(成虫称金龟子,幼虫叫蛴螬),是甘蔗的主要害虫之一。过去,广东湛江蔗区的蛴螬仅被发现在甘蔗萌芽期和分蘖始期为害幼苗。由于枯心苗率不高,不足以造成大的损失,所以一向未引起人们的注意。近年来,随着甘蔗种植面积的扩大,轮作年限相应缩短,以及广泛的植树造林为多 First, the preface Golden tortoiseshell (adult called beetles, larvae called 蛴 螬), is one of the main pests of sugar cane. In the past, the civens in the Zhanjiang sugarcane area in Guangdong were only found to be damaged in the early stages of sugarcane germination and tillering. Due to the low rate of dry-hearted seedlings, not enough to cause great losses, it has never attracted the attention of people. In recent years, with the expansion of sugarcane planting area, the crop rotation years have been correspondingly shortened, and extensive afforestation has been more