苧麻金龟子的幼虫(蛴螬)是苧麻上的主要害虫之一,常见的有铜绿金龟子和大黑金龟子。笔者1986年8月挖兜调查,发现一兜麻内有54条蛴螬危害。因此,选了近年来报道对蛴螬有效的几种杀虫颗粒剂作了防效比较试验,兹将结果整理如下。 The larvae of ramie beetle (razor clam) are one of the major pests on ramie, common with chalky beetles and large black beetles. In August 1986, the author dug pocket investigation and found that there were 54 pieces of 蛴 螬 in a hemp. Therefore, the election in recent years reported that several effective pesticides on the control effect of insecticide made a comparative test, the results will be organized as follows.