脊胸天牛是海南岛芒果树的重要害虫,它广泛分布于全岛各芒果种植区。幼虫蛀害枝干使其中空,致使植株生势减弱、枝条干枯甚至整株死亡。据1988年调查,全岛已有25个果园被其摧毁。脊胸天牛在海南岛那大地区一年发生1代,跨年完成。用沾满20%速灭杀丁药液的小棉花球堵塞枝干下方三个洞孔和及早剪除被害枝条等方法,可防治此虫。 Spine chest beetle is an important pest of mango tree in Hainan Island, which is widely distributed in mango-growing areas all over the island. The larvae make it hollow by decaying branches, causing the plants to become weaker and the branches wither or even die. According to the 1988 survey, 25 orchards across the island have been destroyed by them. Spine chest horns in that area of ​​Hainan Island occurred a year, completed over New Year’s Eve. Use a small cotton ball covered with a 20% speed kill kill solution to block the three holes below the stem and cut off the victim branches early.