桔星天牛、褐天牛是我场桔园的主要害虫。从1972年至今,我场陆续栽种柑桔300亩,由于以前对天牛为害的严重性认识不足,防治措施不得力,6043株结果树中,天牛为害率达50％,每年被天牛危害而死亡的桔树达0.5％,由天牛危害引起减产造成的经济损失每年都在万元以上。 Orange Star, brown sky is my field orange garden’s main pests. Since 1972, we planted 300 mu of citrus in succession. Due to the lack of understanding of the seriousness of the damage caused by the beetles, the control measures were not effective. Among the 6043 trees, the damage rate of the beetles was 50% And the death of orange trees up to 0.5%, caused by the loss of Celastrus harm economic losses caused by more than ten thousand yuan each year.