1冬季清园清理烧毁当年被害植株的树头、树根，尤其是柑桔园改种龙眼园的柑桔树头和树根，清除烧毁可能存在的越冬幼虫，减少虫口密度。2树干涂白于3月底成虫羽化前用1：1：10的生石灰、硫磺粉和水配合煮涛的适量牛皮腔调制成粘稠状涂白剂，对地面上0．7m以下树干进行涂白处理 1 Qingyuan clean up the tree burned in the year when the plant was killed, the roots, especially citrus orchards to change the longan garden citrus tree roots and roots, remove burned may exist overwintering larvae, reducing population density. 2 Trunk Tu Bai before the end of March adult feathers before the emergence of 1: 1:10 with quicklime, sulfur powder and water with boiled Tao appropriate amount of cowhide cavity modulation viscous white agent, the trunk of the ground below 0.7m Tu white deal with