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桔绿天牛是为害柑桔枝条的重要害虫。6月上旬开始羽化,6月下旬为产卵盛期。卵多产于一年生枝条,7月上旬孵化,幼虫为害顺序为小枝→侧枝→大侧枝→副主枝→主枝,在枝条内出上往下进蛀,每隔一定距离开一小圆孔(直径1—3毫米)排粪,蛀食速度很快,蛀道长的可达一米以上。 为了消灭它,我们采用虫孔注射法,对六年生温州蜜柑处理了16株受害树,效果均达100％。具体作法: 1.先找到受害枝上的最下一个孔(一般新鲜虫粪
Citrus aurantiacum is an important pest of citrus branches. Feather begins in early June and spawns in late June. Eggs prolific in annual branches, hatch in early July, larvae damage order of branchlets → side branches → large side branches → main branch → main branch, in the branches out into the moth, at intervals to open a small hole ( Diameter 1-3 mm) defecation, fast feeding, long tunnel up to one meter or more. In order to eliminate it, we use wormhole injection method, the six-year-old mandarin orange treated 16 trees, the effect of up to 100%. Specific practices: 1. First find the victim’s branch on the next hole (usually fresh pest dung