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一、为害情况柳瘿蚊(Rhabdopbaga sp.)是旱柳的主要害虫,严重危害枝杆的形成层引起组织增生,幼虫蛀成纵横交错的小隧道和虫室,每年春夏蛀孔蜂窝密布,年复一年形成瘿瘤,大的1×0.4厘米,小的0.5×0.3厘米。较大的瘿瘤导致茎梢干枯,植株死亡。我县的柳树约有80—85%遭其危害。据在我社不完全调查,20个大队251个生产队75000株柳树。被害的有60000株,被害率达80%。主要为害柳树,以旱柳为甚,龙须柳、垂柳次之,大叶柳未见发生。
First, the damage situation Willow 瘿 mosquito (Rhabdopbaga sp.) Is the main pest of willow, severely endanger the formation of layers of the branches cause tissue proliferation, larvae eaten into criss-crossing small tunnels and worms, annual bore hole honeycomb in spring and summer, Year after year to form a gall tumor, a large 1 × 0.4 cm, a small 0.5 × 0.3 cm. Larger nodules lead to dry stems, plant death. About 80-85% of the willow trees in our county were endangered. According to our incomplete survey, 251 production teams of 20 brigades willow willow. There are 60,000 victims of the murder rate of 80%. The main damage to willow, even to the willow, asparagus, weeping willow second, big willow did not happen.