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松梢象鼻虫(Pissodes nitidus Roelofs)亦称黄星象(虫甲),属鞘翅目象鼻虫科。主要危害7—12年生的人工林幼树的当年和前一年的主干顶梢,造成树干顶梢枯死,第二年重萌分杈新梢,多次被害时即难以形成主干。危害侧枝不严重。以一个经营所的调查为例,在全部的红松和樟子松造林地进行的调查中得知:百分之四十的林分被害;被害率平均百分之五十;严重地块被害率达百分之六十六;顶梢死亡率占百分之五十;个别地块幼树百分之百被害。
Pissodes nitidus Roelofs also known as yellow icon (insect), Coleoptera is a weevil family. Mainly endanger the 7-12 year-old plantation young trees that year and the previous year’s trunk tops, resulting in dead top trunk twigs, the next year Meng Meng bifurcation shoots, multiple victims that is difficult to form the trunk. Harm the collateral is not serious. Take the survey of an operation as an example, we found in all surveys conducted on afforestation sites of Pinus koraiensis and Pinus sylvestris plantation that 40% of the forest was killed, the average victimization rate was 50%, and serious mass destruction Rate of 66%; top-fatality rate of 50%; individual plots of young trees were 100% victimized.