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双条杉天牛(Semanotus bifasciatus N.)属鞘翅目天牛科,是柏树的一种主要蛀干害虫,国外分布朝鲜、日本,国内从华北、华中直至华南等地。双条杉天牛危害的主要柏树有侧柏P1atvclatu s oγientalis(L.)Franco和桧柏Juniperus chinensis L两种,这两个树种由于适应性强,四季常青,树龄长,自古以来常用作庙宇、古建筑和城市园林绿化的珍贵树种,被称为活文物的古柏。最近我们调查了北京部分古柏的受害情况,严重者达30.77%,较为轻的也达15.46%,同时发现双条杉
Semanotus bifasciatus N. is a species of Coleoptera that is a major pest of Cypress. It is distributed in North Korea and Japan abroad and from North China to Central China until South China. The main cedar trees harmed by the Cunninghamia lanceolata include two species, P1atvclatu s oγientalis (L.) Franco and Juniperus chinensis L. These two species are commonly used as temples since ancient times because of their adaptability, evergreen age and long age. , Ancient buildings and urban landscaping precious tree species, known as living artifacts Cooper. Recently, we investigated the victimization situation of some Copernicus in Beijing, with 30.77% of them being serious and 15.46% of the more light ones. Meanwhile, we found that double-cedar