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雪松[Cedrus deodara (Roxb.)G.Don]树姿雄伟,在我国广泛栽培。马尾松毛虫(Dendrolimus punctatus Walker)为害马尾松、湿地松,国内报道甚多,但为害雪松尚属首次。 该虫在仪征市铜山林场华家岗苗圃雪松上于1989年6月28日开始发生为害,7月中旬已在10多亩大部分针叶被食光,7月底扩散面积达80多亩,平均每株有虫600多头,最少亦有300～400头。受害雪松似火烧一样,危害十分严重。
Cedrus [Cedrus deodara (Roxb.) G.Don] The tree-shaped majestic, widely cultivated in our country. Dendrolimus punctatus Walker harm masson pine, Slash pine, reported a lot of domestic, but the cedar damage for the first time. The insects began to take place on June 28, 1989 in the cedar of Huajiagang nursery of Tongshan Forest Farm in Yizheng City. Most of the coniferous leaves were eaten at the mid-July in mid-July. At the end of July, the area of diffusion was 80 mu, An average of more than 600 bugs per plant, at least there are 300 ~ 400. Victims of cedar fire, like the same, the harm is very serious.