舟曲县气候温和,雨量适中,宜于花椒树生长。所产花椒个大、果红、质优,商品价值高,产品驰名省内外,远销四川等省。在山区经济开发中花椒树被该县列为主要经济树种,花椒生产的好坏直接关系到椒农的经济收入。为了保证花椒树的正常生长,提高花椒产量。我们于1986年9月至10月,在该县白龙江两岸的花椒产地进行了病虫害种类特别是桔褐天牛的调查,结果如下: Zhouqu mild climate, moderate rainfall, suitable for the growth of pepper tree. Produced a large pepper, red fruit, high quality, high value of goods, the product known inside and outside the province, sold to Sichuan and other provinces. In the economic development of mountainous area, Zanthoxylum bungeanum is listed as the main economic tree species in this county. The production of Zanthoxylum bungeanum is directly related to the economic income of Zanjiao farmers. In order to ensure the normal growth of the pepper tree, improve pepper production. From September to October 1986, we conducted a survey on the pest species, especially orange brown cattle, on the pepper producing areas on both sides of Bailongjiang in the county. The results are as follows: