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定西唐家堡河流域地下害虫是当地主要害虫,发生普遍,为害严重。我们于1984年—1986年对该流域的地下害虫进行了全面、系统的调查研究工作,基本上查清了这一流域地下害虫的种类、虫口密度分布、为害习性及其活动规律,为有效防治提供了依据。一、主要种类,为害时期,为害程度。唐家堡河流域地下害虫主要种类有:蛴螬、金针虫、蛄蝼、拟地(虫甲)。蛴螬占总数的70~
Dingxi Tang Jiabao River Basin underground pests are the main pests, the occurrence of widespread, serious damage. We conducted a comprehensive and systematic investigation of underground pests in the basin from 1984 to 1986 and basically identified the types of pests, population density distribution, habit of pests and their activity patterns in this basin, Provided the basis. First, the main types, the period of harm, the degree of harm. The main species of underground pests in Tangjiapu River Basin are: 蛴 螬, pinworm, 蛄 蝼, to be ground (insect).蛴 螬 accounted for 70 ~ of the total