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两年来,我们对陕西关中棉区的草蛉进行了以下各方面的研究和试验。现将初步结果整理如下: 草蛉的种类 将我院收藏的和1975年黑光灯诱集的草蛉标本,鉴定成虫454头,计有8种。现将种类数量和各种所占百分比列于表1。以丽草蛉、大草蛉、中华草蛉等三种数量最多,占总数的86.59%,为我省的优势种。在棉田大量捕食棉花害虫的也是这三种。
In the past two years, we have conducted the following researches and experiments on the grass weeds in the Guanzhong area of Shaanxi Province. Now the preliminary results are organized as follows: Kind of species collected from our hospital and 1975 black light trap grass specimens, identification of adult 454, there are 8 species. The number of species and their respective percentages are listed in Table 1. In order to Li grass 蛉, large grass 蛉, Chinese grass 蛉 the three kinds of the largest number, accounting for 86.59% of the total, as the dominant species in our province. There are also three types of predation on cotton pests in cotton fields.