| 西宁地区油菜蚜虫蚜茧蜂的初步研究 |
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| 引用本文： | 李宁. 西宁地区油菜蚜虫蚜茧蜂的初步研究[J]. 青海大学学报, 1997, 15(1): 14-17 |
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| 作者姓名： | 李宁 |
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| 作者单位： | 青海大学教务处 |
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| 摘 要： | 西宁地区寄生油菜蚜虫的蚜茧蜂的优势种是菜蚜茧蜂，占８３．９％，田间寄生率以桃蚜最高，萝卜蚜次之，甘蓝蚜最低，蚜茧蜂卵的孵化率最高１００％，平均为８４．４３％，雌雄性比为１．２６３：１。
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| 关 键 词： | 油菜 蚜虫 蚜茧蜂 寄生率 生物防治 西宁地区 |
Preliminary Studies on the Aphidiusof Rape Aphid in Xining Area |
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| Li Ning. Preliminary Studies on the Aphidiusof Rape Aphid in Xining Area[J]. Journal of Qinghai University(Natural Science), 1997, 15(1): 14-17 |
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| Authors: | Li Ning |
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| Affiliation: | Dean's Office of Qinghai University |
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| Abstract: | Diaeretiella rapae M'lntosh is dominant species of aphidius on rape aphid in Xining area, account for 83. 9% of the total. The parasitism rate of aphidius. is highest in the Myzus persicae sulzer in three rape Aphids Then is in the Lipaphis erysimi (kalitenbach) , the lowest is in the Brevicoryne brassicae(Linne). The highest incubation rate of aphidius's eggs is 100%, average is 84. 43%; The sex of femal and male is in a ratio of about 1,253 : 1. |
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| Keywords: | Rope Aphid Aphidius |
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