| 东方实蝇蛹俑小蜂性比、寿命和生殖力及低温冷藏对其影响的实验研究 |
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| 引用本文： | 张桂筠.东方实蝇蛹俑小蜂性比、寿命和生殖力及低温冷藏对其影响的实验研究[J].中国生物防治,1992(1). |
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| 作者姓名： | 张桂筠 |
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| 作者单位： | 山西医学院医学昆虫研究室 太原 |
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| 摘 要： | 东方实蝇蛹俑小蜂实验种群的雌雄性比为2.48:1,冷藏后子代小蜂的雌雄性比变化较大,甚至出现比例倒置现象。雌蜂寿命最长16天,平均为8天,冷藏后寿命缩短。实验种群雌蜂生殖力高峰维持于第2～4龄,平均每雌每天可产仔1.04只,冷藏后生殖力降低,冷藏1和2周组的产仔平均值分别为0.82和0.79只。
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| 关 键 词： | 东方实蝇蛹俑小蜂 寿命 生殖力 冷藏 |
EFFECT OF COLD STORAGE ON THE LONGEVITY, SEX RATIO AND REPRODUCTIVITY OF SPALANGIA ENDIUS [HYM.:PTEROMALIDAE] |
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| ZHANG Gui jun.EFFECT OF COLD STORAGE ON THE LONGEVITY, SEX RATIO AND REPRODUCTIVITY OF SPALANGIA ENDIUS [HYM.:PTEROMALIDAE][J].Chinese Journal of Biological Control,1992(1). |
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| Authors: | ZHANG Gui jun |
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| Abstract: | Results of the laboratory studies showed tkat the average life span of S. endius adults was 8 days. Adult sex ratio was 2.48:1 (fcmalc:male). The oviposition peak occurred at the 2nd to 4th day after emergence of the adults. In this period, each female produced more than 2 offsprings per day, while an overall average number of 1.04 eggs were laid by a female in a day. One to two weeks of cold storage reduced the longevity and fecundity, and changed the sex ratio of the parasitoid. |
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| Keywords: | Spalangia endius cold storage medical insects |
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