| 桑粉虱研究初报 |
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| 引用本文： | 余虹,吴叙英.桑粉虱研究初报[J].蚕业科学,1997,23(1):10-13. |
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| 作者姓名： | 余虹 吴叙英 |
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| 作者单位： | [1]浙江农业大学植保系 [2]浙江省海宁市农林局 |
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| 摘 要： | 室内饲养桑粉虱，感温20℃，卵期平均7．6d；在18.38～19．59℃，幼虫期1龄平均6.2d，2龄3.1d，3龄4．0d，4龄及蛹期8.5d。室内饲养结合田间实验，桑粉虱成虫的单雌产卵量平均为21粒。成虫寿命室内为2～6d，室外有长于8d的。以蛹在落叶、土表和杂草中越冬。
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| 关 键 词： | 桑粉虱 生物学特性 |
PRELIMINARY STUDY ON MULBERRY WHITEFLY Pealius mori TAKAHASHI |
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| Yu Hong, Gao Zuxun.PRELIMINARY STUDY ON MULBERRY WHITEFLY Pealius mori TAKAHASHI[J].Acta Sericologica Sinica,1997,23(1):10-13. |
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| Authors: | Yu Hong Gao Zuxun |
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| Abstract: | Mulberry whitefly Pealius mori Takahashi was reared in laboratory. The mean egg stage was 7. 6 days at 20℃. The first、 second and third larval stages were 6. 2, 3. 5 and4.0 days, respectively, the fourth instar and pupa stage were 8. 5 days under the mean temperature of 18. 38~ 19.59℃. The life span of adult was 2~6 days in the laboratory and that of some adults was over 8 days outdoor. It overwinters as pupae in fallenleaves, soil surface and weeds. |
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| Keywords: | Pealius mori Biological character |
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