| 九华囊粉蚧幼期形态描记及其袋状附器来源讨论 |
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| 引用本文： | 武三安. 九华囊粉蚧幼期形态描记及其袋状附器来源讨论[J]. 北京林业大学学报, 2005, 27(6): 89-90 |
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| 作者姓名： | 武三安 |
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| 作者单位： | 1.1北京林业大学资源与环境学院2 浙江省森林病虫防治检疫站 |
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| 摘 要： | 该文首次描述和图标了九华囊粉蚧(Porisaccus jiuhuaensis(Wu))的各龄幼期特征.基于足和漏斗状内陷从第一龄若虫至成虫的发展变化情形，作者讨论了雌成虫体腹面的袋状附器的来源，认为其乃后足退化变形之物.
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| 关 键 词： | 九华囊粉蚧 幼期 形态特征 袋状附器 |
| 文章编号： | 1000-1522（2005）06-0089-02 |
| 收稿时间： | 2004-09-06 |
| 修稿时间： | 2004-09-06 |
Morphological descriptions on immature stages of Porisaccus jiuhuaensis (Wu) and the origin of bag-like appendage (Homoptera: Pseudococcidae ) |
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| WU San-an. Morphological descriptions on immature stages of Porisaccus jiuhuaensis (Wu) and the origin of bag-like appendage (Homoptera: Pseudococcidae )[J]. Journal of Beijing Forestry University, 2005, 27(6): 89-90 |
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| Authors: | WU San-an |
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| Affiliation: | The Key Laboratory for Silvicultural and Conservation, Ministry of Education, Beijing Forestry University, 100083, P, R. China |
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| Abstract: | In this paper,three immature stages of Porisaccus jiuhuaensis(Wu) were described and illustrated firstly and then,discussion on the origin of bag-like appendage on ventral surface of adult female showed that this bag-like appendage was vestige of the metathoracic legs based on degeneration of legs and absence of oval pore plate from the 1st instar nymph to adult female. |
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| Keywords: | Porisaccus fiuhuaensis immature stages morphological characteristics bag-like appendage |
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