| 槐树长珠蚧的生物学特性 |
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| 引用本文： | 韩晓梅,赵锡京,程桂芳,刘瑛,武三安.槐树长珠蚧的生物学特性[J].昆虫知识,2007,44(6):847-849. |
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| 作者姓名： | 韩晓梅 赵锡京 程桂芳 刘瑛 武三安 |
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| 作者单位： | 1. 北京林业大学省部共建森林培育与保护教育部重点实验室,北京,100083
2. 北京市东城区绿化队,北京,100011 |
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| 基金项目： | 北京市园林局科技项目资助 |
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| 摘 要： | 槐树长珠蚧Neogreenia sophorica Wu是2004年发现于北京东城区的一种新害虫,危害槐树。在北京1年发生1代,有3个龄期,以2龄若虫过冬。营孤雌生殖。每头雌蚧平均产卵105粒,平均孵化率47.53%。1龄若虫期有扩散能力,固定后分布在树干基部1m以上,直径大于5cm的枝条的树皮下。防治的最佳时机应在1龄若虫涌散期。
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| 关 键 词： | 槐树长珠蚧 生活史性 |
| 收稿时间： | 2006-11-08 |
| 修稿时间： | 2007-05-18 |
Bionomics of Neogreenia sophorica |
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| HAN Xiao-Mei,ZHAO Xi-Jing,CHENG Gui-Fang,Liu Ying,WU San-An.Bionomics of Neogreenia sophorica[J].Entomological Knowledge,2007,44(6):847-849. |
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| Authors: | HAN Xiao-Mei ZHAO Xi-Jing CHENG Gui-Fang Liu Ying WU San-An |
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| Abstract: | Neogreenia sophorica Wu is a new pest of Sophora japonica L.found in Dongcheng District of Beijing city in 2004.It has one generation per year,and over-winteres as 2nd instar nymphs(cysts)under bark on stem and branches.One adult female laid 105 eggs on average parthenogenesisly.The hatchability of egg is 47.53%。After settled the first instar nymphse always parasite inside phloem of the trunk above 1m from the horizon and branches that are more than 5 cm in the diameter.Finally,chemical control in dispersion periods nymphs of first instar is suggested. |
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| Keywords: | Neogreenia sophorica life history |
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