| 卫矛矢尖蚧生物学特性的观察 |
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| 引用本文： | 刘铭汤.卫矛矢尖蚧生物学特性的观察[J].西北林学院学报,1995,10(2):101-103. |
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| 作者姓名： | 刘铭汤 |
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| 作者单位： | 西北林学院森林资源保护系 |
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| 摘 要： | 卫矛矢尖蚧在陕西关中地区１年２代，以受精雌成虫在寄生植物的茎、叶上越冬。若虫２龄，雌雄异型。雌成虫平均产卵量７９．３粒，雄成虫寿命１～２ｄ，雌雄性比为１．１：１。天敌昆虫有红点唇瓢虫、盾蚧小方头甲和红圆蚧金黄小蜂。
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| 关 键 词： | 卫矛矢尖蚧 生物学特性 天敌 |
Biological Characteristics of Euonynus Scale |
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| Liu Mingtang.Biological Characteristics of Euonynus Scale[J].Journal of Northwest Forestry University,1995,10(2):101-103. |
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| Authors: | Liu Mingtang |
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| Abstract: | Unaspis euonymi Comstock happened two generations per year in Guanzhong region of Shaanxi.It lived through the winter by female adults after spermatiation on the stems and leaves of parasite plants. The larvae had two age stages, dioecism.A female adult laid 79.3 eggs averagely. Male could only live for two days. The ratio of female to male was 1. 1: 1. The natural enemies were Chilocorus kuwanae Sitlvestri, Cybocepnalus nipponi Endroby -Yonge and Prospeella aurantili Howard respectively. |
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| Keywords: | Unaspis euonymi biological characteristics natural enemy |
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