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| 丽蚜小蜂两个品系寄生行为及对不同寄主植物上烟粉虱的选择性 | |
| 引用本文： | 张世泽,郭建英,万方浩,张帆. 丽蚜小蜂两个品系寄生行为及对不同寄主植物上烟粉虱的选择性[J]. 生态学报, 2005, 25(10): 2595-2600 |
| 作者姓名： | 张世泽 郭建英 万方浩 张帆 |
| 作者单位： | 1. 农业部生物防治重点开放实验室,中国农业科学院农业环境与可持续发展研究所,北京,100081;西北农林科技大学植物保护学院,陕西,杨凌,712100 2. 农业部生物防治重点开放实验室,中国农业科学院农业环境与可持续发展研究所,北京,100081 3. 北京市农林科学院植环所,北京,100089 |
| 基金项目： | 国家重点基础研究发展规划资助项目(2002CB111400)，北京市科技资助项目(H012010130113)~~~ |
| 摘 要： | 对丽蚜小蜂两个品系(分别来自北京和美国)寄生烟粉虱的行为和在番茄、黄瓜、甘蓝、茄子及棉花烟粉虱上的发育历期和寄生率进行了研究。结果表明,丽蚜小蜂通过寄主定位、寄主检查、产卵、清扫和梳理等过程对烟粉虱进行寄生,北京品系平均产卵寄生时间为5.0 m in,美国品系为4.2 m in,品系间差异显著。北京品系在棉花烟粉虱上发育历期最短,为17.4 d,甘蓝烟粉虱上发育历期最长,为20.0 d;美国品系在棉花烟粉虱上发育历期最短,为16.3 d,在其余4种寄主植物烟粉虱上发育历期较长(17.3~17.9 d)。2个品系的寄生率均表现为番茄烟粉虱上最高,分别为37.3%和39.0%;棉花次之,分别为32.2%和35.5%;黄瓜上最低,分别为30.2%和29.6%。在寄主植物选择性试验中,2个品系亦表现为寄生番茄烟粉虱时寄生率最高,美国品系为62.7%,北京品系为56.3%,寄生黄瓜烟粉虱时寄生率最低,分别为30.8%和29.0%。 |
| 关 键 词： | 丽蚜小蜂 烟粉虱 寄生行为 寄主植物 发育历期 寄生率 |
| 文章编号： | 1000-0933（2005）10-2595-06 |
| 收稿时间： | 2004-05-19 |
| 修稿时间： | 2004-05-192004-11-15 |
Parasitic behavior and selectivity of Encarsia formosa(Hymenoptera: Aphe-(linidae)) towards Bemisia tabaci(Homoptera: Aley-(rodidae)) on different host plants |
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| ZHANG Shize,GUO Jianying,WAN Fanghao and ZHANG Fan. Parasitic behavior and selectivity of Encarsia formosa(Hymenoptera: Aphe-(linidae)) towards Bemisia tabaci(Homoptera: Aley-(rodidae)) on different host plants[J]. Acta Ecologica Sinica, 2005, 25(10): 2595-2600 | |
| Authors: | ZHANG Shize GUO Jianying WAN Fanghao ZHANG Fan |
| Affiliation: | 1. Key-Lab of Biological Control, Ministry of Agriculture; Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China; 2. College of Plant Protection, Northwest Sci-Tech University of Agriculture and Forestry, Yangling Shaanxi 712100, China; 3. Institute of Plant and Environment Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100089, China |
| Abstract: | The cotton whitefly,Bemisia tabaci(Gennadius)(Homoptera: Aleyrodidae) is a polyphagous species that attacks field crops,vegetables and ornamental crops throughout the tropics,subtropics and temperate zones.B.tabaci causes direct damage through feeding,plus indirect damage through disease transmission, and honeydew production on which sooty mold grows.In China,B.tabaci has been considered as a sporadic pest of cotton until 2000 when its B-biotype has become an important pest in northern China.The aphelinid p... |
| Keywords: | Encarsia formosa Bemisia tabaci parasitic behavior host plant development time parasitisation rate |
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