| 蜻蜒捕食婚飞红火蚁的初步观察 |
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| 引用本文： | 郑基焕,张润杰.蜻蜒捕食婚飞红火蚁的初步观察[J].中山大学学报(自然科学版),2007,46(2):120-122. |
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| 作者姓名： | 郑基焕 张润杰 |
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| 作者单位： | 中山大学昆虫学研究所／／有害生物控制与资源利用国家重点实验室,广东广州510275 |
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| 基金项目： | 国家973计划资助项目（2002CB111405）;国家自然科学基金资助项目（30471162,30671394）;广东省自然科学基金资助项目（05003324）;国家科技攻关资助项目（2005BA529A06） |
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| 摘 要： | 报道了黄蜻（Pantala flavescens Fabricius）对婚飞红火蚁的捕食作用。蜻蜓聚集在婚飞红火蚁的蚁巢上方捕食婚飞红火蚁，平均17只／巢．次，最多40只蜻蜓同时出现于一个婚飞的蚁巢上方。距离地面5m以下，蜻蜓对婚飞红火蚁的捕食率平均为85．66％，捕食行为主要发生在距离地面3m以下。捕到婚飞蚁后，蜻蜓立即取食其腹部，丢弃其余部分。蜻蜒这种捕食行为与红火蚁的婚飞同时出现在降雨天气之后的1～2d内。
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| 关 键 词： | 红火蚁 婚飞蚁 黄蜻 捕食 |
| 文章编号： | 0529-6579（2007）02-0120-03 |
| 修稿时间： | 2006-07-26 |
Predation of Dragonfly, Pantala flavescens Fabricius, on the Alates of the Red Imported Fire Ant, Solenopsis invicta Buren |
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| ZHENG Ji-huan, ZHANG Run-fie.Predation of Dragonfly, Pantala flavescens Fabricius, on the Alates of the Red Imported Fire Ant, Solenopsis invicta Buren[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,2007,46(2):120-122. |
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| Authors: | ZHENG Ji-huan ZHANG Run-fie |
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| Institution: | Institute of Entomology//State Key Laboratory for Biocontrol, Sun Yat-sen University, Guangzhou 510275, China |
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| Abstract: | The predation of dragonfly, Pantalaflavescens Fabricius, on the alates of red imported fire ant, Solenopsis invicta Buren, was studied in Zhuhai, Guangdong Province. A swarm of dragonflies hover over the mound of the fire ant when mating flight is taking place. The dragonflies capture the alates flying off the tip of the vegetation, eat the abdomen of alates, and throw away the left. About 85.66% of alates were killed by the dragonflies during mating flying at a height level about 5 m from the ground. The predation of dragonfly is related with the weather, particularly with temperature and relative humidity of soil. |
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| Keywords: | Solenopsis invicta Buren alates Pantala flavescens Fabricius predation |
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