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| 棉田十一星瓢虫种群动态及空间分布 | |
| 引用本文： | 李进步,方丽平,吕昭智. 棉田十一星瓢虫种群动态及空间分布[J]. 昆虫知识, 2007, 44(1): 86-88 |
| 作者姓名： | 李进步 方丽平 吕昭智 |
| 作者单位： | 1. 淮北煤炭师范学院生物系,淮北,235000 2. 中国科学院新疆生态与地理研究所,乌鲁木齐,830011 |
| 基金项目： | 中国科学院知识创新塔里木河二期重大项目，兵团博士基金资助。 |
| 摘 要： | 通过田间系统调查,对棉田十一星瓢虫CoccinellaundecimpanctataL.种群动态及空间分布方面进行研究,探明捕食性天敌十一星瓢虫各虫态在南疆棉区的种群消长趋势,分析表明该虫4种虫态在棉田中均为聚集分布,成虫、幼虫和蛹的聚集原因主要是由棉蚜密度等引起,而其卵的聚集主要是由于其习性及环境因素引起。 |
| 关 键 词： | 棉田 十一星瓢虫 种群动态 空间分布 |
| 修稿时间： | 2006-02-24 |
The population dynamics and the spatial distribution of Coccinella undecimpanctata in cotton field |
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| LI Jin-Bu,FANG Li-Ping,LV Zhao-Zhi. The population dynamics and the spatial distribution of Coccinella undecimpanctata in cotton field[J]. Entomological Knowledge, 2007, 44(1): 86-88 | |
| Authors: | LI Jin-Bu FANG Li-Ping LV Zhao-Zhi |
| Affiliation: | 1. Department of Life Science, Huaibei Coal Industry Teachers College, Huaibei 235000, China; 2. Xinjiang Ecology and Geography Institute, Chinese Academy of Sciences, Urumqi 830011, China |
| Abstract: | Based on the preliminary survey in cotton field, the population dynamics and the spatial distribution of Coccinella undecimpanctata L. were studied. The population dynamics of C. undecimpanctata in cotton field was clarified. The characteristic of the spatial pattern of C. undecimpanctata populations was estimated to be of aggregated type and mutual attraction among individuals in all 4 stages. The aggregation of adults, larvae and pupae was due to the density of cotton aphids, whereas eggs aggregation was mainly influenced by habits and environment. |
| Keywords: | cotton field Coccinella undecimpanctata population dynamics spatial distribution |
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