棉田十一星瓢虫种群动态及空间分布
The population dynamics and the spatial distribution of Coccinella undecimpanctata in cotton field
李进步1;方丽平1; 吕昭智1
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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
中文关键词:棉田,十一星瓢虫,种群动态,空间分布
英文关键词:cotton field; Coccinella undecimpanctata; population dynamics; spatial distribution
中文摘要:通过田间系统调查,对棉田十一星瓢虫Coccinella undecimpanctata L.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
英文摘要: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 characteris