Behaviors of Propylaea japonica in searching and preying cotton aphid Aphis gossypii in the cotton plant

Chinese Journal of Applied Ecology

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Behaviors of Propylaea japonica in searching and preying cotton aphid Aphis gossypii in the cotton plant

ZHU Sanrong^1,2;GAO Feng¹;LIU Xianghui¹;KANG Le¹;GE Feng¹

¹State Key Laboratory of Integrated Management of Pest Insects and Rodents,Institute of Zoology,Chinese Academy of Sciences,Beijing 100080,China; ²College of Plant Protection,Hunan Agricultural University,Changsha 410128,China

Received:2004-11-16 Revised:2005-03-18 Online:2006-02-18 Published:2006-02-18

Abstract

Abstract: The study showed that the searching activity of P.japonica on cotton aphid Aphis gossypii decreased gradually with decreasing aphid density.When enough A.gossypii existed, P.japonica had a preferential searching and preying activity on the top of cotton plant.There was no significant difference in the preying activity of P.japonica at different positions of cotton plant,while the searching activity of the ladybird beetle was significantly lower on cotton M9101 than on cotton Zhongmian 13.The preying behavior of P.japonica was significantly correlated with the density and distribution of A.gossypii.

Key words: Planting generation, Chinese fir, Nutrient accumulation, Soil degradation

ZHU Sanrong^1,2;GAO Feng¹;LIU Xianghui¹;KANG Le¹;GE Feng¹ . Behaviors of Propylaea japonica in searching and preying cotton aphid Aphis gossypii in the cotton plant[J]. Chinese Journal of Applied Ecology.

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Behaviors of Propylaea japonica in searching and preying cotton aphid Aphis gossypii in the cotton plant

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