Olfactory Responses of Three Species of Ladybird Beetles to the Aphids and the Leaves of Their Host Plants

Wang Jinzhong et al (Beijing Agricultural College,Beijing 102206)  

The olfactory responses of the Coccinella septempunctata Lewis, Prophlaea japonica Lewis and Harmonia axyridis (Pallas) to Macrosiphum avenae (Fabricius). Aphis sophoricola Zhong, Chaito phoruspopuleti (Pznzer), A. citricola van der Goot, A. gossypii Glover and their host plants were examined using a four arm olfactometer. The results showed that the C. septempunctata Lewis was strongly attracted towards the combination of the aphid infested leaves of the poplar tree and C. populeti (Pznzer) odors, P. japonica Lewis was strongly attracted towards the combination of the aphid: A. citricola van der Goot and the aphid infested leaves of the apple tree and H. aryridis (Pallas) was strongly attracted towards the combination of A. gossypii Glover and the aphid infested leaves of the rose mallow.

【Key Words】： ladybird beetle apid host plants olfacfory repouse
【Fund】： 北京市青年科技骨干基金资助
【CateGory Index】： S476.2

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