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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2012 Vol.31 No.5

The Primary Studies on the Social Mechanism of Solitary Argiope amoena Spiderling
Author of the article:JIANG Ping1, 2#, ZHUO Chun-hui3#, Lü Tai-yong 1, 2, XIAO Yong-hong1, 2, LIAO Xin-jun1, 2, GUO Cong4
Author's Workplace:(1. College of Life Sciences, Jinggangshan University, Ji’an, Jiangxi Province 343009, China; 2. Key  Laboratory for Biodiversity Science and Ecological Engineering in Jiangxi Province, Ji’an, Jiangxi Province 343009, China; 3. Fujian Academy of Environmental Science, Fuzhou 350013, China; 4 .Key Laboratory of Bio-resources and Eco-environment, Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610064, China)
Key Words:Argiope amoena; spiderling; solitary; social; dispersal
Abstract:

In this study, the web conditions of spiderlings with and without social experience, the spiderling livability at different temperature and population size, the spiderling dispersal ways of solitary spider Argiope amoena were observed and investigated. It was found that the spiderlings hatched out from egg sac owned webbing and living ability without feeding and were able to weave a complete web without social and dispersal experiences. The livability of spiderlings at the high-low alternant temperatures increased in contrast to that of at room temperature. The times duration that spiderling began to die till half die off were much longer than their gregarious phase. The spiderlings dispersed mainly through the ballooning, an aerial dispersal way, which might decrease the energy consumption and threats from the natural enemy as well as atrocious entironment. The distributions of spiderlings with different population size in the restricted space greatly varied on the about 5th day. This result was consistent with that of the uncontrolled space, which indicates that the main reasons for spiderling sociality of the solitary spider Argiope amoena are probably to minimize of dispersal costs and to maintain the higher livability or viability.

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