Elsevier

Animal Behaviour

Volume 60, Issue 6, December 2000, Pages 821-826
Animal Behaviour

Regular Article
Web damage and feeding experience influence web site tenacity in the orb-web spider Argiope keyserlingi Karsch

https://doi.org/10.1006/anbe.2000.1541Get rights and content

Abstract

For orb-web spiders, the decision to remain at a particular site or to relocate elsewhere will ultimately depend on the quality of the site. In the past, the quality of the site has been measured in terms of prey availability; spiders experiencing large numbers of prey items are less likely to relocate. However, regular web damage caused by larger nonprey animals may also contribute to the quality of a particular site. Laboratory experiments revealed that the frequency and extent of web relocation by the orb-web spider Argiope keyserlingi was influenced by the feeding regime and the rate of nonprey web damage. Daily movement patterns were influenced by web damage, and these movements were in the direction away from the source of damage. However, the cumulative distance moved during the 7 days of the experiment was influenced by the frequency with which spiders were fed. Spiders that were not given prey moved further than spiders that obtained prey. These data indicate that spiders respond to web damage on a daily basis, but the cumulative movement of spiders over a longer period is influenced mostly by the history of prey ingestion rate.

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    Correspondence: M. A. Elgar, Department of Zoology, University of Melbourne, Melbourne, VIC 3010, Australia (email:[email protected]).

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