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Decoding the locational information in the orb web vibrations of Araneus diadematus and Zygiella x-notata

Research output: Contribution to journalArticle

  • B. Mortimer
  • A. Soler
  • L. Wilkins
  • F. Vollrath
Original languageEnglish
Article number20190201
Number of pages10
JournalJournal of the Royal Society Interface
Volume16
Issue number154
DOIs
DateAccepted/In press - 23 Apr 2019
DatePublished (current) - 22 May 2019

Abstract

A spider’s web is a multifunctional structure that captures prey and provides an information platform that transmits vibrational information. Many physical factors interact to influence web vibration and information content, from vibration source properties and input location, to web physical properties and geometry. The aim of the study was to test whether orb web vibration contains information about the location of the source of vibration. We used finite-element analysis model webs to control and vary major physical factors, investigating webs where spiders use a direct or remote monitoring strategy. When monitoring with eight sensors (legs) at the web centre, a comparison of longitudinal and transverse wave amplitude between the sensors gave sufficient information to determine source direction and distance, respectively. These localization cues were robust to changes in source amplitude, input angle and location, with increased accuracy at lower source amplitudes. When remotely monitoring the web using a single thread connected to the web’s hub (a signal thread), we found that locational information was not available when the angle of the source input was unknown. Furthermore, a free sector and a stiff hub were physical mechanisms to aid information transfer, which provides insights for bioinspired fibre networks for sensing technologies.

    Research areas

  • Araneus diadematus, Finite-element analysis model, Localization, Orientation, Zygiella x-notata

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  • Full-text PDF (accepted author manuscript)

    Rights statement: This is the accepted author manuscript (AAM). The final published version (version of record) is available online via The Royal Society at https://doi.org/10.1098/rsif.2019.0201 . Please refer to any applicable terms of use of the publisher.

    Accepted author manuscript, 2 MB, PDF document

    Licence: Other

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