RypstraBuddle2013

Reference

Rypstra, A.L. and Buddle, C.M. (2013) Spider silk reduces insect herbivory. Biology Letters, 9(1):-. (Scopus )

Abstract

The role of predators in food webs extends beyond their ability to kill and consume prey. Such trait-mediated effects occur when signals of the predator influence the behaviour of other animals. Because all spiders are silk-producing carnivores, we hypothesized that silk alone would signal other arthropods and enhance non-lethal effects of spiders. We quantified the herbivory inflicted by two beetle species on green bean plants (Phaseolus vulgaris) in the presence of silkworm silk and spider silk along with no silk controls. Single leaflets were treated and enclosed with herbivores in the laboratory and field. Another set of leaflets were treated and left to experience natural herbivory in the field. Entire plants in the field were treated with silk and enclosed with herbivores or left exposed to herbivory. In all cases, the lowest levels of herbivory occurred with spider silk treatments and, in general, silkworm silk produced intermediate levels of leaf damage. These results suggest that silk may be a mechanism for the traitmediated impacts of spiders and that it might contribute to integrated pest management programmes. © 2012 The Author(s) Published by the Royal Society. All rights reserved.

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@ARTICLE { RypstraBuddle2013,
    AUTHOR = { Rypstra, A.L. and Buddle, C.M. },
    TITLE = { Spider silk reduces insect herbivory },
    JOURNAL = { Biology Letters },
    YEAR = { 2013 },
    VOLUME = { 9 },
    PAGES = { -- },
    NUMBER = { 1 },
    ABSTRACT = { The role of predators in food webs extends beyond their ability to kill and consume prey. Such trait-mediated effects occur when signals of the predator influence the behaviour of other animals. Because all spiders are silk-producing carnivores, we hypothesized that silk alone would signal other arthropods and enhance non-lethal effects of spiders. We quantified the herbivory inflicted by two beetle species on green bean plants (Phaseolus vulgaris) in the presence of silkworm silk and spider silk along with no silk controls. Single leaflets were treated and enclosed with herbivores in the laboratory and field. Another set of leaflets were treated and left to experience natural herbivory in the field. Entire plants in the field were treated with silk and enclosed with herbivores or left exposed to herbivory. In all cases, the lowest levels of herbivory occurred with spider silk treatments and, in general, silkworm silk produced intermediate levels of leaf damage. These results suggest that silk may be a mechanism for the traitmediated impacts of spiders and that it might contribute to integrated pest management programmes. © 2012 The Author(s) Published by the Royal Society. All rights reserved. },
    COMMENT = { Export Date: 20 February 2013 Source: Scopus Art. No.: 0948 doi: 10.1098/rsbl.2012.0948 },
    ISSN = { 17449561 (ISSN) },
    KEYWORDS = { Food web, Herbivory, Non-consumptive effects, Silk, Spider, Trait-mediated effects, carnivore, food web, integrated pest management, laboratory method, legume, pest damage, plant-herbivore interaction, predator-prey interaction, spider },
    OWNER = { Luc },
    TIMESTAMP = { 2013.02.20 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84872051347&partnerID=40&md5=115569a2521fbb8dd5f0686bfdbe9c71 },
}

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