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Spiders actively choose and feed on nutritious non-prey food resources

2019Journal article Open access
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dc.contributor.authorBenhadi-Marín, Jacinto
dc.contributor.authorPereira, J.A.
dc.contributor.authorSousa, José Paulo
dc.contributor.authorSantos, Sónia A.P.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2019-01-28T11:57:33Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2019-01-28T11:57:33Z
dc.date.issued2019
dc.description.abstractSpiders are generalist predators adapted to consume a wide range of prey although their ability to exploit non-prey foods such as pollen, nectar, and honeydew has been referred but less studied. In this work, we investigated the effect of different non-prey food items (Glucose at 0.5 M; aphid honeydew; black scale honeydew; a mixture of glucose 0.5 M, phenylalanine 0.1 mM, proline 0.1 mM, and tryptophan 0.1 mM; honey at 10%, and pollen at 10%) on the survival of immature spiders of two functional groups represented by Haplodrassus rufipes (ground hunters) and Synema globosum (ambushers), and their feeding choices, in laboratory experiments. The overall survival of both species fed on non-prey foods significantly increased compared to individuals fed on water. The black-scale honeydew was the best food for H. rufipes increasing longevity up to 117 days. The highest survival reached by S. globosum was observed when fed on a mixture of glucose 0.5 M and three amino acids. When different non-prey food items were offered together, the exploring rate was significantly higher for H. rufipes than for S. globosum. H. rufipes chose to feed on honey whereas S. globosum chose the mixture treatment. The most chosen food items corresponded with those that provided the highest longevities in both species. Our results suggest that spiders could search, recognize and actively select the most beneficial non-prey food. Habitat management practices such as maintaining weed strips in the crop may provide these valuable supplementary food resources within agroecosystems contributing for biological pest control.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationBenhadi-Marín, Jacinto; Pereira, J.A.; Sousa, José Paulo; Santos, Sónia A.P. (2019). Spiders actively choose and feed on nutritious non-prey food resources. Biological Control. ISSN 1049-9644. 129, p. 187-194en_EN
dc.identifier.doi10.1016/j.biocontrol.2018.10.017en_EN
dc.identifier.issn1049-9644
dc.identifier.urihttp://hdl.handle.net/10198/16990
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectGuildsen_EN
dc.subjectHoneydewen_EN
dc.subjectPredatorsen_EN
dc.subjectProteinen_EN
dc.subjectSugarsen_EN
dc.titleSpiders actively choose and feed on nutritious non-prey food resourcesen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F97248%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/COMPETE/EXCL%2FAGR-PRO%2F0591%2F2012/PT
oaire.fundingStreamSFRH
oaire.fundingStreamCOMPETE
person.familyNameBenhadi-Marín
person.familyNamePereira
person.givenNameJacinto
person.givenNameJosé Alberto
person.identifier.ciencia-id8D12-5415-20E0
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0002-9804-4145
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id57204366348
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublicationd522da29-d919-4bcf-840a-a3fac5070975
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscovery7932162e-a2da-4913-b00d-17babbe51857
relation.isProjectOfPublicationf87f0450-c6ab-4c03-bd88-3a405b34a243
relation.isProjectOfPublicationd5dd47a1-6680-4cb7-8c43-aebd4aaee107
relation.isProjectOfPublication.latestForDiscoveryf87f0450-c6ab-4c03-bd88-3a405b34a243

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