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Pollen feeding by syrphids varies across seasons in a Mediterranean landscape dominated by the olive orchard

2021Journal article Open access
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dc.contributor.authorVilla, Maria
dc.contributor.authorSantos, Sónia A.P.
dc.contributor.authorLópez-Sáez, José António
dc.contributor.authorPinheiro, Lara Alina
dc.contributor.authorMarrão, Rosalina
dc.contributor.authorAguiar, Carlos
dc.contributor.authorPereira, J.A.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-23T12:12:35Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-23T12:12:35Z
dc.date.issued2021
dc.description.abstractSyrphids provide valuable ecosystem services such as pollination, pest control or organic matter decomposition. In many cases, adults exploit pollen resources from the landscape to complete their life cycles. Yet, the knowledge about the most suitable plants for enhancing syrphid populations is still insufficient for most habitats. Also syrphid distribution across the landscape is understudied. In this work we analyzed: (i) syrphids distribution across different land uses and seasons in a Mediterranean landscape dominated by olive orchards, (ii) pollen resources exploited by the most abundant syrphid species and (iii) specific pollen resources relevant for egg production. Syrphids were captured weekly in spring, summer and autumn from April to November 2013 with a sweep net in patches with different land uses (olive orchards, herbaceous and scrubland patches). Nine species, generally with predatory aphidophagous larvae, were identified. The most abundant species was Sphaerophoria scripta (L.) followed by Melanostoma mellinum (L.). Sphaerophoria scripta was associated to olive orchards while M. mellinum was associated to herbaceous/scrubland patches. Pollen selection and consumption and number of eggs within gravid females for the most abundant species were determined through gut dissection and identified with a microscope. Several pollen types were showed a positive selection index by syrphid species. During spring and summer, the most ingested pollen types belonged to abundant plants in the patches of capture indicating that syrphids possibly do not need to fly among patches to feed during those periods. In spring, Asteraceae and Plantago type were particularly consumed by S. scripta and M. mellinum gravid females respectively while in summer feeding habits of males, gravid and non-gravid females did not differ. Females consumed more pollen than males but the number of eggs in gravid females was not related with the amount of ingested pollen grains. This study brings some insights about the seasonal variation of pollen feeding habits shown by adult syrphids across a Mediterranean heterogeneous landscape dominated by the olive orchard. In spring, dense flowering strips maintained within the olive orchards might attract and nourish adult syrphids while in summer syrphids might fly to non-crop areas to feed.en_EN
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) for financial support by national funds FCT/MCTES to CIMO (UIDB/00690/2020), and project EXCL/AGR-PRO/0591/2012 “Olive crop protection in sustainable production under global climatic changes: linking ecological infrastructures to ecosystem functions.” and M.V. Postdoc grant (SFRH/BPD/119487/2016).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationVilla, María; Santos, Sónia A.P.; López-Sáez, José Antonio; Pinheiro, Lara; Marrão, Rosalina; Aguiar, Carlos; Pereira, J.A. (2021). Pollen feeding by syrphids varies across seasons in a Mediterranean landscape dominated by the olive orchard. Biological Control. ISSN 1049-9644. 156, p. 1-10en_EN
dc.identifier.doi10.1016/j.biocontrol.2021.104556en_EN
dc.identifier.issn1049-9644
dc.identifier.urihttp://hdl.handle.net/10198/24360
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationMountain Research Center
dc.relationTritrophic interactions in the olive tree: integrating insect behavior and landscape in conservation biological control against the olive moth
dc.subjectEgg productionen_EN
dc.subjectFood resourcesen_EN
dc.subjectMelanostoma mellinumen_EN
dc.subjectOlea europaeaen_EN
dc.subjectSphaerophoria scriptaen_EN
dc.titlePollen feeding by syrphids varies across seasons in a Mediterranean landscape dominated by the olive orcharden_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleTritrophic interactions in the olive tree: integrating insect behavior and landscape in conservation biological control against the olive moth
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/COMPETE/EXCL%2FAGR-PRO%2F0591%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBPD%2F119487%2F2016/PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCOMPETE
oaire.fundingStreamPOR_NORTE
person.familyNameVilla
person.familyNamePinheiro
person.familyNameAguiar
person.familyNamePereira
person.givenNameMaría
person.givenNameLara Alina
person.givenNameCarlos
person.givenNameJosé Alberto
person.identifier.ciencia-idB81D-89AC-6368
person.identifier.ciencia-id5912-C8F4-7686
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0001-8353-5438
person.identifier.orcid0000-0001-6748-2436
person.identifier.orcid0000-0001-8643-7112
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridI-3933-2014
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id57158670600
person.identifier.scopus-author-id55805125700
person.identifier.scopus-author-id54413830100
person.identifier.scopus-author-id57204366348
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
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relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscoveryf0354077-bebe-437c-8625-751953199417
relation.isProjectOfPublication29718e93-4989-42bb-bcbc-4daff3870b25
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