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Long-term impact of exotic ants on the native ants of Madeira

2006Journal article Open access
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dc.contributor.authorWetterer, James K.
dc.contributor.authorEspadaler, Xavier
dc.contributor.authorWetterer, Andrea L.
dc.contributor.authorAguin-Pombo, Dora
dc.contributor.authorFranquinho-Aguiar, António M.
dc.date.accessioned2022-01-17T09:21:11Z
dc.date.available2022-01-17T09:21:11Z
dc.date.issued2006
dc.description.abstract1. The earliest exotic records for two notorious invasive ants, the big-headed ant ( Pheidole megacephala ) and the Argentine ant ( Linepithema humile ), both come from the Atlantic islands of Madeira, where the two species underwent population explosions in the 1850s and 1890s respectively. Researchers have long assumed that these invaders spread across all of Madeira and exterminated most or all native ants, despite no research actually documenting such impact. 2. Re-examination of first-hand nineteenth century accounts suggest that P. megacephala and L. humile may never have spread beyond coastal lowland areas, representing < 10% of Madeira’s land area. In 2002, native ants dominated most of Madeira; P. megacephala and L. humile were restricted to ≈ 0.3% and ≈ 6% of Madeira’s land area respectively. 3. Of the 10 native ant species known from Madeira, only one ( Temnothorax wollastoni ) was not present in 1999 – 2002 surveys. Although exotic ants may have exterminated T. wollastoni , it seems likely that this species still survives. 4. Thus, even after 150 or more years of residence, P. megacephala and L. humile have come to occupy only a small part of Madeira, and appear to have had little impact. 5. Most of Madeira may be too cool for P. megacephala and perhaps too moist for L. humile to dominate. Also, Madeira’s vast natural areas may generally lack weedy vegetation that can support high densities of plant-feeding Hemiptera critical for the ecological dominance of invasive ants. Finally, a dominant native ant, Lasius grandis , inhabiting ≈ 84% of Madeira, may actively exclude P. megacephala and L. humilept_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationWetterer, J. K., Espadaler, X., Wetterer, A. L., Aguin‐Pombo, D.., & Franquinho‐Aguiar, A. M. (2006). Long‐term impact of exotic ants on the native ants of Madeira. Ecological Entomology, 31(4), 358-368. https://doi.org/10.1111/j.1365-2311.2006.00790.xpt_PT
dc.identifier.doi10.1111/j.1365-2311.2006.00790.xpt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3989
dc.language.isoengpt_PT
dc.publisherWileypt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectArgentine antpt_PT
dc.subjectBig-headed antpt_PT
dc.subjectBiodiversitypt_PT
dc.subjectBiological invasionspt_PT
dc.subjectExotic speciespt_PT
dc.subjectFormicidaept_PT
dc.subjectLasius grandispt_PT
dc.subjectLinepithema humilept_PT
dc.subjectMadeira (Portugal)pt_PT
dc.subjectPheidole megacephalapt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleLong-term impact of exotic ants on the native ants of Madeirapt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage368pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage358pt_PT
oaire.citation.titleEcological Entomologypt_PT
oaire.citation.volume31pt_PT
person.familyNameAguin-Pombo
person.givenNameDora
person.identifier.orcid0000-0002-4471-7105
person.identifier.scopus-author-id6508294703
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication20d302e6-9681-4b6a-a6d9-c25be5f48d20
relation.isAuthorOfPublication.latestForDiscovery20d302e6-9681-4b6a-a6d9-c25be5f48d20

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