Dispersion capacity of Triatoma sherlocki, Triatoma juazeirensis and laboratory-bred hybrids

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dc.contributor.authorAlmeida, Carlos E. [UNESP]
dc.contributor.authorOliveira, Heloisa L.
dc.contributor.authorCorreia, Nathalia
dc.contributor.authorDornak, Lynnette L.
dc.contributor.authorGumiel, Marcia
dc.contributor.authorNeiva, Vanessa L.
dc.contributor.authorHarry, Myriam
dc.contributor.authorMendonca, Vagner J. [UNESP]
dc.contributor.authorCosta, Jane
dc.contributor.authorGalvao, Cleber
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionFiocruz MS
dc.contributor.institutionUniversity of Kansas (KU)
dc.contributor.institutionUniv Paris 11
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.date.accessioned2014-05-20T13:24:14Z
dc.date.available2014-05-20T13:24:14Z
dc.date.issued2012-04-01
dc.description.abstractFlight dispersion is recognized as one of the most important mechanisms for triatomine house infestation. Triatoma sherlocki and T. juazeirensis are closely related species that occur within the same ecotope and their possible reproductive boundaries are unknown. T. sherlocki has shorter wings than T. juazeirensis: a characteristic that possibly implies in reduced flight dispersion, however, this species has been found to invade and colonize homes in Bahia, Brazil. Here, we tested the flight potential of T. sherlocki, compared to that of T. juazeirensis and laboratory-bred hybrids. insects were kept in an apparatus designed to distinguish flyers from nonflyers. Fifty-one and 53% of T. juazeirensis and hybrids were flyers respectively, whereas no T. sherlocki were recorded to fly. Morphometric analysis of the main structures associated with the locomotor abilities showed that hybrids exhibited intermediate size for most of characters. The width of pronotum of both hybrids and T. juazeirensis was significantly larger than T. sherlocki. We suggested that lack of flight ability of T. sherlocki is possibly a result of reduced wing size and distinct shape, combined with undeveloped flight muscles in a shorter thoracic box. The mobility of T. sherlocki might be compensated by its significantly longer legs, and may possibly increase its ability to invade human dwellings by active dispersion. What is more, this study showed that hybrids between T. sherloki and T. juazeirensis have intermediate morphological characters that may give them higher fitness than their parents, and thus may advance the process of house infestation by either fight or walking in case of an eventual natural hybridization. (C) 2011 Elsevier B.V. All rights reserved.en
dc.description.affiliationUNESP, Fac Ciencias Farmaceut, Dept Ciencias Biol, Parasitol Lab, BR-14801902 Araraquara, SP, Brazil
dc.description.affiliationFiocruz MS, IOC, Lab Biodiversidade Entomol, Rio de Janeiro, Brazil
dc.description.affiliationFiocruz MS, IOC, Lab Nacl & Internacl Referencia Taxon Triatomineo, Rio de Janeiro, Brazil
dc.description.affiliationUniv Kansas, Dept Geog, Lawrence, KS 66045 USA
dc.description.affiliationUniv Paris 11, LEGS, French Natl Ctr Sci Res, CNRS,IRD,UR 072, Gif Sur Yvette, France
dc.description.affiliationUniv Estadual Campinas, Dept Biol Anim, Inst Biol, BR-13081970 Campinas, SP, Brazil
dc.description.affiliationUnespUNESP, Fac Ciencias Farmaceut, Dept Ciencias Biol, Parasitol Lab, BR-14801902 Araraquara, SP, Brazil
dc.description.sponsorshipFundação Oswaldo Cruz (Fiocruz)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent71-79
dc.identifierhttp://dx.doi.org/10.1016/j.actatropica.2011.12.001
dc.identifier.citationActa Tropica. Amsterdam: Elsevier B.V., v. 122, n. 1, p. 71-79, 2012.
dc.identifier.doi10.1016/j.actatropica.2011.12.001
dc.identifier.issn0001-706X
dc.identifier.urihttp://hdl.handle.net/11449/7463
dc.identifier.wosWOS:000302668600011
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofActa Tropica
dc.relation.ispartofjcr2.509
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectTriatominaeen
dc.subjectBrachypterousen
dc.subjectChagas diseaseen
dc.subjectDomiciliationen
dc.subjectGeometric morphometric analysisen
dc.titleDispersion capacity of Triatoma sherlocki, Triatoma juazeirensis and laboratory-bred hybridsen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Farmacêuticas, Araraquarapt

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