A study of the scutellum in eight Chagas disease vector species from genus Triatoma (Hemiptera, Reduviidae) using optical and scanning electron microscopy

dc.contributor.authorObara, Marcos Takashi
dc.contributor.authorRosa, João Aristeu da [UNESP]
dc.contributor.authorCeretti Jr, Walter
dc.contributor.authorUrbinatti, Paulo Roberto
dc.contributor.authorQuintero, Lisardo Osório
dc.contributor.authorBarata, José Maria Soares
dc.contributor.authorGalvão, Cleber
dc.contributor.authorJurberg, José
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de Antioquia Faculdade Nacional de Saúde Pública
dc.contributor.institutionFiocruz Instituto Oswaldo Cruz Departamento de Protozoologia
dc.date.accessioned2014-05-20T15:09:25Z
dc.date.available2014-05-20T15:09:25Z
dc.date.issued2007-06-01
dc.description.abstractThe aim of this study was to analyze the external morphology of the scutellum through optical microscopy and scanning electron microscopy (SEM) in male specimens of Triatoma costalimai, T. delpontei, T. eratyrusiformis, T. matogrossensis, T. infestans melanosoma, T. sherlocki, T. tibiamaculata, and T. vandae. A total of 30 photographs of the scutellum were made. Magnification varied from 50X to 750X. Regarding depth and forms of the central depression, the heart-shaped form was predominant, with some exceptions, so that this shape appears to be a common characteristic for species of genus Triatoma Laporte, 1832. In T. eratyrusiformis, a kind of sensillum with important taxonomic value was observed. The different sizes and shapes of the designs found on the posterior process of the scutellum were also of important taxonomic interest. The study of the scutellum based on SEM showed valuable characteristics, allowing the use of this structure to aid the diagnosis of triatomine species. Thus, more specimens in subsequent studies and analyses of morphometric parameters should contribute to agreement on phylogenetic aspects in this genus. A Key to eight species of Triatoma based on male scutellar morphology is presented.en
dc.description.affiliationUSP Faculdade de Saúde Pública Departamento de Epidemiologia
dc.description.affiliationUnesp Departamento de Ciências Biológicas Laboratório de Parasitologia
dc.description.affiliationUniversidade de Antioquia Faculdade Nacional de Saúde Pública
dc.description.affiliationFiocruz Instituto Oswaldo Cruz Departamento de Protozoologia
dc.description.affiliationUnespUnesp Departamento de Ciências Biológicas Laboratório de Parasitologia
dc.format.extent463-468
dc.identifierhttp://dx.doi.org/10.1590/S0074-02762007005000027
dc.identifier.citationMemórias do Instituto Oswaldo Cruz. Instituto Oswaldo Cruz, Ministério da Saúde, v. 102, n. 4, p. 463-468, 2007.
dc.identifier.doi10.1590/S0074-02762007005000027
dc.identifier.fileS0074-02762007000400006.pdf
dc.identifier.issn0074-0276
dc.identifier.lattes2635738091759784
dc.identifier.scieloS0074-02762007000400006
dc.identifier.urihttp://hdl.handle.net/11449/27217
dc.language.isoeng
dc.publisherInstituto Oswaldo Cruz, Ministério da Saúde
dc.relation.ispartofMemórias do Instituto Oswaldo Cruz
dc.relation.ispartofjcr2.833
dc.relation.ispartofsjr1,172
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectscutellumen
dc.subjectoptical microscopyen
dc.subjectscanning electron microscopyen
dc.subjectTriatominaeen
dc.subjectChagas diseaseen
dc.titleA study of the scutellum in eight Chagas disease vector species from genus Triatoma (Hemiptera, Reduviidae) using optical and scanning electron microscopyen
dc.typeArtigo
unesp.author.lattes2635738091759784
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Farmacêuticas, Araraquarapt

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