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Ultramorphology of digestive tract of Anticarsia gemmatalis (Hubner, 1818) (Lepidoptera : Noctuidae) at final larval development

dc.contributor.authorLevy, Sheila Michele
dc.contributor.authorFerreira Falleiros, Angela Maria
dc.contributor.authorMoscardi, Flavio
dc.contributor.authorGregorio, Elisa Aparecida [UNESP]
dc.contributor.authorToledo, Luis Antonio [UNESP]
dc.contributor.institutionUniversidade Estadual de Londrina (UEL)
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:52:31Z
dc.date.available2014-05-20T13:52:31Z
dc.date.issued2008-04-01
dc.description.abstractThe digestive tract of insects is an important natural, physical, and chemical defense barrier against pathogen invasion. Certain. lepidopteran caterpillars are serious pests of agricultural crops and their biology has received much attention, but little is known about the larval noctuid gut. The morphological analysis of the digestive tract in Anticarsia gemmatalis under scanning electron microscopy (SEM) is a good model for studies about its defense mechanism. The material was fixed (2,5% glutaraldehyde solution; 0.1 M-phosphate buffer, pH 7.3), post-fixed (1% osmium tetroxide in the same buffer), dried at critical point, gold coated and analyzed in a SEM 515-Philips. A. gemmatalis digestive tract consists of a straight duct of varying length and diameter, subdivided in three main regions: the foregut formed by the oral cavity, pharynx, esophagus, and crop; the midgut that is the largest portion of the digestive tract without noticeable morphological differentiation along its length; and the hindgut that is morphologically differentiated in pylorus, ileum, colon, and rectum. Although the general morphology of the A. gemmatalis digestive tract is quite similar to the other Lepidoptera species, the anatomical array of the crop muscular layers is quite different comparing with the description for other larval insect.en
dc.description.affiliationUniversidade Estadual de Londrina (UEL), Ctr Ciencias Biol, Dept Histol, Londrina, PR, Brazil
dc.description.affiliationEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Ctr Nacl Pesquisa Soja, Londrina, PR, Brazil
dc.description.affiliationUNESP, Inst Biociencias, Dept Morfol, Botucatu, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Biociencias, Dept Morfol, Botucatu, SP, Brazil
dc.format.extent313-321
dc.identifierhttp://www.uel.br/revistas/uel/index.php/semagrarias/article/view/2822
dc.identifier.citationSemina-ciencias Agrarias. Londrina: Universidade Estadual de Londrina (UEL), v. 29, n. 2, p. 313-321, 2008.
dc.identifier.fileWOS000257475100009.pdf
dc.identifier.issn1676-546X
dc.identifier.urihttp://hdl.handle.net/11449/18752
dc.identifier.wosWOS:000257475100009
dc.language.isoeng
dc.publisherUniversidade Estadual de Londrina (UEL)
dc.relation.ispartofSemina: Ciências Agrárias
dc.relation.ispartofjcr0.349
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectscanning electron microscopyen
dc.subjectdigestive tubeen
dc.subjectvelvet bean caterpillaren
dc.titleUltramorphology of digestive tract of Anticarsia gemmatalis (Hubner, 1818) (Lepidoptera : Noctuidae) at final larval developmenten
dc.typeArtigo
dcterms.licensehttp://www.uel.br/revistas/uel/index.php/semagrarias/about/editorialPolicies#openAccessPolicy
dcterms.rightsHolderUniversidade Estadual de Londrina (UEL)
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt
unesp.departmentMorfologia - IBBpt

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