Size differences in the Dufour gland of Apis mellifera Linnaeus (Hymenoptera, Apidae) between and within the female castes

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dc.contributor.authorAbdalla, Fábio Camargo [UNESP]
dc.contributor.authorCruz-Landim, Carminda da [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:56:01Z
dc.date.available2014-05-20T13:56:01Z
dc.date.issued2001-07-01
dc.description.abstractThe Dufour gland is found closely associated with the sting apparatus of all hymenopteran females, playing multiple roles among bees. In Apis mellifera Linnaeus, 1758 the gland is connected to the dorsal vaginal wall and, in queens, it produces egg-marking pheromones. In workers the function of this gland is unknown, except by its capacity to mimic the queen secretion in egg-laying workers. In an attempt to understand the development and to substantiate the present knowledge about the Dufour gland in A. mellifera, a morphometric study of the gland between and within the female castes was made. Glands of workers and queens with different ages and life stages were dissected and measured with an ocular micrometer adapted to a stereoscope. The results showed that the Dufour gland is larger in queens than in workers, and that among workers, the gland is larger in egg-laying and foragers than it is in newly emerged and nurse workers. The larger size of the gland in egg-laying queens and workers is in accordance with its role in reproduction. In forager workers the larger size of the gland suggest that, as happens in some species of bees, the gland may participate in pheromone production for nest-mate or nest-entrance recognition.en
dc.description.affiliationUniversidade Estadual Paulista Instituto de Biociências de Rio Claro Departamento de Biologia
dc.description.affiliationUnespUniversidade Estadual Paulista Instituto de Biociências de Rio Claro Departamento de Biologia
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.format.extent119-123
dc.identifierhttp://dx.doi.org/10.1590/S0101-81752001000500009
dc.identifier.citationRevista Brasileira de Zoologia. Sociedade Brasileira de Zoologia, v. 18, p. 119-123, 2001.
dc.identifier.doi10.1590/S0101-81752001000500009
dc.identifier.fileS0101-81752001000500009.pdf
dc.identifier.issn0101-8175
dc.identifier.scieloS0101-81752001000500009
dc.identifier.urihttp://hdl.handle.net/11449/20032
dc.language.isoeng
dc.publisherSociedade Brasileira de Zoologia
dc.relation.ispartofRevista Brasileira de Zoologia
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectApis melliferaen
dc.subjectDufour glanden
dc.subjectexocrine glandsen
dc.titleSize differences in the Dufour gland of Apis mellifera Linnaeus (Hymenoptera, Apidae) between and within the female castesen
dc.typeArtigo
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Rio Claropt

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Artigos - Biologia - IBRC