Acessibilidade / Reportar erro
• Rev. Bras. Zool. 16 (2) • Jun 1999 • https://doi.org/10.1590/S0101-81751999000200011   copiar

Distribuição geográfica e análise morfológica de Artibeus lituratus Olfers e de Artibeus fimbriatus Gray (Chiroptera, Phyllostomidae) no Rio Grande do Sul, Brasil

Geographical distribution and morphological analysis of Artibeus lituratus Olfers and Artibeus fimbriatus Gray (Chiroptera, Phyllostomidae) in Rio Grande do Sul, Brazil

Autoria SCIMAGO INSTITUTIONS RANKINGS

Resumo

A study has been made on the geographical distribution and comparative external and cranial morphological analysis of Artibeus lituratus Olfers, 1818 and Artibeus fimbriatus Gray, 1838 (Chiroptera, Phyllostomidae) in the state of Rio Grande do Sul, Brazil. A. lituratus and A. fimbriatus were found to be sympatric in the state north to the "Planície Costeira", in the "Depressão Central", in the hillsides of "Serra Geral", and in the northern region of the state, areas previously covered by forests. The southernmost point for Artibeus Leach, 1821 distribution is 30º South, and A. lituratus and A. fimbriatus are the two species found more to the south. The two species studied do not show sexual dimorphism as to external characteristics. Cranial measurements revealed significant differences between males and females of A. lituratus in mandible length, which was significantly larger in females(p<5%), and between males and females of A. fimbriatus, in the length of the set of lower teeth and in the external width between the cingula of canine teeth, which were significantly larger in males (p<5%). No further morphological cranial differences were found between genders of both species. A. lituratus and A. fimbriatus can be externally distinguished by size, for A. lituratus is larger than A. fimbriatus as concerns all external dimensions analysed except for the tibia length (p<5%). The two species can also be differentiated by pelage colour, hair length, and facial stripes appearance. In the skull, a number of differences were found in rostrum format, in the developmental degree of supraorbital and post-orbital crests and pre-orbital and post-orbital processes, and in several cranial dimensions analysed.

Phyllostomidae; Artibeus lituratus; Artibeus fimbriatus; distribution; morphology; South Brazil

Phyllostomidae; Artibeus lituratus; Artibeus fimbriatus; distribution; morphology; South Brazil

Distribuição geográfica e análise morfológica de Artibeus lituratus Olfers e de Artibeus fimbriatus Gray (Chiroptera, Phyllostomidae) no Rio Grande do Sul, Brasil

Geographical distribution and morphological analysis of Artibeus lituratus Olfers and Artibeus fimbriatus Gray (Chiroptera, Phyllostomidae) in Rio Grande do Sul, Brazil

Ana Maria Rui; Marta Elena Fabián; João Oldair Menegheti

Departamento de Zoologia, Instituto de Biociências, Universidade Federal do Rio Grande do Sul. Avenida Paulo Gama, 90040-060 Porto Alegre, Rio Grande do Sul, Brasil

ABSTRACT

A study has been made on the geographical distribution and comparative external and cranial morphological analysis of Artibeus lituratus Olfers, 1818 and Artibeus fimbriatus Gray, 1838 (Chiroptera, Phyllostomidae) in the state of Rio Grande do Sul, Brazil. A. lituratus and A. fimbriatus were found to be sympatric in the state north to the "Planície Costeira", in the "Depressão Central", in the hillsides of "Serra Geral", and in the northern region of the state, areas previously covered by forests. The southernmost point for Artibeus Leach, 1821 distribution is 30º South, and A. lituratus and A. fimbriatus are the two species found more to the south. The two species studied do not show sexual dimorphism as to external characteristics. Cranial measurements revealed significant differences between males and females of A. lituratus in mandible length, which was significantly larger in females(p<5%), and between males and females of A. fimbriatus, in the length of the set of lower teeth and in the external width between the cingula of canine teeth, which were significantly larger in males (p<5%). No further morphological cranial differences were found between genders of both species. A. lituratus and A. fimbriatus can be externally distinguished by size, for A. lituratus is larger than A. fimbriatus as concerns all external dimensions analysed except for the tibia length (p<5%). The two species can also be differentiated by pelage colour, hair length, and facial stripes appearance. In the skull, a number of differences were found in rostrum format, in the developmental degree of supraorbital and post-orbital crests and pre-orbital and post-orbital processes, and in several cranial dimensions analysed.

Key words: Phyllostomidae, Artibeus lituratus, Artibeus fimbriatus, distribution, morphology, South Brazil

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

AGRADECIMENTOS. Ao CNPq pela concessão da bolsa de mestrado (contrato número 83.0350/94-2), que possibilitou a realização deste trabalho. À Fundação Zoobotânica do Rio Grande do Sul e ao Museu de Ciências e Tecnologia da Pontifícia Universidade Católica do Rio Grande do Sul pelo empréstimo de exemplares de suas coleções científicas. Ao Dr. Valdir Antônio Taddei pela confirmação da identificação de exemplares de

Artibeus.

Recebido em 10.X.1997; aceito em 07.IV.1999.

  • Barquez, R.M. & R.A. Ojeda. 1992. The bats (Mammalia: Chiroptera) of the Argentine Chaco. Ann. Carnegie Mus. 61 (3):239-261.
  • Davis, W.B. 1984. Review of the large fruit-eating bats of the Artibeus "lituratus" complex. (Chiroptera: Phyllostomidae) in Middle América. Occ. Pap. Mus. Texas Tech Univ. 93:1-16.
  • Handley Jr., C.O. 1987. New species of mammals from northern south America: fruit-eating bats, genus Artibeus Leach. Fieldiana Zool., new. ser., 39:163-172.
  • ______. 1989. The Artibeus of Gray 1838, p.443-468. In: K.H. Redford & J.F. Eisenberg (Eds). Advances in Neotropical Mammalogy. Gainesville, The Sandhill Crane Press, 614p.
  • ______. 1991. The identity of Phyllostoma planirostre Spix, 1823 (Chiroptera: Stenodermatinae). Bull. Amer. Mus. Nat. Hist. 206:12-17.
  • Ihering, H. von. 1895. Os mamíferos do Rio Grande do Sul. Anuário do Rio Grande do Sul, Porto Alegre, p. 41-77.
  • Jones, J.K. & D.C. Carter. 1976. Annotated checklist, with keys to subfamilies and genera, p.7-38. In: R.J. Baker; J.K. Jones Jr. & D.C. Carter (Eds). Biology of Bats of the New World Family Phyllostomatidae. Part I. Texas, Texas Tech University, 218p.
  • Koopman, K.F. 1982. Biogeography of the bats of South America, p.273-302. In: M.A. Mares & H.H. Genoways (Eds). Mammalian Biology in South America. Special Publication Series Pymatuning Laboratory of Ecology, University of Pittsburgh, Vol. 6, 539p.
  • Marques-Aguiar, S.A. 1994. A systematic review of the large species of Artibeus Leach, 1821 (Mammalia: Chiroptera) with some phylogenetic inferences. Bol. Mus. Para. Emílio Goeldi, sér. Zool., 10 (1):3-83.
  • Myers, P. & R.M. Wetzel. 1979. New records of mammals from Paraguay. Jour. Mamm. 60 (3):638-641.
  • ______. 1983. Systematics and zoogeography of the bats of the Chaco Boreal. Miscell. Publ. Mus. Zool. Univ. Michigan. 165:1-59.
  • Owen, R.D. 1987. Phylogenetic analyses of the bat subfamily Stenodermatinae (Mammalia: Chiroptera). Special Publ. Mus. Texas Tech Univ. 26:1-65.
  • Radam/Brasil. 1986. Levantamento de Recursos Naturais. Vol 33. Folha SH. 22 Porto Alegre e Parte das Folhas SH. 21 Uruguaiana e SI. 22 Lagoa Mirim. Rio de Janeiro, Secretaria de Planejamento da Presidência da República, Fundação Instituto Brasileiro de Geografia e Estatística, 791p.
  • Redford, K.H. & J.F. Eisenberg. 1992. Mammals of the Neotropics, The Southern Cone. Chicago, The University of Chicago Press, Vol. 2, 430p.
  • Santos, A.B. 1978. Identificação e dados bio-ecológicos dos quirópteros do Vale do Rio dos Sinos e arredores. Est. Leopold. 13 (45):75-127.
  • Taddei, V.A. 1979. Phyllostomidae (Chiroptera) do Norte-Ocidental do Estado de São Paulo. III - Stenodermatinae. Ciência e Cultura 31 (8):900-914.
  • Vieira, C.O.C. 1942. Ensaio monográfico sobre os quirópteros do Brasil. Arq. Zool. Est. São Paulo. 3 (8):219-471.
  • Vizotto, L.D. & V.A. Taddei. 1973. Chave para determinação de quirópteros brasileiros. Boletim de Ciências, Faculdade de Filosofia Ciências e Letras, São José do Rio Preto 1:1-72.
  • Wallauer, J.P. & E.P. Albuquerque. 1986. Lista preliminar dos mamíferos observados no Parque Florestal Estadual do Turvo, Tenente Portela, Rio Grande do Sul, Brasil. Roessléria, Belém, 8 (2):179-185.

Datas de Publicação

  • Publicação nesta coleção
    01 Jul 2009
  • Data do Fascículo
    Jun 1999

Histórico

  • Aceito
    07 Abr 1999
  • Recebido
    10 Out 1997
Creative Common - by-nc 4.0
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Sociedade Brasileira de Zoologia Caixa Postal 19020, 81531-980 Curitiba PR Brasil, Tel./Fax: +55 41 3266-6823, - Curitiba - PR - Brazil
E-mail: sbz@bio.ufpr.br
Acompanhe os números deste periódico no seu leitor de RSS