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Registros recuperados: 7
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Anting behaviour with millipedes by the dendrocolaptid bird Xiphocolaptes albicollis in southeastern Brazil Biota Neotropica
Sazima,Ivan.
Several bird species practice anting. While anting a bird holds an ant or other arthropod that produces toxic or irritating secretions and rubs it on the plumage. Here I describe the White-collared Woodcreeper (Xiphocolaptes albicollis) rubbing its body with millipedes of the orders Spirostreptida and Polydesmida while foraging among banana stumps or at bromeliad clumps in southeastern Brazil. On three occasions I recorded the bird holding a millipede in the bill and rubbing it against its chest, belly, and wings. From time to time the millipede was "chewed", and hammered against the substratum and then rubbed on the plumage again. After a while the millipede was ingested or dropped. Bromeliads harbour a rich fauna that includes mosquitoes, ticks, spiders,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aves; Dendrocolaptidae; Anting behaviour; Foraging behaviour; Millipedes; Toxic secretion; "Xiphocolaptes albicollis".
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032009000100024
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Comparative cytogenetics in different populations of the cavernicolous diplopod Pseudonannolene strinatii (Diplopoda, Pseudonannolenidae) Iheringia, Sér. Zool.
Campos,Kleber A.; Fontanetti,Carmem S..
Different populations of Pseudonannolene strinatii Mauriès, 1974 collected from three caves in Iporanga, state of São Paulo, were cytogenetically compared using techniques of conventional coloration, C-banding and silver nitrate impregnation. Specimens were morphologically similar and small cytogenetic differences were observed between the populations with relation to the distribution of constitutive heterochromatin.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Millipedes; C-banding; Karyotype; AgNOR; Chromosomes.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212013000100006
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Description of a new species and the karyotype of the cavernicolous millipede Pseudonannolene Silvestri and the karyotype of Pseudonannolene strinatti Mauriès (Diplopoda, Pseudonannolenida, Pseudonannolenidae) Zoologia
Fontanetti,Carmem Silvia.
Pseudonannolene tocaiensis, sp.n. is described from Brazil, São Paulo, Itirapina. The karyotypes of P. tocaiensis, sp.n. and P. strinatti Mauriès, 1974 are also presented, both species are found in cave environments. P. tocaiensis has 2n=20, XY and P. strinatti, 2n=16; it was not possible to observe the sex determination mechanism in the latter.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diplopoda; Pseudonannolene; Cave millipedes; Cytogenetic; Millipedes.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000200012
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Description of three cave diplopods of Pseudonannolene Silvestri (Diplopoda, Pseudonannolenida, Pseudonannolenidae) Zoologia
Fontanetti,Carmem Silvia.
Three new species of Pseudonannolene Silvestri, 1895 diplopods are described: P. anapophysis (type locality, "Caverna Lapão", Bahia), P. imbirensis (type locality, "Caverna São Mateus", Imbira III, Goiás), and P. chaimowiczi (Minas Gerais, Bahia)
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diplopoda; Pseudonannolene; Millipedes; Cave fauna; Neotropics.
Ano: 1996 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751996000200013
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Life cycle of Poratia salvator (Diplopoda: Polydesmida: Pyrgodesmidae) Rev. Bras. Zool.
Pinheiro,Tamaris G.; Marques,Marinêz I.; Battirola,Leandro D..
Even though millipedes display high plasticity in their reproductive strategies, they are poorly studied in the tropical region. The present study describes the biological cycle and reports the parthenogenetic reproduction of Poratia salvator Golovatch & Sierwald, 2000 under environmental conditions. Collections were carried out in Pantanal of Mato Grosso and in Várzea Grande, state of Mato Grosso, Brazil. The individuals were kept at room temperature in individual plastic pots. All 18 females used in the experiment reproduced parthenogenetically, resulting in a total of 699 young individuals. Of these, 18% survived until the adult phase. The lowest survival rate of P. salvator was recorded for the first developmental stage (46%). The mean duration...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazil; Life history; Mato Grosso; Millipedes; Parthenogenesis; Reproduction.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000400010
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On the millipede genus Heteropyge: description of the adults of H. araguayensis and revalidation of H. bidens (Diplopoda: Spirostreptida: Spirostreptidae) Iheringia, Sér. Zool.
Iniesta,Luiz F. M.; Bouzan,Rodrigo S.; Brescovit,Antonio D..
ABSTRACT The South American genus Heteropyge Silvestri, 1897 is revised, accommodating now six accepted species. Adults of the poorly known species Heteropyge araguayensis (Schubart, 1947) are described for the first time from near-topotypic material collected near the Araguaia River, state of Mato Grosso, Brazil. In addition, based on recent samplings and on material from Schubart’s collection, H. bidens (Schubart, 1945) is removed from the synonymy of H. cayennophilus (Silvestri, 1897) and revalidated. Both species show significant differences concerning the gonopods and male leg-pair 1. New records and additional data for H. bidens and H. cayennophilus are provided, as well as an updated checklist of the species belonging to Heteropyge.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Neotropical region; Spirostreptini; Mato Grosso; Brazil; Millipedes.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212019000100232
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Two new Brazilian species of Chelodesmidae of the genera Iguazus and Tessarithys (Diplopoda: Polydesmida) Rev. Bras. Zool.
Bouzan,Rodrigo S.; Pena-Barbosa,João Paulo P.; Brescovit,Antonio D..
ABSTRACT Two new species of Chelodesmidae from the Brazilian northeast are described, Iguazus robustus sp. nov., from the state of Paraíba, and Tessarithys exacuminatus sp. nov., from the states of Pernambuco and Sergipe. Iguazus robustus sp. nov. differs from other species of the genus by having a constriction in the zone of the gonopodal acropodite tip and an extra branch at the tip of the acropodite. Tessarithys exacuminatus sp. nov. differs from the other species of the genus by the large and ascending subterminal dorsal branch of the prefemoral process of the gonopod. Brief reviews of the taxonomy, geographic distribution and a key for males of the respective genera are provided.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazil; Chelodesminae; Millipedes; Neotropical; Taxonomy.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100318
Registros recuperados: 7
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