análise cladística e biogeografia de ochlerini (heteroptera, pentatomidae, discocephalinae) cladistic analysis and biogeography of ochlerini (heteroptera, pentatomidae, discocephalinae)

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ID: 184173
2006
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Abstract
Neste trabalho foi realizada uma análise cladística, utilizando 63 caracteres, dos 30 gêneros da tribo Neotropical Ochlerini Rolston, no intuito de testar seu monofiletismo e estabelecer uma hipótese de parentesco. Janeirona Distant, 1911 (Pentatomini) e as tribos Discocephalini e Halyini foram incluídas no grupo-interno para testar seu relacionamento com Ochlerini; Marghita Ruckes, 1964 e Stictochilus Bergroth, 1918 (Pentatomini) foram utilizados como grupos-externos. Os cladogramas de consenso estrito obtidos indicam que Ochlerini e Discocephalinae são grupos monofiléticos, mas Pentatominae, Halyini+Ochlerini, Pentatomini+Ochlerini, Ochlerus Spinola, 1837, Stalius Rolston, 1992 e Alitocoris Sailer, 1950 são grupos merofiléticos. Discocephalini e Ochlerini compartilham três sinapomorfias: primeiro segmento do rostro longo, alcançando o prosterno; metasterno carenado longitudinalmente; e superfície dorsal do segmento X do macho membranosa no terço basal. Ochlerini é sustentada por uma sinapomorfia, a superfície dorsal do terceiro artículo metatarsal das fêmeas aplainada. Uma análise biogeográfica a partir dos cladogramas de consenso mostrou padrões congruentes com eventos vicariantes propostos para a região Neotropical.
A cladistic analysis using 63 characters and 30 genera of the Neotropical tribe Ochlerini Rolston was performed to test their monophyletic condition and to establish a relationship hypothesis. Janeirona Distant, 1911 (Pentatomini) and the tribes Discocephalini and Halyini were included in the ingroup to test their relationship with Ochlerini; Marghita Ruckes, 1964 and Stictochilus Bergroth, 1918 (Pentatomini) were used as outgroups. The obtained strict consensus cladograms indicate that Ochlerini and Discocephalinae are monophyletic groups, but Pentatominae, Halyini+Ochlerini, Pentatomini+Ochlerini, Ochlerus Spinola, 1837, Stalius Rolston, 1992 and Alitocoris Sailer, 1950 are merophyletic groups. Discocephalini and Ochlerini share three synapomorphies: first rostral segment long, attaining prosternum; metasternum with a mesial, longitudinal carina, and dorsal surface of basal third of male proctiger membranous. Ochlerini is supported by one synapomorphy, the flattened dorsal surface of third tarsal segment of hind legs, in females. Biogeographical analysis based on consensus cladograms shows congruent patterns with several vicariant events proposed for the Neotropical region.
Reference Key
campos2006iheringia:anlise Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Luiz A. Campos;Jocélia Grazia
Journal Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan
Year 2006
DOI
10.1590/S0073-47212006000200004
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212006000200004
Keywords
biogeography neotropical region

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