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SIMULIUM (TRICHODAGMIA) (DIPTERA, SIMULIIDAE) PHYLOGENY REVISITED: THE NEOTROPICAL AND AFROTROPICAL CONNECTION
Morfologia
Moscas negras
Região Neotropical
Região Afrotropical
Afiliación
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Simulídeos e Oncocercose. Coleção de Simulídeos do IOC. Referência Nacional em Simulídeos, Oncocercose e Mansonelose. Rio de Janeiro, RJ, Brasil.
Universidade Federal do Rio de Janeiro. Fórum de Ciência e Cultura. Museu Nacional. Departamento de Entomologia. Rio de Janeiro, RJ, Brasil.
Universidade Federal do Rio de Janeiro. Fórum de Ciência e Cultura. Museu Nacional. Departamento de Entomologia. Rio de Janeiro, RJ, Brasil.
Resumen en ingles
Simulium (Trichodagmia) Enderlein, 1934 has an unstable classification system. The broader concept of the subgenus includes five species-groups resulting from an extensive history of synonymisations, often outside of a phylogenetic framework. This concept also ignores relationship hypotheses with the Afrotropical subgenera S. (Anasolen) Enderlein, 1930, S. (Freemanellum) Crosskey, 1969, S. (Xenosimulium) Crosskey, 1969, and the Oviedoi species-group, with several Neotropical species of S. (Trichodagmia). We performed a morphological phylogenetic analysis to test the monophyly of S. (Trichodagmia), its species-groups, and their relationship with the above-mentioned subgenera and Oviedoi species-group. We analysed a data matrix with 69 terminal taxa and 62 characters under parsimony implied weights, with a range of concavities (k1–100), finding three categories of k. Our analysis concludes that S. (Trichodagmia) is not monophyletic, since Oviedoi and the Afrotropical subgenera group with its species-groups Tarsatum and Orbitale. Therefore, we propose a new classification for S. (Trichodagmia) by restricting it to the Orbitale species-group, revalidating S. (Hearlea) Vargas et al., 1946, S. (Hemicnetha) Enderlein, 1934, S. (Obuchovia) Rubtsov, 1947 and S. (Shewellomyia) Peterson, 1975, synonymysing S. (Xenosimulium) with S. (Anasolen), and erecting a new subgenus, S. (Disculter) subgen. nov. for Oviedoi. The geographical distribution of the groups involved is discussed.
Palabras clave en portugues
SistemáticaMorfologia
Moscas negras
Região Neotropical
Região Afrotropical
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