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Análise filogenética de Metapolybia Ducke, 1905 (Hymenoptera: Vespidae, Polistinae)

Authors: Cortes, Gustavo Bellini;

Análise filogenética de Metapolybia Ducke, 1905 (Hymenoptera: Vespidae, Polistinae)

Abstract

Metapolybia é um gênero de vespas sociais pertencente à Epiponini, composto atualmente por 18 espécies descritas, que ocorrem exclusivamente na região Neotropical. Foi descrito em 1905 para conter apenas uma espécie, M. cingulata, e subsequentemente revisado por diversos autores. Apesar disso, nenhuma hipótese filogenética foi proposta para o gênero até hoje. Desde sua útlima revisão realizada, seis novas espécies já foram descritas e a não houve atualização da chave de identificação. Este trabalho buscou-se testar o monofiletismo de Metapolybia e propor uma hipótese filogenética para as espécies do gênero. Foi realizada também a atualização da chave de identificação, com a adição de sete espécies descritas recentemente. Para as análises filogenéticas, utilizou-se os critérios de parcimônia e de inferência Bayesiana, utilizando dados morfológicos, comportamentais e moleculares. Uma matriz com 31 táxons terminais e 624 caracteres foi obtida, sendo 43 morfológicos, 8 comportamentais e 573 moleculares. O gênero Metapolybia foi recuperado como monofilético, suportado por cinco sinapomorfias morfológicas e comportamentais. A análise utilizando apenas os dados morfológicos e comportamentais mostrou-se mais suportada e informativa, e será preferencialmente discutida neste trabalho. O relacionamento entre Metapolybia e os demais táxons utilizados como grupos externos foram recuperados de forma similar a outros trabalhos que proporam hipóteses filogenéticas para a tribo Epiponini e para a família Vespidae, com algumas divergências nas análises com dados moleculares. De maneira geral, dois clados foram recuperados no gênero Metapolybia e essa topologia foi congruente com alguns caracteres utilizados anteriormente para identificação do gênero e das espécies pertencentes a ele. As análises com diferentes conjuntos de dados, apesar de algum nível de congruência, mostraram algumas discrepâncias ou baixo grau de resolução entre as espécies. Esse fato pode ser atribuído à falta de dados moleculares para parte das espécies de Metapolybia. Este trabalho apresenta a primeira hipótese filogenética para as espécies do gênero Metapolybia e, também a utilizar dados concatenados para o grupo.

The genus Metapolybia comprises 18 species described of social wasps within Epiponini, distributed in Neotropical region. The genus was described in 1905 to one species, M. cingulata, and has been revised by different authors, however there is no phylogenetic hypothesis propose to the genus. Besides, since the most recent revision, six new species were described, and the idetification key hasn’t been updated. Herein, we tested the monophyly of Metapolybia and proposed a phylogetic hypothesis for the species of the genus. Also, we produced an updated key for the species, including the seven species recently described. A cladistic analysis were carried out employing morphlogical, behavior and molecular data under the maximum parsimony and Bayesian inference method. The final matrix contains 31 taxa and 624 characters, being 43 morphological, 8 behavioral and 573 molecular. The genus Metapolybia were recovered as monophyletic, supported by five morphological and behavioral synapomorphies. The analysis with this data set showed more irformative and supported results than with molecular data, and will be preferably discussed in this paper. The relationship between Metapolybia and the other taxa used within tha outgroup were recovered similarly, with some exceptions, to others works about the phylogeny of Epiponini or Vespidae. In general, two clades were recovered within the genus Metapolybia and the overall topology of the trees were congruente with some taxonomy characters showing also phylogenetic importance. The anaysis with differents sets of data, although some congruence, showed discrepant results or low resolution between species. That may be due to the missing molecular data from 12 species of Metapolybia. For the last, this work proposes the first phylogenetic hypothesis for the genus Metapolybia employing combined data for the group.

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Pós-graduação em Biologia Animal - IBILCE

CAPES: 001

Country
Brazil
Keywords

Filogenia, Vespas sociais, Taxonomia, Social wasps, Phylogeny, Taxonomy

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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Green