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Revista Brasileira de Entomologia
Article . 2008
Data sources: DOAJ
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Phylogeny of wasps of the genus Mischocyttarus de Saussure (Hymenoptera, Vespidae, Polistinae) Filogenia das vespas do gênero Mischocyttarus de Saussure (Hymenoptera, Vespidae, Polistinae)

Authors: Orlando Tobias Silveira;

Phylogeny of wasps of the genus Mischocyttarus de Saussure (Hymenoptera, Vespidae, Polistinae) Filogenia das vespas do gênero Mischocyttarus de Saussure (Hymenoptera, Vespidae, Polistinae)

Abstract

A phylogenetic analysis is presented of subgenera and species-groups of Mischocyttarus de Saussure, the largest genus of social wasps. The analysis is based on 62 morphological and nest architecture characters, coded for 71 terminals representing much of the taxonomic diversity within the genus, plus three outgroup terminals representing other polistine tribes. The main conclusions about phylogenetic relationships within the genus are based on parsimony analysis under implied weights. Monophyly of Mischocyttarus is confirmed as well as that of most of the previously recognized subgenera: Mischocyttarus s. str., Clypeopolybia, Monogynoecus, Scytokeraia, Phi, Kappa, Megacanthopus and Omega sensu Richards (1978). Haplometrobius as conceived by Richards (1978) is not a monophyletic taxon, but some of its species-groups are monophyletic. The groups of M.artifex and M.cerberus are raised to subgenus level, and a new concept of Haplometrobius restricts it to the group of M.iheringi (the type species of this subgenus) in the sense of this work. The concept of subgenus Omega is widened to include the species-groups of M.surinamensis and M.prominulus. Besides the new subgeneric classification presented, limits and diagnoses of all species-groups of the subgenera Phi and Haplometrobius sensu Richards (1978) are discussed, and a new key for all subgenera and species-groups of Mischocyttarus is also presented.O artigo apresenta um estudo filogenético dos subgêneros e grupos de espécies de Mischocyttarus de Saussure, o maior dos gêneros de vespas sociais. A análise é baseada em 62 caracteres morfológicos e de arquitetura de ninhos, codificados para 71 terminais representantes da diversidade taxonômica do gênero e mais três terminais correspondentes às outras três tribos de Polistinae. As conclusões principais sobre relações filogenéticas são extraídas de análises usando pesagem implícita de caracteres. O monofiletismo de Mischocyttarus é confirmado, assim como da maioria dos subgêneros previamente reconhecidos: Mischocyttarus s. str., Clypeopolybia, Monogynoecus, Scytokeraia, Phi, Kappa, Megacanthopus e Omega sensu Richards (1978). Haplometrobius tal como concebido por Richards (1978) não é um táxon monofilético, mas alguns de seus grupos de espécies são monofiléticos. Os grupos de M.artifex e M.cerberus são elevados à categoria de subgênero e um novo conceito mais restrito de Haplometrobius é adotado, circunscrito ao grupo de M.iheringi (a espécie tipo desse subgênero). O conceito do subgênero Omega é ampliado para incluir os grupos de espécies de M.surinamensis e M.prominulus. Além de uma nova classificação subgenérica, acompanhada de chave de identificação, discute-se também os limites e diagnoses de todos os grupos de espécies dos subgêneros Phi e Hamplometrobius sensu Richards (1978).

Keywords

QL1-991, Systematics, nova classificação, social wasps, new classification, Sistemática, vespas sociais, Zoology

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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
Average
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