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Issue: Vol. 4285 No. 1: 28 Jun. 2017
Type: Monograph
Published: 2017-06-28
DOI: 10.11646/zootaxa.4285.1.1
Page range: 1–81
Abstract views: 149
PDF downloaded: 3

Systematics of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae)

Coordenação de Biodiversidade, Divisão de Curso de Entomologia, Instituto Nacional de Pesquisas da Amazônia, CEP 69067-375, Manaus, AM, Brazil.
Laboratório de Sistemática e Ecologia de Insetos, Depto. de Ciências Agrárias e Biológicas, Universidade Federal do Espírito Santo, CEP 29.933-415, São Mateus, ES, Brazil.
Coordenação de Biodiversidade, Divisão de Curso de Entomologia, Instituto Nacional de Pesquisas da Amazônia, CEP 69067-375, Manaus, AM, Brazil.
Ephemeroptera aquatic insects mayflies cladistic Neotropical region identification keys

Abstract

In the present paper, based on specimens from different regions of Brazil, we review the current knowledge of the Neotropical genus Simothraulopsis. A phylogenetic study was performed in order to address the relationships between all species and to test the monophyly of Simothraulopsis. For this purpose, 48 characters related to the external morphology of adults and nymphs were investigated. As a result, four new species are described; S. caliginosus sp.nov., S. dominguezi sp. nov., S. eurybasis sp. nov., S. inaequalis sp. nov. New taxonomic and biological information are added to this genus. Nymphs of S. diamantinensis Mariano, 2010 and S. janae Mariano, 2010 are described for the first time and several new distributional records for Brazil are provided. Additionally, keys for male imagos and nymphs of the genus are proposed. The phylogenetic analysis corroborated the monophyly of Simothraulopsis, however, the division in two subgenera as previously proposed was not recovered in our reconstruction.

 

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