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Issue: Vol. 4341 No. 4: 2 Nov. 2017
Type: Article
Published: 2017-11-01
DOI: 10.11646/Zootaxa.4341.4.7
Page range: 554–562
Abstract views: 102
PDF downloaded: 3

Tricorythodes tragoedia sp. nov. (Ephemeroptera: Leptohyphidae), a new species from Rio Doce and surrounding areas, southeastern Brazil

Programa de Pós-Graduação em Ciências Biológicas (Biologia Animal), Universidade Federal do Espírito Santo (UFES), Vitória, Espírito Santo, Brazil. Laboratório de Sistemática e Ecologia de Insetos, Universidade Federal do Espírito Santo, Departamento de Ciências Agrárias e Biológicas, 29933-415, São Mateus, ES, Brazil. Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia, Departamento de Zoologia, Laboratório de Entomologia, Caixa Postal 68044, Cidade Universitária, 21941-971, Rio de Janeiro, RJ, Brazil.
Programa de Pós-Graduação em Ciências Biológicas (Biologia Animal), Universidade Federal do Espírito Santo (UFES), Vitória, Espírito Santo, Brazil. Laboratório de Sistemática e Ecologia de Insetos, Universidade Federal do Espírito Santo, Departamento de Ciências Agrárias e Biológicas, 29933-415, São Mateus, ES, Brazil.
Laboratório de Sistemática e Ecologia de Insetos, Universidade Federal do Espírito Santo, Departamento de Ciências Agrárias e Biológicas, 29933-415, São Mateus, ES, Brazil.
Ephemeroptera mayfly taxonomy aquatic insect South America Espírito Santo

Abstract

A new species of Tricorythodes Ulmer (Ephemeroptera: Leptohyphidae) is described and illustrated based on nymphs and adults from the Doce River and surrounding areas in southeastern Brazil. Tricorythodes tragoedia sp. nov. is related to T. arequita Traver, T. mirca Molineri and T. sallesi Dias, Cabette & De Sousa, but its nymphs can be distinguished from these species by having a three-segmented maxillary palp with apical seta and one pair of submarginal denticles on the tarsal claws. Nymphs were collected from small to large rivers at altitudes of less than 100 m where they inhabit submersed substrates in areas with slow current. Nymphs and adults were found throughout the year.

 

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