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Issue: Vol. 1619 No. 1: 19 Oct. 2007
Type: Article
Published: 2007-10-19
DOI: 10.11646/zootaxa.1619.1.3
Page range: 53–60
Abstract views: 27
PDF downloaded: 1

Hydromastodon sallesi, new genus and new species of Atalophlebiinae (Insecta: Ephemeroptera: Leptophlebiidae) from West and North of Brazil, and notes on systematics of Hermanella group

(C.M.P) Universidade de São Paulo, Faculdade de Filosofia, Ciências e Letras, Departamento de Biologia, Ribeirão Preto, São Paulo, 14040-901, Brazil
(J.D.B.) Universidade Estadual do Mato Grosso, Departamento de Biologia, Nova Xavantina, Mato Grosso, Cep: 78690-000, Brazil
Insecta Hydromastodon Atalophlebiinae new genus Brazil

Abstract

The genus Hydromastodon is described here with a new species H. sallesi, and a new combination: Hydromastodon (=Hydrosmilodon) mikei (Thomas & Boutonnet 2004). H. sallesi was described based on nymphs from Pindaíba Stream, near Nova Xavantina, State of Mato Grosso, and from Bem Querer Stream, State of Roraima, Brazil. Hydromastodon can be distinguished from other genera of the Hermanella group by presence of posterolateral spines on abdominal segments 6 or 7 to 9, tarsal claws with subequal denticles in two separate rows, without large subapical denticle, and clavate setae on legs. Hydromastodon seems to be closely related to Hydrosmilodon and Leentvaaria.

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