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Issue: Vol. 3399 No. 1: 25 Jul. 2012
Type: Articles
Published: 2012-07-25
DOI: 10.11646/zootaxa.3399.1.4
Page range: 45–52
Abstract views: 40
PDF downloaded: 1

The adults and nymphs of Asthenopus angelae new species (Ephemeroptera: Polymitarcyidae) from Argentina, Bolivia, Brazil and Colombia

Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Biologia, Departamento de Zoologia, Laboratório de Entomologia, Caixa Postal 68044, Cidade Universitária, CEP: 21941-971, Rio de Janeiro, RJ, Brasil Instituto Oswaldo Cruz (Fiocruz), Departamento de Entomologia, Núcleo de Morfologia e Ultraestrutura de Vetores, CEP: 21045-900, Manguinhos, Rio de Janeiro, Brasil Programa de Pós-Graduação em Biologia Animal, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Rio de Janeiro, Brasil
CONICET, Instituto de Biodiversidad Neotropical, Facultad de Ciencias Naturales e IML,Universidad Nacional de Tucumán, M. Lillo 205, San Miguel de Tucumán,4000, Tucumán, Argentina, UNASUR
Ephemeroptera Asthenopodinae burrowing mayfly Ephemeroidea taxonomy

Abstract

Asthenopus angelae sp. nov. is described based on male and female imagos and associated nymphs from Argentina,Bolivia, Brazil and Colombia. The new species described is similar to A. curtus (Hagen). The nymphal and adult femalestages are indistinguishable from those of that species. The male adults can be separated from its congeners by thefollowing characters: penes tubular, with well developed median basal protrusion, curved ventro-medially, with apexacutely projected, furrow separating penial lobe from median basal protrusion reduced or absent; forceps relativelyslender; forelegs of male 0.6–0.7 × the length of the forewing; fore tarsal claws slightly widening distally; fore wings with 5–11 marginal intercalary veins relatively short.

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