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Issue: Vol. 4819 No. 1: 22 Jul. 2020
Type: Article
Published: 2020-07-22
DOI: 10.11646/zootaxa.4819.1.2
Page range: 6–48
Abstract views: 110
PDF downloaded: 6

Hexacylloepus Hinton, 1940 rises again; 18 new species of a neglected genus (Coleoptera: Byrrhoidea: Elmidae)

Laboratório de Coleoptera (LaC) - Museu de Zoologia da Universidade de São Paulo (MZSP). São Paulo, São Paulo State, Brazil. Programa de Pós-Graduação em Entomologia—Departamento de Biologia - Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCL-RP)—Universidade de São Paulo (USP). Ribeirão Preto, São Paulo State, Brazil.
Department of Life Sciences, Natural History Museum. London SW7 5BD, United Kingdom.
Programa de Pós-Graduação em Entomologia—Departamento de Biologia - Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCL-RP)—Universidade de São Paulo (USP). Ribeirão Preto, São Paulo State, Brazil. Laboratório de Biologia Aquática (LABIA). Departamento de Ciências Biológicas - Faculdade de Ciências e Letras de Assis (FCL)—Universidade Estadual Paulista “Júlio de Mesquita Filho” (Unesp). Assis, São Paulo State, Brazil.
Aquatic beetles Riffle Beetles Neotropical Taxonomy Morphology Coleoptera

Abstract

The genus Hexacylloepus extends from the Neotropical region to the southwestern United States of America. At present, 25 species are known from 20 countries, with no new species proposed since 1972. In this paper, we describe and illustrate 18 new species (H. barrae; H. calori; H. casariae; H. froehlichi; H. geiseri; H. grandis; H. iassu; H. keitai; H. maierae; H. manauara; H. metapa; H. phalluspilosus; H. shorti; H. taylorae; H. thoracica; H. tibialis; H. ubirajarai; H. zaninii), from eight countries and give the first records of the genus from Suriname and Guyana.

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