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Issue: Vol. 5584 No. 4: 11 Feb. 2025
Type: Article
Published: 2025-02-11
DOI: 10.11646/zootaxa.5584.4.3
Page range: 505-522
Abstract views: 66
PDF downloaded: 5

Three New Species of Campsurus Eaton, 1868 (Ephemeroptera: Polymitarcyidae) and a List of Polymitarcyidae Banks, 1900 from Rondônia State, Brazil

Instituto Nacional de Pesquisas da Amazônia (INPA); Programa de Pós-Graduação em Entomologia (PPGEnt); Manaus; Amazonas; Brazil; Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Coordenação de Biodiversidade (CoBio); Laboratório de Citotaxonomia e Insetos Aquáticos; Manaus; Amazonas; Brazil; Universidade Federal de Rondônia (UNIR); Departamento de Biologia; Coleção Entomológica; Laboratório de Biologia e Diversidade de Insetos (LaBDIn); Porto Velho; Rondônia; Brazil.
Instituto Nacional de Pesquisas da Amazônia (INPA); Programa de Pós-Graduação em Entomologia (PPGEnt); Manaus; Amazonas; Brazil; Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Coordenação de Biodiversidade (CoBio); Laboratório de Citotaxonomia e Insetos Aquáticos; Manaus; Amazonas; Brazil; Universidade Federal de Rondônia (UNIR); Departamento de Biologia; Coleção Entomológica; Laboratório de Biologia e Diversidade de Insetos (LaBDIn); Porto Velho; Rondônia; Brazil.
Universidade Federal de Rondônia (UNIR); Departamento de Biologia; Coleção Entomológica; Laboratório de Biologia e Diversidade de Insetos (LaBDIn); Porto Velho; Rondônia; Brazil.
Universidade Federal de Rondônia (UNIR); Departamento de Biologia; Coleção Entomológica; Laboratório de Biologia e Diversidade de Insetos (LaBDIn); Porto Velho; Rondônia; Brazil.; Universidade Federal de Rondônia (UNIR); Graduação em Ciências Biológicas; Porto Velho; Rondônia; Brazil.
Universidade Estadual do Piauí (UESPI); Laboratório de Biodiversidade; Campos Herois do Jenipapo; Campo Maior; Piauí; Brazil
Instituto Nacional de Pesquisas da Amazônia (INPA); Coordenação de Pós-Graduação (COPOG); Divisão do Curso em Entomologia (DiEnt); Coordenação de Biodiversidade (CoBio); Laboratório de Citotaxonomia e Insetos Aquáticos; Manaus; Amazonas; Brazil
Universidade Federal de Rondônia (UNIR); Departamento de Biologia; Coleção Entomológica; Laboratório de Biologia e Diversidade de Insetos (LaBDIn); Porto Velho; Rondônia; Brazil.
Ephemeroptera Aquatic insects Campsurinae Asthenopodinae Priasthenopus Campsurus distribution

Abstract

This study addresses the Linnean and Wallacean deficits within the Polymitarcyidae Banks, 1900 in the state of Rondônia, Brazil. This state is significantly affected by anthropogenic activities such as agriculture and highway construction. Despite extensive research on the Polymitarcyidae in Brazil, particularly in the northern region, there has been a notable absence of data from Rondônia, creating a major gap in our understanding of its distribution. Collections conducted in Rondônia in 2016, 2018, and 2022 in 10 sites have recorded 13 species and the discovery of three new species: Campsurus fapero sp. nov. from the segnis-species group, described from male and female imago, presents pedestals bases distinctly separated in the middle, with outer projection longer than the inner projection and female sternum VIII with a pair of sockets; Campsurus lacia sp. nov., from the major-species group, is described from male and female adults and is characterized by large secondary lobe of penis, among other characteristics; and Campsurus machado sp. nov., with some characteristics of the latipennis-species group, is described from male imago, with sternum IX with posterior margin elongated and triangular. We give additional locality records for Campsurus albifilum (Walker, 1853), C. amapaensis Molineri & Emmerich, 2010, C. dasilvai Molineri & Salles, 2017, C. essequibo Traver, 1947, C. inusitatus Molineri & Salles, 2017, C. jorgenseni Esben-Petersen, 1912, C. latipennis (Walker, 1953), C. litaninensis Spieth, 1943, C. lucidus Needham & Murphy, 1924, C. nessimiani Molineri & Salles, 2017, C. segnis Needham & Murphy, 1924, C. violaceus Needham & Murphy, 1924, and Priasthenopus gilliesi (Domínguez, 1988). With this study, Rondônia becomes the second Brazilian state in species richness of Polymitarcyidae.

 

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