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Issue: Vol. 5027 No. 1: 30 Aug. 2021
Type: Article
Published: 2021-08-30
DOI: 10.11646/zootaxa.5027.1.8
Page range: 136-144
Abstract views: 461
PDF downloaded: 14

Description of nymph of Brasilocaenis atawallpa Lima, Molineri, Vieira, Pinheiro & Salles, 2019 (Ephemeroptera: Caenidae) and notes on its taxonomic status

Programa de Pós-graduação em Entomologia, Instituto Nacional de Pesquisas da Amazônia—INPA, Manaus, Amazonas, Brazil.
Programa de Pós-graduação em Entomologia, Instituto Nacional de Pesquisas da Amazônia—INPA, Manaus, Amazonas, Brazil. Universidade Federal de Rondônia—UNIR, Programa de Pós-Graduação em Ciências Ambientais, Laboratório de Biodiversidade e Conservação, Rondônia, Brazil.
Programa de Pós-graduação em Ecologia Aquática e Pesca, Universidade Federal do Pará—UFPA, Laboratório de Ecologia e Conservação, Belém, Pará, Brazil.
Programa de Pós-graduação em Zoologia, Universidade Federal do Pará—UFPA, Laboratório de Ecologia e Conservação, Belém, Pará, Brazil.
Programa de Pós-graduação em Ecologia Aquática e Pesca, Universidade Federal do Pará—UFPA, Laboratório de Ecologia e Conservação, Belém, Pará, Brazil. Programa de Pós-graduação em Zoologia, Universidade Federal do Pará—UFPA, Laboratório de Ecologia e Conservação, Belém, Pará, Brazil.
Programa de Pós-graduação em Ecologia Aquática e Pesca, Universidade Federal do Pará—UFPA, Laboratório de Ecologia e Conservação, Belém, Pará, Brazil. 4Programa de Pós-graduação em Zoologia, Universidade Federal do Pará—UFPA, Laboratório de Ecologia e Conservação, Belém, Pará, Brazil.
Universidade Estadual do Piauí—UESPI, Campus Heróis do Jenipapo, Laboratório de Biodiversidade, Campo Maior, Piauí, Brazil.
Ephemeroptera Pannota Square-gilled mayfly Aquatic Insect Amazon

Abstract

Brasilocaenis atawallpa was recently described based on male imago from Colombian Amazon. The original description does not contain a designation of type specimens or locality, and it just states that the type series was studied in order to perform the cladistic analysis. In this context, we herein designate the lectotype and paralectotypes of B. atawallpa and describe its nymphal stage. The nymphs were associated to B. atawallpa by the male genitalia extracted from mature nymphs. The nymphal stage of B. atawallpa can be differentiated from others known nymphs of the genus by absence of pointed microspines on opercular gill, fore coxa without projection, middle coxa with well-developed and semicircular projection, hind coxa with finger-like projection, fore and middle tarsal claws without denticles and hind margin of the ninth sternite almost straight.

 

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