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Issue: Vol. 4868 No. 2: 27 Oct. 2020
Type: Article
Published: 2020-10-27
DOI: 10.11646/zootaxa.4868.2.2
Page range: 208–220
Abstract views: 171
PDF downloaded: 5

Vietnamella chebalingensis, a new species of the family Vietnamellidae (Ephemeroptera) from China based on morphological and molecular data

Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China
Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China
Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China
Chebaling National Nature Reserve, Shixing, Guangdong, China
Department of Entomology, College of Plant Protection, South China Agricultural University, Guangzhou 510642, Guangdong, China
Ephemeroptera mayfly nymph taxonomy COI Oriental region

Abstract

Vietnamella chebalingensis Tong, sp. nov. is described based on larval stage from China. The new species is distinguished from its congeners by the following combination of characters: body purple black with mottled white markings; length of inner pairs of cephalic projection approximately half of the outer pairs; posterior margin of abdominal tergites I–VI and VIII–X each with a pair of pointed projections, but tergite VII bearing only a single projection. The morphological evidence and molecular data (COI, Kimura 2-parameter) support that this new species represents the sixth species of the genus Vietnamella. An identification key to known larvae of the genus Vietnamella is provided.

 

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