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Issue: Vol. 5263 No. 4: 11 Apr. 2023
Type: Article
Published: 2023-04-11
DOI: 10.11646/zootaxa.5263.4.4
Page range: 531-540
Abstract views: 153
PDF downloaded: 99

The imaginal and nymphal morphology of Gilliesia pulchra Zhou, 2004 and its contribution to understanding generic phylogeny (Ephemeroptera: Leptophlebiidae)

The Key Laboratory of Jiangsu Biodiversity and Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing 210023; China
The Key Laboratory of Jiangsu Biodiversity and Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing 210023; China
Ephemeroptera nymph character Gilliesia phylogeny China

Abstract

The nymphs of the leptophlebiid mayfly Gilliesia pulchra Zhou, 2004 have not been reported before, which inhibits deeper understanding of the taxonomy and phylogenetic position of this species and its genus. In 2022, we reared nymphs from southwestern China to the adult stage. All stages are described and photographed here. Nymphs of this species have single deeply-forked gills, somewhat elongated maxillary palpi and two setal tufts on the lingua. Its imaginal characteristics, including wings and penes, are quite similar to G. hindustanica (Gillies, 1951), the type species of the genus. Comparatively, the third species of the genus, G. ratchaburiensis Boonsoong & Sartori, 2015, seems less similar, both in adults and nymphs. Generally, features of G. pulchra nymphs link the two genera Gilliesia Peters & Edmunds, 1970 and Habrophlebiodes Ulmer, 1919 together, while features of the nymphs of G. ratchaburiensis bridge the genera Gilliesia and Dipterophlebiodes Demoulin, 1954.

 

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