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Issue: Vol. 4378 No. 1: 7 Feb. 2018
Type: Article
Published: 2018-02-07
DOI: 10.11646/zootaxa.4378.1.5
Page range: 85–97
Abstract views: 136
PDF downloaded: 4

A new species of Platybaetis Müller-Liebenau, 1980 (Ephemeroptera: Baetidae) from Thailand, with description of the imago of Platybaetis bishopi Müller-Liebenau, 1980

Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
Museum of Zoology, Palais de Rumine, Place Riponne 6, CH-1005 Lausanne, Switzerland. Department of Ecology and Evolution, University of Lausanne, 1015 Lausanne, Switzerland
Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand.
Ephemeroptera Mayfly Baetidae South-East Asia Platybaetis nayokensis sp. nov.

Abstract

Platybaetis bishopi Müller-Liebenau, 1980 was originally described from Malaysia only at the larval stage. We provide the first description of the imaginal stage of P. bishopi based on materials from Thailand. The imago of this species can be separated from the known species by coloration of abdominal terga and coloration of wings. A new species, Platybaetis nayokensis sp. nov., is described based on male and female imagos and larvae from Thailand. The larva of this species is mainly distinguished by medium acute spines on the posterior margin of the abdominal terga and two apical setae on the glossa, which seem to be shorter than in other species. The imago can be separated by the abdominal color pattern. The larva of this genus is adapted to live on wet rocks projecting out of water; it prefers large stones near small waterfalls or areas between two large rocks in running water.

 

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