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Issue: Vol. 4388 No. 1: 1 Mar. 2018
Type: Article
Published: 2018-02-28
DOI: 10.11646/zootaxa.4388.1.8
Page range: 111–122
Abstract views: 69
PDF downloaded: 1

A new black fly (Diptera: Simuliidae) species of the subgenus Asiosimulium Takaoka & Choochote from Thailand

Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen, 40002 Thailand.
Walai Rukhavej Botanical Research Institute, Mahasarakham University, Kantharawichai District, Maha Sarakham, 44150 Thailand.
Department of Biology, Faculty of Science, Mahasarakham University, Kantharawichai District, Maha Sarakham, 44150 Thailand 4Biodiverstiy and Traditional Knowledge Research Unit, Mahasarakham University, Kantharawichai District, Maha Sarakham, 44150 Thailand. Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham 44150 Thailand. Phone: 66-43754245.
Diptera Simulium Asiosimulium black fly COI DNA barcode

Abstract

A new black fly species of the subgenus Asiosimulium Takaoka & Choochote of the genus Simulium was recognized from northeastern Thailand based on morphology, mitochondrial DNA and ecology. This black fly species has similar morphological characteristics to Simulium oblongum Takaoka and Choochote that was also described from the same geographic region in all life stages. However, this new species could be distinguished at the adult stage by coloration of the maxillary palp and in the larval stage by the presence of a pigmented subesophageal ganglion that is lacking in S. oblongum. Genetic distance and phylogenetic analyses based on mitochondrial cytochrome c oxidase I sequences clearly differentiated the two species with minimum genetic distance of 3.51%. These species are also ecologically isolated as S. oblongum is found only at low elevation (<650 m above sea level) but the new species occurs only at high elevation (>1,100 m above sea level).

 

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