Staff View: Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group

Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group

Simulium (Gomphostilbia) omutaense Ogata & Sasa, 1954 is the only named species in the Simulium batoense species-group of the subgenus Gomphostilbia Enderlein recorded from Honshu and Kyushu, Japan. It represents the northernmost distribution of this species-group, of which most members are dist...

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Main Authors:	Takaoka, Hiroyuki, Fukuda, Masako, Otsuka, Yasushi, Low, Van Lun, Ya'cob, Zubaidah
Format:	Article
Published:	Elsevier 2022
Subjects:	R Medicine RV Botanic, Thomsonian, and eclectic medicine
Online Access:	http://eprints.um.edu.my/33717/
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spelling	my.um.eprints.337172022-07-19T09:54:17Z http://eprints.um.edu.my/33717/ Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group Takaoka, Hiroyuki Fukuda, Masako Otsuka, Yasushi Low, Van Lun Ya'cob, Zubaidah R Medicine RV Botanic, Thomsonian, and eclectic medicine Simulium (Gomphostilbia) omutaense Ogata & Sasa, 1954 is the only named species in the Simulium batoense species-group of the subgenus Gomphostilbia Enderlein recorded from Honshu and Kyushu, Japan. It represents the northernmost distribution of this species-group, of which most members are distributed in the Oriental region. This species, the only member of the Simulium omutaense subgroup, is unique among the seven subgroups of the S. batoense species-group by having the pupal gill with one long filament and seven short filaments, similar to the arrangement of the pupal gill filaments in the S. zonatum subgroup of the S. epistum species-group in the same subgenus. This species is fully redescribed based on adults, pupal exuviae and mature larvae, and is most similar to species of the S. decuplum subgroup, based on adult morphological characteristics, although the pupal gill of the latter subgroup is markedly different by having 10 or 12 short filaments. Its close relationship to the S. decuplum subgroup is supported by a DNA analysis using COI gene sequences, with genetic distances of 9.30-11.02%. On the other hand, genetic distances between S. (G.) omutaense and species of the S. zonatum subgroup were 16.32-16.93%. Our study shows that a similar arrangement of the pupal gills in two different species-groups, which is rarely seen, has evolved independently and its occurrence does not necessarily reflect phylogenetic relationships. Elsevier 2022-01 Article PeerReviewed Takaoka, Hiroyuki and Fukuda, Masako and Otsuka, Yasushi and Low, Van Lun and Ya'cob, Zubaidah (2022) Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group. Acta Tropica, 225. ISSN 0001-706X, DOI https://doi.org/10.1016/j.actatropica.2021.106207 <https://doi.org/10.1016/j.actatropica.2021.106207>. 10.1016/j.actatropica.2021.106207
institution	Universiti Malaya
building	UM Library
collection	Institutional Repository
continent	Asia
country	Malaysia
content_provider	Universiti Malaya
content_source	UM Research Repository
url_provider	http://eprints.um.edu.my/
topic	R Medicine RV Botanic, Thomsonian, and eclectic medicine
spellingShingle	R Medicine RV Botanic, Thomsonian, and eclectic medicine Takaoka, Hiroyuki Fukuda, Masako Otsuka, Yasushi Low, Van Lun Ya'cob, Zubaidah Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group
description	Simulium (Gomphostilbia) omutaense Ogata & Sasa, 1954 is the only named species in the Simulium batoense species-group of the subgenus Gomphostilbia Enderlein recorded from Honshu and Kyushu, Japan. It represents the northernmost distribution of this species-group, of which most members are distributed in the Oriental region. This species, the only member of the Simulium omutaense subgroup, is unique among the seven subgroups of the S. batoense species-group by having the pupal gill with one long filament and seven short filaments, similar to the arrangement of the pupal gill filaments in the S. zonatum subgroup of the S. epistum species-group in the same subgenus. This species is fully redescribed based on adults, pupal exuviae and mature larvae, and is most similar to species of the S. decuplum subgroup, based on adult morphological characteristics, although the pupal gill of the latter subgroup is markedly different by having 10 or 12 short filaments. Its close relationship to the S. decuplum subgroup is supported by a DNA analysis using COI gene sequences, with genetic distances of 9.30-11.02%. On the other hand, genetic distances between S. (G.) omutaense and species of the S. zonatum subgroup were 16.32-16.93%. Our study shows that a similar arrangement of the pupal gills in two different species-groups, which is rarely seen, has evolved independently and its occurrence does not necessarily reflect phylogenetic relationships.
format	Article
author	Takaoka, Hiroyuki Fukuda, Masako Otsuka, Yasushi Low, Van Lun Ya'cob, Zubaidah
author_facet	Takaoka, Hiroyuki Fukuda, Masako Otsuka, Yasushi Low, Van Lun Ya'cob, Zubaidah
author_sort	Takaoka, Hiroyuki
title	Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group
title_short	Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group
title_full	Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group
title_fullStr	Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group
title_full_unstemmed	Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group
title_sort	redescription of simulium (gomphostilbia) omutaense ogata & sasa (diptera: simuliidae) from japan and its phylogenetic relationship with other members of the s. batoense species-group
publisher	Elsevier
publishDate	2022
url	http://eprints.um.edu.my/33717/
_version_	1739828474653179904
score	13.211869

Redescription of Simulium (Gomphostilbia) omutaense Ogata & Sasa (Diptera: Simuliidae) from Japan and its phylogenetic relationship with other members of the S. batoense species-group

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