Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly

Xanthopygus as currently defined is the largest genus in the subtribe Xanthopygina (Coleoptera: Staphylinidae: Staphylininae) with 40 described species. However, the genus is poorly defined, morphologically heterogeneous and previous studies have questioned whether it is a natural group. A morpholog...

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Autor principal:	Stylianos Chatzimanolis
Formato:	article
Lenguaje:	EN
Publicado:	Pensoft Publishers 2021
Materias:	Zoology QL1-991
Acceso en línea:	https://doaj.org/article/1d4744e4158f494b849bef49edf98dbf
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spelling	oai:doaj.org-article:1d4744e4158f494b849bef49edf98dbf2021-11-19T04:30:11ZOut of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly10.3897/zookeys.1071.759471313-2970https://doaj.org/article/1d4744e4158f494b849bef49edf98dbf2021-11-01T00:00:00Zhttps://zookeys.pensoft.net/article/75947/download/pdf/https://zookeys.pensoft.net/article/75947/download/xml/https://zookeys.pensoft.net/article/75947/https://doaj.org/toc/1313-2970Xanthopygus as currently defined is the largest genus in the subtribe Xanthopygina (Coleoptera: Staphylinidae: Staphylininae) with 40 described species. However, the genus is poorly defined, morphologically heterogeneous and previous studies have questioned whether it is a natural group. A morphological (51 characters) Bayesian phylogenetic analysis was performed to test whether Xanthopygus is a monophyletic group. The analysis indicated that Xanthopygus was polyphyletic, and therefore species were split into four different genera. Xanthopygus nigricornis Scheerpeltz was transferred to Oligotergus as Oligotergus nigricornis comb. nov. and Xanthopygus skalitzkyi (Bernhauer) was transferred to Styngetus as Styngetus skalitzkyi comb. nov. A new genus, Photinopygus gen. nov. was erected to accommodate the majority of the species previously in Xanthopygus and Xanthopygus sensu novo is used in a new restricted sense to accommodate the remaining species. Diagnostic features are provided to distinguish species in the genera Photinopygus and Xanthopygus from each other and all other Xanthopygina genera.Stylianos ChatzimanolisPensoft PublishersarticleZoologyQL1-991ENZooKeys, Vol 1071, Iss , Pp 83-107 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Zoology QL1-991
spellingShingle	Zoology QL1-991 Stylianos Chatzimanolis Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly
description	Xanthopygus as currently defined is the largest genus in the subtribe Xanthopygina (Coleoptera: Staphylinidae: Staphylininae) with 40 described species. However, the genus is poorly defined, morphologically heterogeneous and previous studies have questioned whether it is a natural group. A morphological (51 characters) Bayesian phylogenetic analysis was performed to test whether Xanthopygus is a monophyletic group. The analysis indicated that Xanthopygus was polyphyletic, and therefore species were split into four different genera. Xanthopygus nigricornis Scheerpeltz was transferred to Oligotergus as Oligotergus nigricornis comb. nov. and Xanthopygus skalitzkyi (Bernhauer) was transferred to Styngetus as Styngetus skalitzkyi comb. nov. A new genus, Photinopygus gen. nov. was erected to accommodate the majority of the species previously in Xanthopygus and Xanthopygus sensu novo is used in a new restricted sense to accommodate the remaining species. Diagnostic features are provided to distinguish species in the genera Photinopygus and Xanthopygus from each other and all other Xanthopygina genera.
format	article
author	Stylianos Chatzimanolis
author_facet	Stylianos Chatzimanolis
author_sort	Stylianos Chatzimanolis
title	Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly
title_short	Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly
title_full	Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly
title_fullStr	Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly
title_full_unstemmed	Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly
title_sort	out of xanthopygus (coleoptera: staphylinidae): escape from polyphyly
publisher	Pensoft Publishers
publishDate	2021
url	https://doaj.org/article/1d4744e4158f494b849bef49edf98dbf
work_keys_str_mv	AT stylianoschatzimanolis outofxanthopyguscoleopterastaphylinidaeescapefrompolyphyly
_version_	1718420361434890240

Out of Xanthopygus (Coleoptera: Staphylinidae): escape from polyphyly

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