Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines

Two new species of Limnichidae beetles, Byrrhinus negrosensis sp. nov. and Byrrhinus villarini sp. nov., are described from the Island of Negros in the Philippines. The adult specimens of the new species can be differentiated by patterns of body punctation, colour and orientation of elytral pubescen...

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Autores principales:	Emmanuel D. Delocado, Hendrik Freitag
Formato:	article
Lenguaje:	EN
Publicado:	Pensoft Publishers 2021
Materias:	Zoology QL1-991
Acceso en línea:	https://doaj.org/article/c63035bd5ca64e8da83165e1a04d3f4e
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spelling	oai:doaj.org-article:c63035bd5ca64e8da83165e1a04d3f4e2021-11-12T04:30:26ZTwo new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines10.3897/zookeys.1070.705311313-2970https://doaj.org/article/c63035bd5ca64e8da83165e1a04d3f4e2021-11-01T00:00:00Zhttps://zookeys.pensoft.net/article/70531/download/pdf/https://zookeys.pensoft.net/article/70531/download/xml/https://zookeys.pensoft.net/article/70531/https://doaj.org/toc/1313-2970Two new species of Limnichidae beetles, Byrrhinus negrosensis sp. nov. and Byrrhinus villarini sp. nov., are described from the Island of Negros in the Philippines. The adult specimens of the new species can be differentiated by patterns of body punctation, colour and orientation of elytral pubescence, posterolateral angle of pronotum, tarsomere length ratio and aedeagal form. Two clades, representing the two new species, were retrieved in the Maximum Likelihood gene tree using the 3’-end of the COI gene. Maximum genetic divergence within B. negrosensis sp. nov. and B. villarini sp. nov. were recorded to be 2.3% and 1.3%, respectively, while the mean interspecific divergence between the two new species was 19.7%. Morphological descriptions, digital photographs and COI sequences were provided for the two species. The state of knowledge of Byrrhinus is reviewed and an updated Philippine checklist is provided. By coupling morphological and molecular data, this paper provides the first additional new species of Philippine Byrrhinus in the last 28 years.Emmanuel D. DelocadoHendrik FreitagPensoft PublishersarticleZoologyQL1-991ENZooKeys, Vol 1070, Iss , Pp 51-72 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Zoology QL1-991
spellingShingle	Zoology QL1-991 Emmanuel D. Delocado Hendrik Freitag Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines
description	Two new species of Limnichidae beetles, Byrrhinus negrosensis sp. nov. and Byrrhinus villarini sp. nov., are described from the Island of Negros in the Philippines. The adult specimens of the new species can be differentiated by patterns of body punctation, colour and orientation of elytral pubescence, posterolateral angle of pronotum, tarsomere length ratio and aedeagal form. Two clades, representing the two new species, were retrieved in the Maximum Likelihood gene tree using the 3’-end of the COI gene. Maximum genetic divergence within B. negrosensis sp. nov. and B. villarini sp. nov. were recorded to be 2.3% and 1.3%, respectively, while the mean interspecific divergence between the two new species was 19.7%. Morphological descriptions, digital photographs and COI sequences were provided for the two species. The state of knowledge of Byrrhinus is reviewed and an updated Philippine checklist is provided. By coupling morphological and molecular data, this paper provides the first additional new species of Philippine Byrrhinus in the last 28 years.
format	article
author	Emmanuel D. Delocado Hendrik Freitag
author_facet	Emmanuel D. Delocado Hendrik Freitag
author_sort	Emmanuel D. Delocado
title	Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines
title_short	Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines
title_full	Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines
title_fullStr	Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines
title_full_unstemmed	Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines
title_sort	two new species of byrrhinus motschulsky, 1858 (coleoptera, limnichidae, limnichinae) from negros, philippines
publisher	Pensoft Publishers
publishDate	2021
url	https://doaj.org/article/c63035bd5ca64e8da83165e1a04d3f4e
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Two new species of Byrrhinus Motschulsky, 1858 (Coleoptera, Limnichidae, Limnichinae) from Negros, Philippines

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