期刊
EUROPEAN JOURNAL OF TAXONOMY
卷 806, 期 -, 页码 1-18出版社
MUSEUM NATL HISTOIRE NATURELLE
DOI: 10.5852/ejt.2022.806.1695
关键词
Riffl e beetles; Potamophilus; Borneo; integrative taxonomy
资金
- Slovak Research and Development Agency [APVV-19-0076]
- VEGA [1/0515/19]
Describes a new species of riffle beetle (Coleoptera, Elmidae) discovered in Kelabit Highlands and Sapulut environment, discusses its differences from other species and its systematic position based on phylogenetic analysis.
Potamophilus kelabitensis sp. nov., a new riffl e beetle (Coleoptera, Elmidae) discovered in the Kelabit Highlands (northern Sarawak) and Sapulut environment (southern Sabah), is described. Illustrations of the habitus and diagnostic characters of the new species are presented. Differences from the type species P. acuminatus (Fabricius, 1792) from the Palaearctic region, based on DNA barcodes and morphological characters, are discussed. Selected morphological characters of all known species of Potamophilus from Vietnam, Myanmar, and Papua New Guinea are also compared with the new species. The systematic position of the genus relative to other sympatric genera of the subfamilies Larainae LeConte, 1861 and selected Elminae Curtis, 1830 belonging to three tribes is discussed based on phylogenetic trees inferred from the mitochondrial COI and nuclear ArgK as well as 18S rRNA gene sequences.
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