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Friday, October 9th, 2020
Time |
Event |
6:19a |
[Mammalogy • 2020] Integrative Taxonomy and Phylogeography of Colomys and Nilopegamys (Rodentia: Muridae), Semi-aquatic Mice of Africa, with Descriptions of Two New Species
 | Colomys lumumbai
Giarla, Demos, Monadjem, Hutterer, Dalton, et al., 2020.
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Abstract The semi-aquatic African murine genera Colomys and Nilopegamys are considered monotypic and thought to be closely related to one another. Colomys occurs across forested regions of equatorial Africa, whereas Nilopegamys is known only from the Ethiopian holotype, making it among the rarest mammalian genera in the world – and possibly extinct. Using morphological and genetic data, we reassess the taxonomy of Colomys and Nilopegamys. A multilocus phylogeny with outgroups demonstrates that Nilopegamys is sister to Colomys. In addition, we recognize at least four morphologically diagnosable and genetically distinct species within Colomys: C. eisentrauti (elevated from subspecies and restricted to north-west Cameroon), C. goslingi (with a more restricted range than previously reported) and two new species (one from Liberia and Guinea and one from central and southern Democratic Republic of the Congo and Angola). We also review the status of four other taxa currently recognized within Colomys goslingi (bicolor, denti, goslingi and ruandensis) and demonstrate that these names lack phylogenetic and/or morphological support. Finally, we discuss potential biogeographic barriers that may have played a role in the evolution of Colomys and Nilopegamys, emphasizing the importance of rivers in both facilitating and, possibly, limiting dispersal within these genera.
antique DNA, morphometrics, phylogenetics, rivers, species delimitation, sub-Saharan Africa, systematic
 | Colomys lumumbai, wading in a stream to hunt.
Illustration: Velizar Simeonovski, Field Museum |
Thomas C. Giarla, Terrence C. Demos, Ara Monadjem, Rainer Hutterer, Desiré Dalton, Mnqobi L. Mamba, Emily A. Roff, Frank M. Mosher, Václav Mikeš, Christopher P. Kofron and Julian C. Kerbis Peterhans. 2020. Integrative Taxonomy and Phylogeography of Colomys and Nilopegamys (Rodentia: Murinae), Semi-aquatic Mice of Africa, with Descriptions of Two New Species. Zoological Journal of the Linnean Society. zlaa108. DOI: 10.1093/zoolinnean/zlaa108
New species of aquatic mice discovered, cousins of one of the world's rarest mammals
| 10:50a |
[Entomology • 2020] A Revision of the Australian Cicada Genus Punia Moulds, 2012 (Cicadidae: Cicadettinae: Cicadettini) with the Description of Four New Species
 | Punia species, adults in dorsal view. (1) Punia kolos sp.n., male; (2) P. kolos sp.n., female; (3) P. limpida sp.n., male, brown form; (4) P. limpida sp.n. male, green form; (5) P. limpida sp.n. female; (6) P. hyas sp.n., male; (7) P. hyas sp.n., female; (8) P. queenslandica sp.n., male; (9) P. queenslandica sp.n., female; (10) P. minima (Goding & Froggatt, 1904), male.Moulds, 2020 |
Abstract Punia minima (Goding & Froggatt, 1904) from the Northern Territory is redescribed and the female described for the first time. Four new species found across the monsoonal north of Australia are documented: P. hyas sp.n., P. limpida sp.n., P. kolos sp.n. and P. queenslandica sp.n. A key to all five species is provided and their phylogenetic relationships discussed.
Keywords: Hemiptera, Cicadoidea, monsoonal cicadas, key to Punia species
 | Punia species, adults in dorsal view. (1) Punia kolos sp.n., male; (2) P. kolos sp.n., female; (3) P. limpida sp.n., male, brown form; (4) P. limpida sp.n. male, green form; (5) P. limpida sp.n. female; (6) P. hyas sp.n., male; (7) P. hyas sp.n., female; (8) P. queenslandica sp.n., male; (9) P. queenslandica sp.n., female; (10) P. minima (Goding & Froggatt, 1904), male. |
M.S. Moulds. 2020. A Revision of the Australian Cicada Genus Punia Moulds, 2012 (Cicadidae: Cicadettinae: Cicadettini) with the Description of Four New Species. Zootaxa. 4860(1); 101–115. DOI: 10.11646/zootaxa.4860.1.5
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