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Saturday, January 4th, 2025
| Time | Event | ||||
| 3:19a | [Botany • 2025] Colchicum akanii (Colchicaceae) • A New long-necked Species from Turkey
Colchicum akanii Sonay, M. Keskin & Balos (Colchicaceae) from Elazığ, eastern Turkey, is described as a new species. It is morphologically similar to C. balansae and C. macrophyllum, but differs from them mainly by the structure of the corm and outer and inner tunics, cataphyll colour, leaf shape and size, tessellate perigon, filament that is much shorter than tepals, as well as capsule and seed structure. Following the IUCN criteria, we assessed C. akanii to be Critically Endangered (CR).   Colchicum akanii Sonay, M. Keskin & Balos Keskin M., Sonay V. & Balos M.M. 2025. Colchicum akanii (Colchicaceae), A New long-necked Species from Turkey. Ann. Bot. Fennici. 62: 11–17. | ||||
| 3:27a | [Crustacea • 2024] Proasellus abini • A New Species of the Genus Proasellus (Isopoda: Asellidae) from the Abin River Basin, with the preliminary data on the Diversity of the Genus in the southwestern foothills of the Russian Caucasus
ABSTRACT A new stygobiotic species of the genus Proasellus Dudich, 1925 (Crustacea: Isopoda: Asellidae), Proasellus abini sp. n., is described from the hyporheic habitats and groundwater of the Abin River basin, located in the southwestern foothills of the Caucasian Ridge. The new species is morphologically and genetically close to Proasellus linearis Birštein, 1967, known from the Evstafiev Sсhel (=Ashamba River) near Gelendzhik. Data on phylogeny, ecology and feeding of the species and other SW Caucasian species of the genus are also presented in the paper. KEY WORDS: Crustacea, diversity, Proasellus, new species, hyporhea, stygobiotic, southwestern Caucasus, Russia.
Proasellus abini sp. n. Marin I.N. and Sinelnikov S.Yu. 2024. A New Species of the Genus Proasellus (Crustacea: Isopoda: Asellidae) from the Abin River Basin, with the preliminary data on the Diversity of the Genus in the southwestern foothills of the Russian Caucasus. Invertebrate Zoology. 21(1); 81–93. x.com/iee_ras/status/1871075641082237437 | ||||
| 4:17a | [Mammalogy • 2024] Neodon lhozhagensis • A New Species of Mountain Vole (Rodentia: Cricetidae: Neodon) from south Xizang, China
Abstract A survey of small mammals conducted on the Qinghai-Xizang Plateau in August 2023 yielded a series of specimens of a distinctive and previously unidentified Neodon species from high-altitude shrubland and grassland habitats at elevations of 2800–4000 m in Lhozhag County, Xizang, China. This study employed an integrative approach, combining molecular and morphological evidence to determine the taxonomic placement of the species. Results confirmed that these specimens represent a new species, formally described herein as Neodon lhozhagensis sp. nov. The new species can be distinguished from all other Neodon species based on larger body size, longer tail, five closed triangles in first lower molar, and obvious interorbital crest. Molecular analysis strongly supported Neodon lhozhagensis sp. nov. as a monophyletic clade that diverged from its sister taxon, Neodon tsonaensis, approximately 0.89–1.68 million years ago. Kimura-2-parameter genetic distances of the complete cytochrome b gene between Neodon lhozhagensis sp. nov. and other nominal Neodon species ranged from 9.3% to 12.8%. This discovery underscores the importance of continued efforts to investigate and document the biodiversity of the Himalayan region. Keywords: Neodon, Small mammals, Taxonomy, Morphology, Molecular systematics
Neodon lhozhagensis Wang & Jiang, sp. nov. Suggested common name: Lhozhag mountain vole, 洛扎松田鼠. Diagnosis: The M1 of Neodon lhozhagensis sp. nov. possesses five closed triangles anterior to the posterior transverse space, a characteristic shared with N. clarkei, N. bershulaensis, and N. linzhiensis, but distinct from all other known species of the genus. The interorbital crest is prominently developed, differentiating it from N. bershulaensis (Figure 5). Compared to N. clarkei, Neodon lhozhagensis sp. nov. has a longer incisive foramina (5.4±0.3 mm vs. 4.9±0.4 mm) and a wider interorbital breadth (4.2±0.2 mm vs. 4.0±0.1 mm). Additionally, the new species is characterized by a larger body size, including a longer tail and a greater relative tail length (TL=50–65 mm; TL/HB=41.67%–54.17%) compared to N. linzhiensis (TL=27–37 mm; TL/HB=30.00%–35.24%). Etymology: The specific name lhozhag is derived from Lhozhag County, the type locality of the new species, and –ensis is Latin for “belonging to”. Distribution: The Lhozhag mountain vole is presently known only from Lhozhag County, south Xizang, China, at elevations of 2800–4000 m a.s.l. It is allopatric with other Neodon species. Habitat: Bamboo forests, coniferous forests, and shrubs. Si-Yuan Wang, Yi-Xian Li, Quan Li, Wen-Yu Song, Hong-Jiao Wang, Shui-Wang He, Kenneth Otieno Onditi, Laxman Khanal, Xue-You Li, Zhong-Zheng Chen and Xue-Long Jiang. 2024. A New Species of Mountain Vole (Rodentia, Cricetidae, Neodon) from south Xizang, China. Zoological Research: Diversity and Conservation. 1(4); 282-289. DOI: doi.org/10.24272/j.issn.2097-3772.2024.0 |
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