Caryomys inez (Thomas, 1908)
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publication ID |
https://doi.org/ 10.5281/zenodo.6707142 |
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DOI |
https://doi.org/10.5281/zenodo.6706746 |
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persistent identifier |
https://treatment.plazi.org/id/03F06D13-FFB3-207A-0D82-18FA0EDAF986 |
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treatment provided by |
Carolina |
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scientific name |
Caryomys inez |
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Kolan Red-backed Vole
French: Campagnol inez / German: Kolan-Rotelmaus / Spanish: Topillo rojo de Kolan
Other common names: Inez's Red-backed Vole, Inez’s Vole, Kolan Vole
Taxonomy. Microtus (Eothenomys) inez Thomas, 1908 View in CoL , “Mountains 12 miles [= 19 km] N.W. of Ko-lan-chow[= Kelan Xian], Shan-si [= Shanxi, China]. 7000’ [= 2134 m].”
In the past, C. inezwas included in Eothenomys. Two subspecies recognized.
Subspecies and Distribution.
C. i. inex Thomas, 1908 — C & S Shaanxi, Shanxi, S Hebei, W Henan, and WC Anhui (China).
C. i. nux Thomas, 1910 — Gansu, Ningxia, S Shaanxi, and N Sichuan (China). View Figure
Descriptive notes. Head-body 83- 110 mm, tail 22-46 mm; weight 12-32 g. The Kolan Red-backed Vole is small and slender, with tail shorter than on the Gansu Red-backed Vole ( C. eva ). Tail is relatively longer on subspecies nux (39-45% of head-body length) than on subspecies inez (34-42%). Females have two inguinal pairs of nipples. Fur is brown, lighter on inez (dull ocherous-buff) and darker on nux (deep wood-brown). Belly is lighter than back, feet are whitish or gray, and tail is indistinctly bicolored and darker above. Skull is less angular than in the Gansu Red-backed Vole and remains smooth in advanced age. Molars are as in the Gansu Red-backed Vole, except for longer M3 and more complex M
Habitat. Dry forests, brushland, and farmland in hilly regions with annual precipitation of 390-450 mm at elevations of 500-2150 m. Kolan Red-backed Voles are reportedly common in bottoms of narrow, wooded, and bushy valleys.
Food and Feeding. No information.
Breeding. Breeding season of the Kolan Red-backed Vole occurs in March—October. A female with two embryos was reported, lactating females were collected in late May, and young-of-the-year were captured in June.
Activity patterns. The Kolan Red-backed Vole is fossorial.
Movements, Home range and Social organization. The Kolan Red-backed Vole burrows in loose soil.
Status and Conservation. Classified as Least Concern on The IUCN Red List. The Kolan Red-backed Vole is endemic to central China, with an overall distribution of c.172,000 km®.
Bibliography. Li Yongxiang & Xue Xiangxu (2009), Lunde (2008), Luo Zexun et al. (2000), Shenbrot & Krasnov (2005), Ye Xiaodi et al. (2002).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
