Eothenomys olitor (Thomas, 1911)

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr, 2017, Cricetidae, Handbook of the Mammals of the World – Volume 7 Rodents II, Barcelona: Lynx Edicions, pp. 204-535 : 309

publication ID

https://doi.org/ 10.5281/zenodo.6707142

DOI

https://doi.org/10.5281/zenodo.6706777

persistent identifier

https://treatment.plazi.org/id/03F06D13-FF8E-2047-084F-12C70F7BF43B

treatment provided by

Carolina

scientific name

Eothenomys olitor
status

 

70. View Plate 11: Cricetidae

Black-eared Red-backed Vole

Eothenomys olitor View in CoL

French: Campagnol a oreilles noires / German: SchwarzohrRotelmaus / Spanish: Topillo rojo de orejas negras

Other common names: Black-eared Chinese Vole, Chaotung Vole

Taxonomy. Microtus (Eothenomys) olitor Thomas, 1911 , “Chao-tung-fu [= Zhaotung Xian, Yunnan, China].”

Eothenomys olitor 1s placed in the subgenus Anteliomys . It is closely related to E. proditor . Two subspecies recognized.

Subspecies and Distribution.

E.o.olitorThomas,1911—WYunnan(China).

E. o. hypolitor Wang & Li, 2000 — NE Yunnan (China). View Figure

Descriptive notes. Head-body 80-92 mm, tail 29-39 mm; weight 13-15 g. The Blackeared Red-backed Vole is the smallest species of FEothenomys. Tail is relatively long, c.40% of head-body length. Furis silky, blackish brown throughout butslightly lighter below. Feet and tail are dark brown; ears are decidedly black and contrast dorsal fur. Skull is small, lightly built, and flattened. Molars are hypsodont, and second upper molar is unique among species of Eothenomys by having prominent posterior salient angle on innerside (i.e. bearing three lingual salient angles). M”is frequently complex, with four inner salient angles.

Habitat. Mountain habitats with low annual fluctuations and high daily fluctuations in temperatures at elevations of 1800-3350 m. The rare Black-eared Red-backed Vole has been found in open fields.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. The Black-eared Red-backed Vole has relatively low body temperature (35-8°C) and proportionally high basal metabolic rate.

Movements, Home range and Social organization. No information.

Status and Conservation. Classified as Least Concerned on The IUCN Red List.

Bibliography. Kaneko (2002), Luo Jing et al. (2004), Luo Zexun et al. (2000), Shenbrot & Krasnov (2005), Zeng Tao et al. (2013), Zhu Wanlong et al. (2008).

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Rodentia

Family

Cricetidae

Genus

Eothenomys

Loc

Eothenomys olitor

Don E. Wilson, Russell A. Mittermeier & Thomas E. Lacher, Jr 2017
2017
Loc

Microtus (Eothenomys) olitor

Thomas 1911
1911
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