106.

Medog Mountain Vole

Neodon medogensis

French: Campagnol du Médog / German: Medog-Felswiihimaus / Spanish: Topillo de montafa de Medog

Taxonomy. Neodon medogensis Liu Shaoying et al., 2016, Médog County, Xizang, China.

Neodon medogensis is a recently described tion species within of Neodon uncertain; phylogenetic posiit might be close to N. clarkei . Monotypic.

Distribution. Known only from two localities in Médog (= Motuo) County, Xizang, S China.

Descriptive notes. Head-body 89-110 mm, tail 43-55 mm, ear 12-15 mm, hindfoot 18-20 mm; weight 26-3-41-4 g. The Medog Mountain Vole is of average size relative to other species of Neodon . Tail is fairly long, c¢.48% of head-body length, with slight terminal pencil. Fur is fine and long, with few guard hairs. Ears are densely covered by hairs and slightly overtop pelage. There are five plantar and six palmar pads; claws are yellow-white. Hairs have black-gray bases and brown tips. Dorsum is black-brown, venter is uniformly gray-white, and demarcation along flanks is distinct. Vibrissae are mainly white, rarely black, and 5-20 mm long. Females have eight mammae (two pectoral and two inguinal pairs). Glans penis is 3-8-4 mm long and 2-2-2-4 mm wide. Entire baculum is ossified, and its proximal bone is 2:4-2-5 mm long. Skull has short rostrum, large braincase, wide interorbital region, and narrow zygomatic arches. M, has four closed triangles; antero-lingual triangle T5 is confluent with anterior cup. In maxillar tooth row, first molar has three inner salient angles and postero-lingual salient angle of the second molar is indistinct.

Habitat. Sparse secondary spruce ( Picea, Pinaceae) forest, with trees ¢.20 m high, and bamboo stands c¢.3 m high;soil loose with thick layer of humus.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. Holes used by Medog Mountain Voles have diameters of ¢.2 cm and are dug under rotten timber.

Movements, Home range and Social organization. No information.

Status and Conservation. Not assessed on The IUCN Red List.

Bibliography. Liu Shaoying et al. (2017).