342.

Harrison's Tube-nosed Bat

Murina harrisoni

French: Murine de Harrison / German: Harrison-Rohrennase / Spanish: Ratonero narizudo de Harrison

Other common names: Harrison's Murine Bat

Taxonomy. Murina harrisoni Csorba & Bates, 2005,

“O TukChehn, Kirirom National Park, Kompong Speu Province, Cambodia, 11º 29.611'N, 104°12.746'E.”

Based on limited genetic data, Murina harrisoni appears to be related to M. ussuriensis, M. huttonii, and M. puta . Includes tiensa from Vietnam,first thoughtto be a “large form” of M. huttonii, then named as a new species in 2007, but subsequently shown to be a synonym of harrisoni; there are two genetic clades, but reported morphological differences proved to be due to strong sexual dimorphism. Monotypic.

Distribution. C Myanmar, N & W Thailand, N Laos, Vietnam, S Cambodia, and SE China (Guangxi and Hainan).

Descriptive notes. Head-body 38-9-55- 1 mm,tail 33-8-45- 5 mm, ear 12-2-18- 8 mm, hindfoot 7-4-10- 2 mm, forearm 34-40- 1 mm; weight 8:4-10- 5 g. Females are larger than males. Fur is long and silky; dorsally orangish brown (hairs with pale base, the rest being yellowish red, gradually darkening toward tip; no shiny guard hairs); ventrally grayish brown (hairs uncolored whitish or light gray). Dorsal pelage extends sparsely onto wings, uropatagium, thumbs, and feet. Face is sparsely haired except long protuberant nostrils, which are naked. Ears are short, broad, and rounded, with smoothly convex anterior margins, no notch on posterior margin, with a broadly rounded tip; tragus is long, narrow, and tapering toward pointed tip. Wing attaches to base of claw on first toe. Skull has uninflated rostrum and flat braincase; sagittal and lambdoidal crests are well developed. I? is lateral to I’; C' is much taller than P* and is equal or slightly larger in basal area; P* is subequal in height to P* mesostyles of M' and M? are weakly developed; talonids of M, and M, are two-thirds the size of their respective trigonids. Chromosomal complement has 2n = 44 and FN = 50 (Hainan and Thailand).

Habitat. Subtropical montane secondary forest in Guangxi, undisturbed tropical rainforest in Hainan, degraded to nearly pristine lowland and montane forests in Vietnam, and disturbed semi-evergreen gallery forest and dry lowland dipterocarp forest in Cambodia.

Food and Feeding. No information.

Breeding. No information.

Activity patterns. In Vietnam,in flight, calls were a steep FM sweep with an average start frequency of 145-1 kHz (122-2-164-8 kHz), end frequency 50-1 kHz (45-8-55-8 kHz), and duration 1-9 milliseconds (1-3-3-1 milliseconds).

Movements, Home range and Social organization. No information.

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

Bibliography. Csorba & Bates (2005), Csorba, Bates & Francis (2016), Csorba, Thong Vu Dinh et al. (2007), Francis & Eger (2012), Nguyen Truong Son etal. (2015), Soisook (2013), Thong Vu Dinh et al. (2011), Wu Yi et al. (2010).