The chestnut myotis (''Myotis badius'') is a species of

mouse-eared bat The mouse-eared bats or myotises are a diverse and widespread genus (''Myotis'') of bats within the family Vespertilionidae. The noun "''myotis''" itself is a Neo-Latin construction, from the Greek language, Greek "''muós'' (meaning "mouse") an ...

in the family

Vespertilionidae Vespertilionidae is a family of microbats, of the order Chiroptera, flying, insect-eating mammals variously described as the common, vesper, or simple nosed bats. The vespertilionid family is the most diverse and widely distributed of bat familie ...

. It is found in

South Asia South Asia is the southern Subregion#Asia, subregion of Asia that is defined in both geographical and Ethnicity, ethnic-Culture, cultural terms. South Asia, with a population of 2.04 billion, contains a quarter (25%) of the world's populatio ...

Taxonomy

The bat's initial

holotype A holotype (Latin: ''holotypus'') is a single physical example (or illustration) of an organism used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of s ...

and paratypes were found in the Longxu, Xianren,

Dashi is a family of stocks used in Japanese cuisine. ''Dashi'' forms the base for miso soup, clear broth soup, noodle broth soup, and many simmering liquids to accentuate the savory flavor known as umami. ''Dashi'' is also mixed into the flour b ...

, and Huyan Caves across the

Yunnan Yunnan; is an inland Provinces of China, province in Southwestern China. The province spans approximately and has a population of 47.2 million (as of 2020). The capital of the province is Kunming. The province borders the Chinese provinces ...

province in China. Further analysis and comparison of these specimens with other ''

Myotis The mouse-eared bats or myotises are a diverse and widespread genus (''Myotis'') of bats within the family Vespertilionidae. The noun "''myotis''" itself is a Neo-Latin construction, from the Greek "''muós'' (meaning "mouse") and "''oûs''" ( ...

'' species suggested that the Yunnan specimens possessed characteristics of

baculum The baculum (: bacula), also known as the penis bone, penile bone, ''os penis'', ''os genitale'', or ''os priapi'', is a bone in the penis of many placental mammals. It is not present in humans, but is present in the penises of some primates, ...

morphology and cranial proportions that made them a distinct species.

References

Mouse-eared bats Mammals described in 2011 Bats of Asia {{Vespertilionidae-stub