Myotis petax Hollister 1912

• Main Authors: Don E. Wilson, Russell A. Mittermeier
• Format: Other/Unknown Material
• Language: unknown
• Published: Lynx Edicions 2019
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Mammalia; Chiroptera; Vespertilionidae; Myotis; Myotis petax; Butit; Golia; Sakhalin; Siberia
• Online Access: https://doi.org/10.5281/zenodo.6577958; http://treatment.plazi.org/id/4C3D87E8FF286A97FF7897531F6EB0BD

475. Russian Myotis Myotis petax French: Murin de |' Altai / German: Sibirien-Wasserfledermaus / Spanish: Ratonero de Altai Other common names: Eastern Water Myotis, Sakhalin Myotis, Taxonomy. Myotis petax Hollister, 1912, “Kosh-Agatch, Chuisaya Steppe, Altai District, Siberia [Russia]; Altitude 7300 feet [= 2225 m].” Subgenus Myotis; macrodactylus species group (4 species). Myotis petax has been considered a subspecies of M. daubentonii, but molecular and morphological data support its recognition as a distinct species. Genetic data indicate that M. petax is closer to other East Asian Myotis (e.g. M. pilosus, M. fimbriatus, and M. macrodactylus). Taxon abei has been recognized as a distinct species, butit is a junior synonym of nominate petax based on morphology and molecular data. Subspecies loukashkini tentatively includes chasanensis, pending additional comparison. Three subspecies recognized. Subspecies and Distribution. M.p.petaxHollister,1912—AltairegionofCRussiaandNEKazakhstan;possiblyinOmskregionofRussiaandNWChina,butspecimensarenotavailable.RangelimitsunclearasthisspeciesandDaubenton’sMyotis(M.daubentonii)maybefoundthere. M.p.loukashkiniShamel,1942—WRussiafromSayanregiontoAmurregion,NMon-golia,andNEChina(Heilongjiang,Jilin,andNeiMongol). M. p. ussuriensis Ognev, 1927 — Russian Far East (including Sakhalin I), Korean Peninsula, Japan (Hokkaido), and Kuril Is; probably also in NE China. Descriptive notes. Head—-body 40-54- 2 mm, tail 27-41 mm, ear 9-1-15- 3 mm, hindfoot 8:3—- 12 mm, forearm 34-1-38- 3 mm. Fur of the Russian Myotisis silky and short. Dorsal pelage is grayish brown to dark brown; venteris paler grayish white to brownish gray. Naked parts of face, ears, and membranes are grayish brown, and membranes are semi-transparent. Ears are relatively long and slender; tragus is slender, straight, and ¢.50% the ear length. Uropatagium extends from ankle nearly to tip of tail (tail covered exceptlast free vertebra); calcar lacks keel but has terminal lobe. Wings attach at metatarsus of first toe. ...