Taxonomic notes and faunistic data on the Muscidae (Diptera) of the Altai Mountains (Russia) Author Vikhrev, Nikita E. Author Sorokina, Vera S. text Zootaxa 2017 4311 2 241 254 journal article 32333 10.11646/zootaxa.4311.2.5 fdec1255-5294-442c-ba54-c528020d548a 1175-5326 847538 31AAA2DE-E770-4950-AE21-E3E1D851A674 Hydrotaea hsiai Fan, 1965 Material examined. RUSSIA : Altai Republic : 1♀ , Kosh-Agach env., 50.0°N 88.6°E , 1750 m asl , 2–4.07.2016, leg. N. Vikhrev ( ZMUM ). Other records: MONGOLIA : 1♂ , Tov prov. : Central Aimak , NW environs of Ulan-Bator ( 47.9°N 106.7°E ), 11.06.1967 , leg. V. Zaitsev ; 3♂ , 20 km S of Ulan-Bator ( 47.7°N 106.9°E ), 2.07.1967, leg. V. Zaitsev ; 6♀ , 70 km S of Ulan-Bator ( 47.3°N 106.7°E ), 20– 21.07.1967 , leg. V. Zaitsev. Dundgovi prov .: 1♀, Sredne-Gobiyskiy Aimak, Delgertsogt (46.13°N 106.37°E), 22.07.1967 , leg. V. Zaitsev; 1♂ , Delgerkhangai Mountains ( 45.24°N 104.80°E ), 25.07.1967 , leg. V. Zaitsev (all in ZIN ). Distribution. Known from arid regions of Central Asia: China ( Qinghai ). Newly recorded here from Mongolia and Russia ( Altai Republic ). See Taxonomic part.