Platycheirus fulviventris (Macquart, 1829)

Altai, Shapshal’skij mountain range 2740-2876 m a.s.l. 50,5°N, 89,8°E, tundra, 23-25 July 2007, 1♀ on floscule of Schultzia crinita (Pall.) Spreng., leg. A. Barkalov.