A list of hover-flies of Bolshoi Shantar Island (the Sea of Okhotsk) with description of a new species of the genus <i>Platycheirus </i>Lepeletier et Serville, 1828 (Diptera: Syrphidae)
Platycheirus shantar sp. n. is described and illustrated from Khabarovsky krai in Russia. The holotype of new species is deposited in the Federal Scientific Center of East Asia Terrestrial Biodiversity, Vladivostok, Russia. An annotated list of 41 hover-flies species discovered in the Bolshoi Shantar Island is given; almost all of them are recorded from this island for the first time.