46. Dolichopus xanthopyga Stackelberg, 1930

Material examined. 2♂, Khabarovsk, Bychikha, former pond at end of Yubileynaya street and its forested environs, 48.2917– 2947 ° N, 134.8268–8290 ° E, 81–84 m a. s. l., 25.07.2020, O. Kosterin; Russia , 5♂, 7♀,

Khabarovsk, Bolshoy Ussuriysky Island, at oxbow lakes, 48.33– 42 ° N, 134.80– 90 ° E, 35–38 m a. s. l., 26.07.2020, O. Kosterin; 1♂ , Khabarovsk, 2–2.6 km NE of Kazakevichevo, Bolshekhekhtsyrsky Nature Reserve, Sosninsky Brook lowermost reaches and right bank of Amurskaya Protoka of Amur River just downstream of it, 48.2800–2848 ° N, 134.7571–7642 ° E, 36–50 m a. s. l., 23– 26.07.2020, O. Kosterin .

Distribution. Type localities: Russia, Primorye: “Yakovlevka env., Staraya Devitsa, Ryabokon Peninsula, Lefu (= Ilistaya) River mouth.” Palaearctic: China (Heilongjiang), Russia (Khabarovsk, Primorye). This species was recorded from Kuriles without definite locality (Negrobov 1991).