Hover-flies (Diptera: Syrphidae) of the Bolshoi Khekhtsir Ridge, Khabarovskii krai, Russia Mutin, V. A. Barkalov, A. V. Far Eastern Entomologist 2018 2018-01-29 349 17 27 3B7VH Stackelberg, 1958 Stackelberg 1958 [227,709,1348,1370] Insecta Syrphidae Eristalis Animalia Diptera 2 19 Arthropoda species rossica Eoseristalis   MATERIAL. I– 21. VI 1982, 6♂, 2♀(M);  II– 22. VI 1982, 1♂(M);  IV– 2. VI 2015,   1♂, 1♀(M);  V– 3. VI 2017, 1♂(M); VII– 13.VI-2.VIII 2005, 8♂, 5♀(D). [265,689,1380,1402] VI 2 19 VI 1982 8 2 6 [702,953,1381,1402] VI 2 19 VI 1982 1 1 [966,1123,1380,1402] VI 2 19 VI 2015 1 [227,496,1407,1429] V 2 19 VI 2017 2 1 1