Hover-flies (Diptera: Syrphidae) of the Bolshoi Khekhtsir Ridge, Khabarovskii krai, Russia Author Mutin, V. A. Author Barkalov, A. V. text Far Eastern Entomologist 2018 2018-01-29 349 17 27 http://dx.doi.org/10.25221/fee.349.3 journal article 10.25221/fee.349.3 2713-2196 7164059 C72424E3-F419-4D22-9B34-909A5944B154 Sphegina (Asiosphegina) sibirica Stackelberg, 1953 MATERIAL. I – 21. VI 1982 , 2♂ (M) ; II – 22. VI 1982 , 2♂ (M) ; III – 23. VI 1982 , 1♂ , 1♀ (M); IV – 2. VI 2015 , 1♂ (M); V – 3. VI 2017 , 3♂ (M).