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Astakhov DM, Ruchin AB, Romadina OD, Pristrem IM. 2019. To robber flies fauna (Diptera: Asilidae) of Mordovia, Russia. Biodiversitas 20: 994-1005. On the basis of long-term data (2007)(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017)(2018), the fauna of robber flies (Asilidae) of the Republic of Mordovia was studied. Taking into account our own and literary data, 35 species of robber flies from 18 genera were noted. Of them, 19 species were noticed in the Republic of Mordovia for the first time. We presented the photos of morphological traits of Choerades fuliginosa (

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A new species Leptogaster rutulica sp. n. from southwestern Dagestan is described with comprehensive photographs of the external morphology and details of the male genitalia. Differences from other species of the genus Leptogaster Meigen, 1803, and especially from the closely related species L. subtilis Loew, 1847 are shown. The species is characterized by the presence of very characteristic features, which are not observed in other members of Leptogaster species occurring in the Caucasus. The new species differs from L.