Two new species and new distribution records of robber flies (Diptera: Asilidae) from the Altai Republic (Russia) Author Sakhvon, Vital text Zootaxa 2024 2024-06-06 5463 3 375 395 http://dx.doi.org/10.11646/zootaxa.5463.3.4 journal article 298410 10.11646/zootaxa.5463.3.4 f5e1d83d-ab8a-45de-8325-312d0fcc4f94 1175-5326 11611526 AEAD1988-2186-4268-8839-0BDB795742F2 Antiphrisson mongolicus Lehr, 1970 Material examined . Kosh-Agachsky Distr. : 3,5 km SWW Chagan-Uzun , near Mars , h= 1755 m , [ 50º4’26’’N 88º21’17’’E ], 17–22. VI .2022 , V . Sakhvon , , ( BSU ); 5 km SE Chagan-Uzun , Tydtuyaryk Riv. , h= 1780 m , [ 50º4’22’’N 88º25’12’’E ], 13.VII.2016 , V . Sakhvon , ( BSU ); same place, 18–21. VI .2022 , V . Sakhvon , 4♂ , 2♀ ( BSU ) . Distribution . Russia (new record), Mongolia ( Lehr 1986 , 1988 ).