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 tenebrosus Lehr, 1972 Material examined . Kosh-Agachsky Distr. : 15 km SE Kurai , Chuya Riv. , h= 1600 m , [ 50º11’9.8’’N 88º7’4’’E ], 6.VII.2016 , V . Sakhvon , ( BSU ); Kosh-Agach , [ 49º59’2’’N 88º41’59’’E ], 16. VI .1964, K. Grunin , ( FSC ) ; 5 km SE Chagan-Uzun , Tydtuyaryk Riv. , h= 1780 m , [ 50º4’22’’N 88º25’12’’E ], 10. VI .2014, V . Gritchik , ( BSU ); same place, 10–16. VI .2016, V . Gritchik , ( BSU ) . Distribution . Russia , China , Mongolia , ( Lehr 1975 , 1986 , 1988 , 1999 ).