Faunistic and diagnostic notes on some species of the genus Omalium Gravenhorst, 1802 of Caucasus, Turkey and Iran (Coleoptera: Staphylinidae: Omaliinae, Omaliini) Author Shavrin, Alexey V. 0000-0001-6487-4530 Daugavpils University, Institute of Life Sciences and Technologies, Coleopterological Research Centre, Vienibas 13, Daugavpils, LV- 5401, Latvia. ashavrin @ hotmail. com; https: // orcid. org / 0000 - 0001 - 6487 - 4530 ashavrin@hotmail.com Author Khachikov, Eduard A. Southern Federal University, Bolshaya Sadovaya 105 / 42, Rostov-on-Don, 34006, Russia. text Zootaxa 2023 2023-01-09 5227 4 443 458 journal article 222448 10.11646/zootaxa.5227.4.3 ea087173-f3d9-491b-8157-366b194bb519 1175-5326 7518924 B28C27C8-7273-4294-8487-150075ABD889 Omalium littorale Kraatz, 1857 ( Figs. 5 , 21–22 , 37 ) Omalium littorale Kraatz, 1857: 980 Material examined. RUSSIA : VOLGOGRAD AReA: 12 ♁♁, 11 ♀♀ : Elton Lake. 26.09.2007 . K.V. Makarov leg. (cKh, cSh); 2 ♀♀ : same data, 01– 10.08.2006 . K.V. Makarov & A.V. Matalin leg. (cKh); ROSTOV AReA: 1 ♀ : Volgodonsk. 10.06.1990 . P. Bagin leg. (cKh); 1 ♁, 1 ♀ : Razdorskaya. 25.04.2009 . E.A. Khachikov leg. (cKh); 1 ♁: Rostov-on-Don. 05.1994. E.A. Khachikov leg. (cKh); KRASNODAR TeRRITORY: 1 ♁: Caucasus Nature Reserve, 20 km E Krasnaya Polyana, E kordon Pslukh, environs of Aishkho Path. 1900–2000 m a.s.l. Betula forest with Acer (significantly trampled by cattle). 12.08.1986 . A.B. Ryvkin leg. (cSh); 1 ♀ : Caucasus Nature Reserve, “Instruktorskaya Shchel` Path. 16.07.2013 . Yu.A. Chumachenko leg. (cSh); ADYGeA : 3 ♁♁, 4 ♀♀ : Caucasus Nature Reserve, W of Guzeripl, Abago Pasture. 1750 m a.s.l., Fagus forest with Abies , Sorbus etc. near the upper border of forest. 24.05.1985 .A.B. Ryvkin leg. (cR); 2 ♁♁, 2 ♀♀ : same Nature Reserve, Lago-Naki. 16– 20.07.2014 . E.A. Khachikov leg. (cKh, cSh); 1 ♁: Nikel`. 10.05.1993 . I.V. Shokhin leg. (cKh); 2 ♁♁, 1 ♀ : Bolshoy Utrish River. 01– 08.05.2009 . E.A. Khachikov leg. (cSh); 16 ♁♁, 9 ♀♀ : Abago Greenland , 11 km of Guzeripl-Abago road. 2015. E.A. Khachikov leg. (cKh, cSh); 2 ♁♁: same data, Klenovyi Park. 1750 m a.s.l. 29.08– 20.09.2009 . S. Chumachenko leg. (cSh); 1 ♀ : Maykop, Tulskaya. 17.05.1929 ( ZMM ); 1 ♀ : Maykop District, Partizanskaya Polyana. 01– 07.07.2014 . Yu.G. Arzanov & P. Ivliev leg. (cSh); KABARDINO-BALKARIA: 1 ♁, 2 ♀♀ : Kichi-Balyk. 11.06.1993 . Yu.G. Arzanov leg. (cKh); 2 ♁♁: Adyl-su near Elbrus. 2100–2350 m a.s.l. Betula & Pinus forest. 15– 19.07.1989 . S.I. Golovatch leg. (cSh); NORTH OSSeTIA-ALANIA: 15 ♁♁, 5 ♀♀ : Kabardino-Sunzhenskiy Mts. between Kardzhin and El`khotovo. 570 m a.s.l., NW slope and valley, Fagus forest with Rubus and Festuca . 03.10.1985 . S.K. Alexeev leg. (cSh, cR, ZMM ); 1 ♀ : Tsey Gorge. 28.08.1979 . S.A. Kurbatov leg. (cR); DAGeSTAN: 1 ♁: Gunib. 22.08.200. Ismailov leg. (cKh); AZERBAIJAN : 8 ♁♁, 11 ♀♀ : N of Vartashen. 900 m a.s.l., Fagus and Quercus forest, in litter. 02.05.1987 . S.I. Golovatch & K.Yu. Eskov leg. (cSh, ZMM ). Published records. ARMENIA : Assing & Schülke 2019: 99 ; NAGORNO-KARABAKH: Zanetti 2002: 57 ; RUSSIA : ADYGeA : Zanetti 2002: 57 ; KARACHAY-CHeRKeSSIA : Zanetti 2002: 57 ; KRASNODAR TeRRITORY: Zanetti 2002: 57 ; KABARDINO-BALKARIA : Khachikov 1998: 6 ; NORTH OSSeTIA-ALANIA : Zanetti 2002: 57 ; STAVROPOL TeRRITORY: Khachikov 1998: 6 ; TURKEY : Zanetti 2002: 57 , Assing 2004: 677 , 2011: 182 . Distribution. Omalium littorale is widely distributed in the Palaearctic Region and known from Europe, Turkey , Caucaus and Central Asia ( Zanetti 2006 , Schülke & Smetana 2015 , Hlavač et al . 2016 ). Remarks. Habitus as in Fig. 5 . Aedeagus as in Figs. 21–22 . Female genital segment as in Fig. 37 . It is here recorded from Kabardino-Balkaria and Dagestan for the first time.