Omalium littorale Kraatz, 1857

Shavrin, Alexey V. & Khachikov, Eduard A., 2023, Faunistic and diagnostic notes on some species of the genus Omalium Gravenhorst, 1802 of Caucasus, Turkey and Iran (Coleoptera: Staphylinidae: Omaliinae, Omaliini), Zootaxa 5227 (4), pp. 443-458 : 449-450

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.

Figures

FIGURES 1–10. Habitus of Omalium: 1—O. caesum (Turkey, Bursa: Uludağ), 2—O. cinnamomeum (Turkey, Antakya: Kişlak- Şenköy), 3—O. excavatum (Russia, Karachay-Cherkessia: Arkhyz), 4—O. falsum (Georgia, Tskhneti), 5—O. littorale (Russia, Adygea: Abago), 6—O. riparium impar (Russia, Krasnodar Territory: Khosta), 7—O. rivulare (Armenia, Alaverdi), 8—O. rugatum (Iran, Zagros Mts.), 9—O. turcicum (Russia, Adygea: Lagonaki), 10—O. wunderlei (Turkey, Gümüşhane: Erzincan- Kelkit). Scale bars: 1.0 mm.

FIGURES 19–26. Aedeagus of Omalium falsum (Figs. 19–20: Georgia, Tskhneti), O. littorale (Figs. 21–22: Russia, North Ossetia-Alania: Kabardino-Sunzhenskiy Mts.), O. riparium impar (Figs. 23–24: Russia, Kransnodar Territory: Sochi National Park), O. rivulare (Figs. 25–26: Turkey, Artvin: Artvin): 19, 21, 23, 25—parameral view, 20, 22, 24, 26— lateral view. Scale bars: 0.1 mm.

FIGURES 33–41. Female genital segment (ventral view) and spermatheca (shown by arrow in Fig. 40) of Omalium: 33—O. caesum (Russia, North Ossetia-Alania: Zincar), 34—O. cinnamomeum (Turkey, Antakya: Kişlak-Şenköy), 35—O. excavatum (Russia, Krasnodar Territory: Caucasus Nature Reserve), 36—O. falsum (Turkey, Rize: Ardeşen), 37—O. littorale (Russia, Volgograd Area: Elton Lake), 38—O. riparium impar (Georgia, Tskhneti), 39—O. rivulare (Russia, Krasnodar Territory: Derbiy), 40—O. rugatum (Russia, North Ossetia-Alania: Zincar), 41—O. turcicum (Russia, Krasnodar Territory, Caucasus Nature Reserve). Scale bars: 0.1 mm.