Omalium falsum Eppelsheim, 1889

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

Omalium falsum Eppelsheim, 1889

( Figs. 4 , 19–20 , 36 , 42 )

Omalium falsum Eppelsheim, 1889: 21

Material examined. RUSSIA: DAGeSTAN: 1 ♁: Kurush. 1850 m a.s.l. 05.07.1991. J. Martens & W. Schawaller leg. ( SMNS); GEORGIA: TBILISI: 1 ♁, 1 ♀: Tskhneti. 1150–1300 m a.s.l., forest with Fagus , Carpinus , Acer etc., in litter. 16, 18.05.1987. S.I. Golovatch & K.Yu. Eskov leg. (cSh); AZERBAIJAN: BAKU: 1 ♁: NW Baku. Altiagak. 1200 m a.s.l. 21– 23.06.1996. W. Schawaller leg. ( SMNS); TURKEY: RIZe: 1 ♀: ca. 25 km S Ardeşen, 40°59′30′′N 40°58′42′′E. 03.08. 2006. 830 m a.s.l., mixed forest with Rhododendron . M. Schülke leg. (cSh); IRAN: ÂZARBẲIẲN-e SHARQI: 1 ♁: Arasbaran Biosphere Reserve. 1650–1800 m a.s.l. 04– 15.06.1978. J. Martens & R. Pieper leg. ( SMNS).

Published records. AZERBAIJAN: Eppelsheim 1889: 21, Bernhauer 1903: 190 (as O. excellens Bernhauer, 1903 ); GEORGIA: Schülke & Smetana 2015: 346; TURKEY: Zanetti 2002: 55.

Distribution. Omalium falsum is known from the Caucasus ( Georgia, Azerbaijan) and Turkey ( Zanetti 2002, Schülke & Smetana 2015). The distribution as in Fig. 42 .

Remarks. Habitus as in Fig. 4 . Aedeagus as in Figs. 19–20 . Female genital segment as in Fig. 36 .

It is here recorded from Russia and Iran 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.

FIGURE 42–44. Distribution of Omalium in the Caucasus Region and Western Asia: 42—O. falsum, 43—O. turcicum, 44—O. wunderlei.