Omalium excavatum Stephens, 1834

(Figs. 3, 17–18, 35)

Omalium excavatum Stephens, 1834: 355

Material examined. RUSSIA: KRASNODAR TeRRITORY: 1 ♀: Caucasus Nature Reserve, “Instruktorskaya Shchel` Path. 06.07.2013. Yu.A. Chumachenko leg. (cKh); KARACHAY-CHeRKeSSIA: 2 ♁♁: Teberda State Nature Biosphere Reserve, near Arkhyz, Kizgitсh Gorge. 1400 m a.s.l., swamp with Carex, Juncus and mosses. 05.06.1985. A.B. Ryvkin leg. (cR); 1 ♁, 2 ♀♀: Baduk Lakes, 43°3777215′N 41°651188′E. 14– 16.08.2020. E.A. Khachikov & K. Klimovich leg. (cKh).

Published records. AZERBAIJAN: Leder 1886: 120.

Distribution. Omalium excavatum is widely distributed in the Holarctic Region (Schülke & Smetana 2015).

Remarks. Habitus as in Fig. 3. Aedeagus as in Figs. 17–18. Female genital segment as in Fig. 35.

It is here recorded from Krasnodar Territory and Karachay-Cherkessia for the first time.