Omalus margianus (Semenov, 1932)
Ellampus (Dictenulus) margianus Semenov-Tian-Shanskij, 1932: 15. Lectotype ♀ (designated by Kimsey 1986: 107); Turkmenistan: Imam-baba (ZIN) (examined).
Material examined.
Mongolia: Arkhangai, 1 ♀, 90 km NE of Tsetserleg, 48°03'N, 102°25'E, 27.VII.2005, leg. JH (MHC); Bayankhongor, 1 ♀, 75 km S of Bayankhongor, 45°20'N, 100°48.5'E, 1330 m, 8.VII.2004, leg. JS (MHC); Bulgan, 2 ♂♂, 137 km NE of Aravaykheer, 47°20'N, 103°45.5'E, 1250 m, 2.VII.2004, leg. JH (MHC); 1 ♀, 1 ♂, 143 km NE of Aravaykheer, 47°24'N, 103°39'E, 1300 m, 26.VII.2004, leg. MH (MHC); 2 ♂♂, Mongol Els Nat. Res., dunes, 47°24'N, 103°39'E, 31.VII.2005, leg. JH (MHC); Sukhbaatar, 2 ♀♀, 100 km SSW of Baruun-Urt, 1100 m, 30.VII.2007, leg. MH (MHC); Tuv, 1 ♂, 80 km W of Ulaanbaatar, 1230 m, dunes, 17.VIII.2007, leg. MH (MHC).
Distribution.
*Mongolia (Arkhangai, Bayankhongor, Bulgan, Sukhbaatar, Tuv); Central Asia (Kimsey and Bohart 1991).