Tachinus (s.str.) exiguus Veselova, 1993

Veselova, Elena, 2011, On the fauna of Tachyporinae (Coleoptera, Staphylinidae) of the Russian Far East. I. The genus Tachinus Gravenhorst, 1802, Baltic Journal of Coleopterology 11 (1), pp. 73-92 : 81-82

Tachinus (s.str.) exiguus Veselova, 1993 sp.

propria?

Tachinus (s.str.) exiguus Veselova, 1993 , Russian Entomological Journal, 1 (2): 35

Tachinus (s.str.) kabakovi (pars); Schülke, 2004, Linzer biologische Beiträge, 36(2): 953

Material. AMUR AREA: 2 females: upper course of Ol’doy River, 24.09.1958, O.N.Kabakov leg. ( EV).― 1 male: Skovorodino District, Ul’ruchi, 10.06.1959, O.N.Kabakov leg. ( EV).― 1 male: Skovorodino District , Bol’shoy Never River , 25.08.1961, O.N.Kabakov leg. ( EV).― 2 males: Ekimchan, 27– 30.08.1979, O.N.Kabakov leg. ( EV).― 2 males: Zeyskiy Nature Reserve , „Tyoplyi Klyuch” cordon, 12.06.1978 , V. V. Belov & S.A.Kurbatov leg. ( EV).― 1 female: Zeyskiy Nature Reserve , «52nd km» cordon, 03.08.1978 , V. V. Belov & S.A.Kurbatov leg. ( EV).― 2 females: Mazanovskiy District, Nora River basin, Sorokavyorstnaya Channel , lower reaches of Zolotoy Rill , 225 m a.s.l., rotten cep, 01.08.2006, EV & AR leg. ( EV).― 1 male: Selemdzhinskiy

District, Byssa River basin NW of „Tyoplyi Klyuch” spa, 300 m a.s.l., near hut, 15.06.2007, EV & AR leg. ( EV).

Additional material examined. TUVA REPUBLIC: 1 female: Ulug-Khemskiy District, near Ishtiy-Khem Village , in Polyporus sulfureus, No. 160, 05.08.1973, V. A.Pototskaya leg. ( EV) .

Remarks. I have described the continental species T. exiguus , closely related to the insular T. kabakovi Veselova, 1990 , known from the holotype (male) and the single paratype (female). Schülke (l.c.) has seen the holotype of T. exiguus (male), the paratype of T. kabakovi and some specimens from the Chita Area and Zeya (Amur Area). It was impossible to examine the single known male of T. kabakovi (ZIN) to compare with the type male of T. exiguus , because the former could not been found due to a great disorder in the collection of the Zoological Institute, St.- Petersburg. Schülke considered the paratype of T. kabakovi to be conspecific to the Tachinus females from Chita Area and put T. exiguus in the synonymy of T. kabakovi . This decision seems to have not sufficient justification, because females of closely related species in this group are often very difficult to distinguish. Unfortunately, no males of T. kabakovi from the type locality are available now.

I assume T. exiguus to be widely distributed in E Siberia and the Far East. It has been known from both Russia (Amur Area, Chita Area , Buryatia Republic) and NE Mongolia. It is recorded here from Tuva Republic for the first time .