The digger wasps of the genus Didineis Wesmael (Hymenoptera: Crabronidae: Bembicinae) of Russia and adjacent territories, with a key to species and new synonymies Author Nemkov, Pavel G. text Zootaxa 2015 3941 3 391 400 journal article 10.11646/zootaxa.3941.3.5 b485809d-ea2c-45fa-939b-9cf266fd7a59 1175-5326 236033 A9AF7CDD-3003-4F7A-9953-5B01A5110FD5 Didineis sibirica Gussakovskij 1937 ( Fig. 4 ) Didineis sibirica Gussakovskij 1937 : 607 , ♀. Holotype : ♀, Russia , Irkutskaya Oblast, Olzony (ZIN), examined. Didineis sibirica : Bohart & Menke 1976 : 459 ; Nemkov 1986 : 106 , 1990: 81; Nemkov in Nemkov, Kazenas, Budrys & Antropov 1995 : 455 ; Terayama 2006 : 3 , 4; Nemkov 2008 : 24 , 2009: 128, 2012: 445. Alysson sibiricus nipponicus Tsuneki 1968a : 5 , ♂. Holotype : ♂, Japan , Saitama Prefecture, Konosu (MNHAH), examined. Synonymized with Didineis sibirica by Nemkov 1990 : 81 . Alysson sibiricus nipponicus : Tsuneki 1968b : 66 ; Nambu 1975 : 72 . Didineis sibirica nipponica : Bohart & Menke 1976 : 459 ; Tano 1994 : 8 . Material examined . Holotype of Didineis sibirica Gussakovskij—♀, Russia , Irkutskaya Oblast, Olzony (Chekanovski) ( ZIN ). Holotype of Alysson sibiricus nipponicus Tsuneki—♂, Japan : Honshu, Saitama Prefecture, Konosu, 6.IX 1961 (Nambu) ( MNHAH ). Russia : 1♂ , Zabaikalskii Krai, Chita, Peschanka, 21.VII 1984 (Lelej) ( IBSS ); 1♂ , Buryatiya, Gusinoe Lake, Baraty, 7.VIII 1984 (Lelej) ( IBSS ); 1♀, Primorskii Krai, Slavyanka, 18.VIII 1998 (Belokobylskij) ( ZIN ). Recognition . Didineis sibirica is unique among its congeners in having an all black body (including the legs). Description . Body and legs black. Male scape ventrally and sometimes apical flagellomere partly yellow. Frons densely punctate (punctures less than one diameter apart). Scutum finely, somewhat densely punctate (punctures about one diameter apart). Lateral surface of mesopleuron somewhat densely punctate, shiny. Metasomal tergum II finely, somewhat sparsely punctate (punctures more than one diameter apart). Female flagellomeres VI–IX twice as long as wide. Male flagellomeres I–III not concave ventrally, flagellomeres VI–IX longer than wide, foretibia not modified. Distribution . Russia (Irkutskaya Oblast, Buryatiya, Zabaikalskii Krai, Primorskii Krai), Japan (Honshu).