Hylaeus aborigensis Dathe, 1994: 442, ♀, ♂ (type locality: “Sibirien, Pik Aborigen, 25 km SW Warmsteppe am Fluß Kolyma” [Magadan Province, Russia]); Proshchalykin & Dathe 2012: 7.
Material examined. Altaiskiy Territory: 5 ♀, 4 ♂, 30 km S Kur’ya, Savvushka, 31.VII – 1.VIII. 2007, SAB (ZISP); Altai Republic: 1 ♀, Chemal, 19–21.VII. 2007, SAB (ZISP); 1 ♀, 1 ♂, 20 km SE Ongudai, 6.VII. 2007, SAB (ZISP); Khakassia Republic: 2 ♀, 27 km E Shira, Borets, 29–30.VI. 2014, ASL, MYP, VML (IBSS); 4 ♀, 22 km NW Shira, Belyi Iyus River, 2.VII. 2014, ASL, MYP, VML (IBSS); Tyva Republic: 1 ♀, 30 km W Erzin, Yamalyg, 4.VII. 2013, MYP, VML (IBSS); 1 ♀, 6 ♂, 31 km NEE Erzin, Erzin River, 18.VII. 2014, ASL, MYP, VML (IBSS).
Distribution in Siberia. * Altaiskiy Territory, *Altai Republic, *Khakassia Republic, Tyva Republic, Yakutia.
General distribution. Russia (Asian part), Japan (Honshu).