Hylaeus (Hylaeus) nimbatus Dathe, 1986
Hylaeus nimbatus Dathe, 1986: 298, ♀ (type locality: Mongolia).
Material examined. Altai Republic: 1 ♀, Kosh-Agach, 26–30.VI.1964, M. Kozlov (ZISP); Tyva Republic: 1 ♀, 31 km NEE Erzin, Erzin River, 18.VII.2014, ASL, MYP, VML (IBSS).
Distribution in Siberia. *Altai Republic, *Tyva Republic.
General distribution. Mongolia, * Russia.