Lasioglossum (Hemihalictus) bluethgeni Ebmer, 1971

Halictus hirtiventris Blüthgen, 1923: 283, non Halictus hirtiventres Cockerell, 1922 ( Parasphecodes hirtiventris), ♀, ♂. Holotype: ♂, Croatia: Carlovac (Istria Peninsula); NMW.

Lasioglossum blüthgeni Ebmer, 1971: 110, nom. nov. pro Halictus hirtiventris Blüthgen, 1923 .

Published data. Ebmer 2000: 424 (Krasnodar Territory).

Material examined. RUSSIA. Krasnodar Territory: 2 ♀, Lazarevskoye, 8. V.1979, VT; 1 ♀, idem, 24. V.1973; 8 ♀, Markotkh Gorge, 26-28. V.2010, I. Melnik; 1 ♀, Novorossiysk, Abrau Reserve, on Orobanche laxissima, 6. VII.2014, AF; 1 ♂, Gelendzhik distr., between Krinitzy and Praskoveevks, 2. VII.2004, K. Tomkovich; Stavropol Territory: 1 ♀, Kislovodsk, 9.X.1956, VP; Dagestan Republic: 1 ♀, Kamyshchay River valley, 41°54′N 48°13′E, 25. VI.2022, S. Ivanov; 1 ♀, Gunib, 42°401′N 46°917′E, 31. V.2023, S. Basov .

Additional material examined. RUSSIA. Kursk Province: 1 ♂, Central-Chernozem Nature Reserve, Streletzk steppe, 27. VIII.2022, K. Ivlev; Voronezh Province: 1 ♀, Osykino, on Rabelera holostea, 28. V.2022, K. Ivlev; Crimea: 1 ♀, Karadag, Karagach, 12. V.1992, D. Kasparyan .

Distribution. Russia (North Caucasus, central of the *European part, * Crimea); Southern and locally middle Europe, Ukraine, Azerbaijan, Georgia, Lebanon, Turkey.