Lasioglossum (Sphecodogastra) fratellum (Pérez, 1903)

Halictus fratellus Pérez, 1903: CCXIV, ♀. Lectotype: ♀, Spain: Barcelona; designated by Ebmer (1972a: 626); MNP.

Published data. Dathe 1980: 211 (Karachayevo-Cherkess Republic); Ebmer 1988: 616 (Karachayevo-Cherkess Republic).

Material examined. RUSSIA. Adygei Republic: 3 ♀, 47 km S of Khadzokh, Guzeripl, 26.VI.1976, ES ; Dagestan Republic: 1 ♀, valley of Kurush River, 41°17′N 47°50′E, 27.VI.2023, MP .

Distribution. Russia (North Caucasus, east to Eastern Siberia [nominate subspecies]; Yakutia, Far East [ ssp. betulae Ebmer, 1978]); Europe, Turkey, Azerbaijan [nominate subspecies]; North Korea [ ssp. betulae].