Lasioglossum (Lasioglossum) fallax (Morawitz, 1873)

Halictus fallax Morawitz, 1873: 163, ♀. Lectotype: ♀, Russia: Derbent; designated by Pesenko (1986: 131); ZISP.

Published data. Morawitz 1873: 163 (Dagestan Republic); Pesenko 1986: 137 (Caucasus); Chenikalova 2005: 26 (Stavropol Territory).

Material examined. RUSSIA. Dagestan Republic: 2 ♂, 22 km SW of Terekli-Mekteb, 44°04′N 45°64′E, 21, 22.VI.2018, MP, MM, VL, YA; 2 ♀, valley of Kurush River, 41°15′N 47°49′E, 26. VI.2023, MP .

Distribution. Russia (North Caucasus, Crimea, south of European part, South Ural); Turkey, Caucasus, Iran, Turkmenistan [nominate subspecies]; Kazakhstan, Uzbekistan, Tajikistan, Kyrgyzstan, Afghanistan, Mongolia [ ssp. melanarium (Morawitz, 1876)]; Pakistan [ ssp. rhadiourgon Ebmer, 1980].

Remarks. In steppe and desert areas.