Lasioglossum (Dialictus) nitidulum (Fabricius, 1804)

Prosopis nitidula Fabricius, 1804: 294, ♂. Lectotype: ♂, Germany: no locality; designated by Warncke (1973: 25); NHMD.

Published data. Chenikalova 2005: 26 (Stavropol Territory).

Material examined. RUSSIA. Stavropol Territory: 2 ♀, Kislovodsk, 15.V.1949, 9.X.1956, VP ; 1 ♂, Pyatigorsk, Mashuk Mts, 8.VII.1981, O. Kovalev ; Dagestan Republic: 1 ♀, Tsudakhar, 42°19′N 47°09′E, 1. VI.2019, MP, VL .

Distribution. Russia (North Caucasus; European part, Ural); eastern Europe [ ssp. aeneidorsum (Alfken, 1921)]; western Europe [nominate subspecies]; southern Europe from Balkans to Turkey [ ssp. fudakovskii (Noskiewicz 1925)]; Crete [ ssp. cretense (Warncke, 1975)]; Sardinia [sardinum Ebmer, 1978]; Balearic Islands [ ssp. hammi (Saunders, 1904)]; Tajikistan, Kyrgyzstan [ ssp. oculare (Morawitz, 1893)].

Remarks. A rare species.