Lasioglossum costulatum (Kriechbaumer, 1873)
Published data.
Pesenko 1986: 137 (Caucasus).
Material examined.
2 ♀, 1 ♂.
Distribution.
Caucasus: Azerbaijan, Armenia, Georgia, Russia. – Europe, North Africa, Lebanon, Turkey, Syria, Russia (east to Eastern Siberia), Iran, Central Asia.
Remarks.
This species was recorded without locality for the Caucasus by Pesenko (1986: 137).