<ref name="Radchenko_1995">{{cite journal |first1=A. G. |last1=Radchenko |year=1995 |title=A review of the ant genus ''Leptothorax'' (Hymenoptera, Formicidae) of the central and eastern Palearctic. Communication 1. Subdivision into groups. Groups'' acervorum ''''and'''' bulgaricus''. [In Russian.] |url= |journal=Vestnik Zoologii |publisher= |volume=1994 |issue=6 |pages=22–28 |doi= }}</ref>