<ref name="Radchenko_1990">{{cite journal |first1=A. G. |last1=Radchenko |year=1990 |title=Myrmecofauna of Ukraine: state of knowledge, zoogeographical uniqueness and probable ways of origin. [In Russian.] |url= |journal=Materialy Kollokviumov Sektsii Obshchestvennykh Nasekomykh Vsesoyuznogo Entomologicheskogo Obshchestva |publisher= |volume=1 |issue= |pages=190–199 |doi= }}</ref>