<ref name="Imai_et_al_1984">{{cite journal |first1=H. T. |last1=Imai |first2=C. |last2=Baroni Urbani |first3=M. |last3=Kubota |year=1984 |title=Karyological and cytotaxonomic studies on the 94 species of Indian ants. [In Japanese.] |url= |journal=Ari |publisher= |volume=12 |issue= |pages=2 |doi= }}</ref>