<ref name="Olsen_1999">{{cite journal |first1=T. J. |last1=Olsen |year=1999 |title=''Myrmica rugulosa'' Nylander, 1849 (Hymenoptera, Formicidae) new to Norway |url= |journal=Norwegian Journal of Entomology |publisher= |volume=46 |issue= |pages=88 |doi= }}</ref>