<ref name="Potts_1948">{{cite journal |first1=R. W. L. |last1=Potts |year=1948 |title=New records of ''Ponera'' ''trigona'' var. ''opacior'' Forel (Hymenoptera: Formicidae) |url= |journal=Pan-Pacific Entomologist |publisher= |volume=24 |issue= |pages=26 |doi= }}</ref>