<ref name="Dias_et_al_2019">{{cite journal |first1=R. K. S. |last1=Dias |first2=S. |last2=Yamane |first3=S. A. |last3=Akbar |first4=H. A. W. S. |last4=Peiris |first5=A. A. |last5=Wachkoo |year=2019 |title=Discovery of the worker caste of ''Protanilla schoedli'' Baroni Urbani & De Andrade (Formicidae: Leptanillinae) in Sri Lanka |url=https://antcat.org/documents/7572/dias_et_al_2019_orientalinsects_leptanilliane_protanilla_schoedli_worker_sri_lanka.pdf |journal=Oriental Insects |publisher= |volume=53 |issue= |pages=160–166 |doi=10.1080/00305316.2018.1476273 }}</ref>