File:Crematogaster luzonensis petiole.jpg

[[Media:Hosoishi, S., Ogata, K. 2016. Systematics and biogeography of the ant genus Crematogaster subgenus Orthocrema.pdf|Hosoishi, S. and K. Ogata. 2016. Systematics and biogeography of the ant genus Crematogaster Lund subgenus Orthocrema Santschi in Asia (Hymenoptera: Formicidae). Zoological Journal of the Linnean Society. 176:547–606.]]