Polyrhachis jerdonii
Polyrhachis jerdonii is a species of ant in the subfamily Formicinae. It is endemic to Sri Lanka.
A part of the ' species group. Similar to '. Both have a laterally marginate mesosoma and a weakly indicated metanotal groove. They differentiate in the overall slupture of the body that, in P. jerdonii, is very delicately and finely reticulate-punctate.