Polyrhachis (Myrma) orsylla Smith, 1861
Material examined. None available.
Material not physically examined. Unknown.
Literature. Forel (1907).
Localities. Unknown.
Habitat/Ecology. No information available in the Singapore context.
Remarks. Specimens identified as ‘ P. orsyllus ’ in Viehmeyer (1916) and Overbeck (1924) were collected by Overbeck in Gunong Angsi – a locality in Malaysia and not Singapore.