Polyrhachis (Myrma) orsylla ritsemai Mayr, 1883

Material examined. None available.

Material not physically examined. Unknown.

Literature. Viehmeyer (1916), Overbeck (1924) [as Polyrhachis orsyllus ritesmai].

Localities. Bukit Timah Road

Habitat/Ecology. The ants were found nesting in withered bamboo in a garden.

Remarks. At the time of writing, there are only literature records of this species in Singapore.