Polyrhachis (Myrmothrinax) saigonensis Forel, 1886
Material examined. None available.
Material not physically examined. Unknown.
Literature. Viehmeyer (1916), Overbeck (1924) [both as Polyrhachis thrinax subsp. saigonensis].
Localities. Bukit Timah Road.
Habitat/Ecology. Garden.
Remarks. The only literature record of this species in Singapore is that of a single queen collected from a lamp in a garden (Viehmeyer 1916; Overbeck 1924).