Pheidole tandjongensis Forel, 1913

Material examined. Mandai Road, 1.41155, 103.79015, 21-23 Nov 2016, G.W. Yong leg., pitfall trap, M2D2GPd1957, ZRC _ HYM_0001785.2; same locality and collector as previous, 19 Dec 2016, G.W. Yong leg., ZRC _HYM_0001033; Upper Thomson Nature Park, 1.38311, 103.79839, 17-19 Oct 2016, G.W. Yong leg., pitfall trap, UT5G- Pd 1634, ZRC _HYM_0001785 .

Material not physically examined. Unknown.

Literature. None. New record.

Localities. Mandai Road; Upper Thomson Nature Park.

Habitat/Ecology. This species was found in both old/mature and young secondary forests in Singapore. Specimens have been collected using pitfall traps from native-dominated and abandoned plantation secondary forests.