Polyrhachis (Myrma) nigropilosa Mayr, 1872

Material examined. MacRitchie, NS 184, 9 Jun 1995, S.L. Goh & B.K.H. Tan leg., ZRC _ ENT00000373 ; Mandai, 1.4083, 103.77803, 12 Nov 2015, M.K.L. Wong leg., ZRC _ ENT00000733 ; Mandai Road, 1.41155, 103.79015, 23 Nov 2016, G.W. Yong leg., M2D2GH1961, ZRC _HYM_0001177; Upper Peirce Reservoir, 10 Jan 2014, Sk. Yamane leg., SG14-SKY-47, ZRC _HYM_0000462; alate queen, Nee Soon Swamp Forest, NS2, 1°23’04.2”N, 103°48’40.7”E, 28 Nov-5 Dec 2012, J. Puniamoorthy et al. leg., malaise trap, Reg. 29611, ZRC _ BDP0009132 .

Material not physically examined. Unknown.

Literature. Menozzi (1926) [as Polyrhachis nigropilosa conophthalma]; Mezger & Moreau (2015).

Localities. MacRitchie; Mandai; Nee Soon Swamp Forest; Upper Peirce Reservoir.

Habitat/Ecology. This arboreal species is associated mostly with primary or mature secondary habitats, such as native-dominated secondary and swamp forests, as well as young secondary forests in Singapore. Nests have been found in decayed branches.