Polyrhachis (Myrma) vindex Smith, 1857

Material examined. Bukit Timah Nature Reserve, 3 Nov 1973, D.H. Murphy leg., forest, ZRC _HYM_0000933; same locality and collector as previous, area K5, 13 May 1967, ZRC _HYM_0000934; Sime Road forest, 8 Aug 1978, D.H. Murphy leg., ZRC _HYM_0000932; Island Club forest, 20 May 1985, D.H. Murphy leg., ZRC _ HYM_0000936; Kent Ridge, 18 Mar 1985, D.H. Murphy leg., ZRC _HYM_0000935; same locality and collector as previous, 28 May 1985, ZRC _HYM_0000937 .

Material not physically examined. CASENT0217808, ANTC17997 (CASC).

Literature. None. New record.

Localities. Bukit Timah Nature Reserve; Island Club forest; Kent Ridge; Seletar Reservoir; Sime Road forest .

Habitat/Ecology. This species is associated mostly with primary or mature secondary forests in Singapore, including native-dominated secondary forest. The ants have also been found in disturbed young secondary forest fragments in semi-urban settings. Individual workers are sometimes collected from foliage or low vegetation via sweep-netting.