Protanilla rafflesi Taylor (1990)
Material examined. Queen and workers, Bukit Timah Nature Reserve, D 10-4, 28 Jan 1969, D.H. Murphy leg., ZRC _HYM_0000023; same locality and collector as previous, 7 Dec 1968, ZRC _HYM_0000028; same locality as previous, 1.34796, 103.77914, 29 Oct 2015, M.K.L. Wong leg., ZRC _ ENT00000674; Bukit Timah Hill, slope, D11-7, collection date unknown, D.H. Murphy leg., ZRC _HYM_0000027; Lower Peirce Reservoir, Aug 1990, collector unknown, ZRC _HYM_0000244; same collection data as previous (SKYC); Nee Soon forest, 1.38279, 103.80650, 25 Sep 2017, W. Wang leg., NSW1, Winkler extraction, ZRC _ ENT00000910 ; same locality and collector as previous, 1.38245, 103.80206, 46m, 26 Apr 2018, Winkler extraction, ZRC _ ENT00000953 .
Material not physically examined. Holotype – CASENT0102375, ANTC4604 (BMNH) . Paratype – ANIC32-017901, Shattuck1345248029 (ANIC).
Literature. Type – Taylor in Bolton (1990). Xu (2012).
Localities. Bukit Timah; Bukit Timah Nature Reserve (a.k.a. Bukit Timah Hill); Lower Peirce Reservoir Road; MacRitchie; Nee Soon forest.
Habitat/Ecology. This species is associated mostly with primary or mature secondary habitat in Singapore, including swamp forest and old secondary forest. Specimens have also been collected from young secondary Adinandra belukar -dominated forest. Usually found in leaf litter and woody ground debris, often collected via Winkler extraction.
Remarks. Type localities (i.e., MacRitchie and Bukit Timah Nature Reserve) in Singapore.