Rhopalomastix striata Wang, Yong & Jaitrong, 2018

Material examined. Holotype – Mandai Road, 1.4144, 103.79845, 18 Nov 2016, G.W. Yong & S.X. Chui leg., GY-SG16-RhoG, ZRC _ ENT00000876; paratype males and workers, same collection data as holotype, ZRC _ HYM_0000290. Non-types – queens and workers, Bukit Timah Nature Reserve, BT 05, 1.35386, 103.77988, 30 Aug 2017, W. Wang leg., WW-SG17- Rho 1, ZRC _HYM_0001752; queen and workers, same locality as previous, BT03, 1.34904, 103.77892, 27 Sep 2017, W. Wang leg., WW-SG17-021, ZRC _HYM_0001793; same locality as previous, BT02, 1.35599, 103.77397, 12 Jul 2017, W. Wang leg., WW-SG17-RhoR, ZRC _ ENT00027915; queens and workers, Mandai forest, near Singapore Zoo, 15 Jan 2020, W. Wang leg., WW-SG20-004, ZRC _ ENT00027890; Mandai Road, 1.40824, 103.802, 21 Dec 2016, G.W. Yong leg., GY-SG16-RhoM, ZRC _HYM_0000512; queen and workers, Rifle Range Road, 6 Dec 2017, W. Wang leg., WW-SG17-046, ZRC _ ENT00027893.

Material not physically examined. Unknown.

Literature. Type – Wang et al. (2018c).

Localities. Bukit Timah Nature Reserve; Mandai forest; Mandai Road [type]; Rifle Range Road.

Habitat/Ecology. This species is associated mostly with primary and old/mature secondary forests in Singapore. Nests were found in bark of various large native dipterocarp trees, e.g. Endospermum diadenum, Prunus sp., and Shorea curtisii . In one instance, the ants were found nesting in bark of large buttress root near tree base.

Remarks. Type locality in Singapore.