Rhopalomastix glabricephala Wang et al., 2018: 308, figs. 4–7 (w.) SINGAPORE. Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Singapore: Mandai Road (1.41379°N, 103.79820°E), 16.xi.2016, colony no. GY-SG16-RhoE, in bark of Tembusu tree (Fagraea fragrans Roxb) (G.W. Yong & K.H. Pwa). Primary type depository: LKCS. Primary type specimen: ZRC_ENT_00000873. Secondary type information: Secondary type material: 36 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: LKCS, MCZC, TNHM, USNM. Secondary type specimen: ZRC_HYM_0000508.