Rhopalomastix impithuksai Wang & Jaitrong, 2021: 123, figs. 2a, 3, 4, 16a (w.m.) THAILAND. Indomalaya.

Primary type information: Type-material: holotype worker. Type-locality: Thailand: Northeast Thailand, Sakhon Nakhon Province, Phu Phan Ratchaniwet Palace, 17.vi.2018, nest in bark of mango tree, colony code: WJT170618-5 (W. Jaitrong). Type-depository: THNHM. Type-specimen: THNHM-I-21751. Secondary type information: Paratype-material: 17 paratype workers, 1 paratype male. Paratype-locality: same as for holotype. Paratype-depository: THNHM, ZRC. Paratype-specimens: THNHM-I-21752 to THNHM-I-21758 (workers), ZRC_ENT00007608 (worker); GenBank: MW267045 to MW267048 (workers).