Rhopalomastix parva Wang & Jaitrong, 2021: 145, figs. 2e, 11, 12, 16a (w.q.) THAILAND. Indomalaya.

Primary type information: Type-material: holotype worker. Type-locality: Thailand: Central Thailand, Nakhon Nayok Province, Muaeng District, Ban Hin Subdistrict, 14°26′14″ N, 101°22′33″ E, 927 m., hill evergreen forest, nest in bark of large dipterocarp tree, Toona ciliata M. Roem., 18.xi.2019, colony code: WJW-THL19-006 (W. Wang & W. Jaitrong). Type-depository: THNHM. Type-specimen: THNHM-I-21759. Secondary type information: Paratype-material: 44 paratype workers, 5 paratype queens. Paratype-locality: same as for holotype. Paratype-depository: THNHM, ZRC. Paratype-specimens: THNHM-I-21760 to THNHM-I-21779 (workers); THNHM-I-21780, THNHM-I-21781 (queens); ZRC_ENT00013948.1 to ZRC_ENT00013948.25; GenBank: MW267129, MW267130 (workers).