Monomorium rothsteini var. humilior Forel, 1910b: 27 (w.) AUSTRALIA (Northern Territory). Australasia.

Primary type information: Primary type material: lectotype worker (by designation of Sparks et al., 2014: 507). Primary type locality: lectotype Australia: Northern Territory (“Central Australia”), Tennant Creek (J.F. Field). Primary type depository: MHNG. Secondary type information: Secondary type material: 2 paralectotype workers, 1 paralectotype queen. Secondary type locality: same as for lectotype. Secondary type depository: MHNG. Type notes: 1) No queen is mentioned in the original description. 2) Genbank accession numbers: KC572889–572892, KC572943–572945, KC572953.