Monomorium xuthosoma Heterick, 2006: 151, figs. 25, 69 (w.q.) MADAGASCAR. Malagasy.

Primary type information: Type-material: holotype worker. Type-locality: Madagascar: Prov. Toliara, Tsimanampetsotsa, 6.7 km. 130° SE Efoetse, 24°06’S, 43°46’E, 25 m., 18-22.iii.2002, BLF06160, sifted litter, spiny forest/thicket (B.L. Fisher, et al.). Type-depository: CASC. Type-specimen: CASENT0020507. Secondary type information: Paratype-material: 9 paratype workers, 2 paratype queens. Paratype-locality: same as for holotype. Paratype-depositories: ANIC, BMNH, CASC, MCZC.