Nesomyrmex rugosus Csősz & Fisher, 2016b: 22, figs. 3, 13A-C (w.q.m.) MADAGASCAR. Malagasy.

Primary type information: Type-material: holotype worker. Type-locality: Madagascar: Prov. Antsiranana, Masoala Nat. Park, -15.33058N, 50.30279E, 250 m., 13.iii.2014, BLF33157 (Fisher, et al.). Type-depository: CASC. Type-specimen: CASENT0374465. Secondary type information: Paratype-material: 2 paratype workers, 1 paratype queen, 1 paratype male. Paratype-locality: same as for holotype. Paratype-depository: CASC.