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

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