Aphaenogaster gracillima Watanabe & Yamane, 1999: 735, figs. 4, 16 (w.q.m.) JAPAN. Palearctic.

Primary type information: Primary type material: holotype worker. Primary type locality: Japan: Ryukyu Is, Iriomote-jima, Komi, 26.iii.1991 [colony 91019] (H. Watanabe). Type depository: none stated (probably NIAS, OIST, SKYC, possibly also KUIC, MNHA, UTKC). Secondary type information: Secondary type material: 23 paratype workers, 1 paratype queen, 1 paratype male. Secondary type locality: same as for holotype. Type depository: none stated (probably NIAS, OIST, SKYC, possibly also KUIC, MNHA, UTKC).