Oligomyrmex hannya Terayama, 1996b: 21, figs. 44-47 (s.w.) JAPAN. Palearctic.

Primary type information: Type-material: holotype major worker. Type-locality: Japan: Okinawa Pref., Okinawa-jima, Syuri, 6.x.1988 (M. Terayama). Type-depository: MNHA. Secondary type information: Paratype-material: 5 paratype major workers, 12 paratype minor workers. Paratype-localities: 2 paratype major workers, 5 paratype minor workers with same data as holotype, 2 paratype major workers, 5 paratype minor workers Okinawa-jima, Chibana, 19.v.1983 (T. Mizukami), 1 paratype major worker, 2 paratype minor workers Okinawa-jima, Chinen, 26.viii.1975 (T. Abe). Paratype-depositories: NIAS, NSMT.