Primary type information:
Primary type material: lectotype worker (by designation of Yoshimura et al., 2007: 93). Primary type locality: lectotype Japan: Okinawa, Ryukyu Is., 25.x.1907, no. 425 (K. Kuroiwa). Primary type depository: SEHU.
Secondary type information:
Secondary type material: 1 paralectotype worker. Secondary type locality: same as for lectotype. Secondary type depository: SEHU.