Primary type information:
Type-material: holotype major worker. Type-locality: Vietnam: Dong Nai, S Cat Tien N.P. (Crocodile Lake Trail, < 160 m.), 17.x.2004 Eg04-VN-691 (K. Eguchi). Type-depository: IEHV.
Secondary type information:
Paratype-material: 3 paratype major worker, 7 paratype minor workers, 1 paratype ergatoid queen. Paratype-locality: same as for holotype. Paratype-depositories: KEPC, MCZC, MHNG, NHMW, SKYC.