Primary type information:
Type-material: holotype worker. Type-locality: Vietnam: Dak Lak Prov., Nam Kar Nature Reserve, 12.277°N, 108.094°E, ca 545 m., colony no. AKY11x17-114 (A. Yamada). Type-depository: IEHV.
Secondary type information:
Paratype-material: 11 paratype workers. Paratype-locality: same as for holotype. Paratype-depositories: AYPC, IEHV, KEPC, MCZC, MHNG.