Primary type information:
Type-material: holotype worker. Type-locality: Vietnam: Lao Cai Prov., Deo O Quy Ho, 1750 m., 28.vi.1997 (S. Nomura). Type-depository: KUEC.
Secondary type information:
Paratype-material: 4 paratype workers. Paratype-locality: same as for holotype. Paratype-depositories: IEHV, KUEC, KUIC.