Primary type information:
Primary type material: holotype worker. Primary type locality: Micronesia: Caroline Is, Yap I., Rul, 16.ix.1939 (T. Esaki). Primary type depository: KUEC.
Secondary type information:
Secondary type material: paratype workers, paratype queens (numbers not stated, “numerous”). Secondary type locality: same as for holotype. Secondary type depository: KUEC.