Proceratium bhutanense de Andrade, 2003a: 278, figs. 116, 117 (w.) BHUTAN. Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Bhutan: Phuntsholing, 2/400 m., 15.4, 1972 (NHMB Bhutan Expd.) (no collector’s name, perhaps C. Baroni Urbani). Primary type depository: NHMB. Secondary type information: Secondary type material: 2 paratype workers. Secondary type locality: same as for holotype. Secondary type depository: MRSN, NHMB.