Primary type information:
Primary type material: holotype worker. Primary type locality: Thailand: Chiangmai Prov., Monthatarn Falls, Doi Suthep Nat. Park, 18.8°N, 96.9°E, 635 m., i-ii.1998 (S. Sonthichai). Primary type depository: LACM.
Secondary type information:
Secondary type material: 1 paratype worker. Secondary type locality: same as for holotype. Secondary type depository: LACM.