Primary type information:
Primary type material: syntype workers (number not stated). Primary type localities: Laos: Muong-Nya (V. de Salvaza), Laos: Luang Prabang (V. de Salvaza). Primary type depositories: NHMB, SIZK.
Type notes:
1) Shattuck, 1994: 56, cites 40 worker syntypes. 2) Dill, 2002: 47, designated as lectotype a specimen in NHMB from Laos: Hah Sampong (V. de Salvaza), a locality not mentioned in the original description, nor in Santschi, 1924c: 110; lectotype designation redundant.