Primary type information:
Primary type material: syntype workers (number not stated). Primary type localities: Laos: Muong Pak (V. de Salvaza), Vietnam: Tonkin, Hanoi (no collector’s name; perhaps Fouquet). Primary type depositories: NHMB, SIZK.
Type notes:
1) Baroni Urbani, 1977e: 74, and Shattuck, 1994: 70, cite 31 worker syntypes in NHMB. 2) Radchenko et al., 2024: 282, cite 1 worker syntype in SIZK.