Primary type information:
Primary type material: syntype workers (number not stated, “numerous”). Primary type locality: Indonesia: Sumatra, NW Labuan Bilik (V. Surbek). Primary type depositories: NHMB, SIZK.
Type notes:
1) Baroni Urbani, 1977e: 72, and Shattuck, 1994: 47, cite 7 worker syntypes in NHMB. 2) Radchenko et al., 2024: 282, cite 2 worker syntypes in SIZK.