Primary type information:
Primary type material: syntype workers (number not stated). Primary type locality: Indonesia: Java, Tjiapus on the Salak river, at the creek, 1912-13 (W. Karawaiew). Primary type depositories: NHMB, SIZK.
Type notes:
1) Baroni Urbani, 1973b: 141, cites 2 worker syntypes in NHMB. 2) Kostyuk, 1976: 92, cites 56 worker syntypes in SIZK. 3) Radchenko et al., 2023: 19, cite 51 worker syntypes in SIZK.