Primary type information:
Primary type material: lectotype worker (by designation of LaPolla, 2004a: 38). Primary type locality: lectotype Indonesia: Sumatra, Tanjong Slamat, 9.iv.-14.vi.1912 (H. von Buttel-Reepen). Primary type depository: NHMB.
Secondary type information:
Secondary type material: paralectotype workers (number not stated). Secondary type locality: same as for lectotype. Secondary type depository: NHMB.