Primary type information:
Primary type material: lectotype major worker (by designation of Eguchi, 2001a: 12). Primary type locality: lectotype Indonesia: Sumatra, Sapu and Karu Rivers region (Si Ngingis Kampar Kiri) (Bluntschli). Primary type depository: MHNG.
Secondary type information:
Secondary type material: 2 paralectotype minor workers. Secondary type locality: same as for lectotype. Secondary type depository: MHNG.