Primary type information:
Primary type material: lectotype major worker (by designation of Agosti, 1991: 303). Primary type locality: lectotype Malaysia: Borneo, Sarawak, Bidi, viii.1907 (J. Hewitt). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 7 paralectotype major and minor workers, 2 paralectotype queens. Secondary type locality: same as for lectotype. Secondary type depository: MCZC.