Primary type information:
Primary type material: lectotype major worker (by designation of Wilson, 2003a: 366). Primary type locality: lectotype Argentina: Entre Rios, Stación Sonsa (MacDonagh). Primary type depository: NHMB.
Secondary type information:
Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depository: NHMB.