Primary type information:
Primary type material: holotype major worker. Primary type locality: Mexico: Morelos (nr Cuernavaca), 15 mi. S El Guarda, 19°09’N, 99°11’W, 14.xi.1946 (W.S. Ross). Primary type depository: CASC.
Secondary type information:
Secondary type material: 13 paratype major and minor workers. Secondary type locality: same as for holotype. Secondary type depositories: CASC, LACM, MCZC, UNAM, USNM, WEMC.