Primary type information:
Primary type material: holotype major worker. Primary type locality: Mexico: Sinaloa, 59 km. N Culiacan (R.J. Hamton). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 1 paratype minor worker. Secondary type locality: same as for holotype. Secondary type depository: MCZC.
Details of paratype castes and their numbers are not given.