Primary type information:
Primary type material: holotype major worker. Primary type locality: Mexico: San Luis Potosi, 19 km. N Estado Guanajuato (W.P. Mackay). 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.
Type notes:
Details of paratype castes and their numbers are not given.