Primary type information:
Primary type material: holotype major worker. Primary type locality: U.S.A.: California, Imperial County, 5 mi. E Greys Well (W.S. Creighton). Primary type depository: FMNH.
Secondary type information:
Secondary type material: 15 paratype major workers, 32 paratype minor workers. Secondary type locality: same as for holotype. Secondary type depositories: FMNH, LACM, MCZC, USNM.