Primary type information:
Primary type material: lectotype worker (by designation of Francoeur, 1973: 234). Primary type locality: lectotype U.S.A.: Arizona, Huachuca Mts, 4500 ft and 5600 ft (C.R. Biedermann). Primary type depository: MCZC.
Secondary type information:
Secondary type material: paralectotype workers (number not stated). Secondary type locality: same as for lectotype. Secondary type depositories: MCZC, USNM.
Original description says “several” workers from “two colonies”, with different altitudes; Francoeur does not state the altitude of origin of the lectotype.