Primary type information:
Primary type material: lectotype worker (by designation of Francoeur, 1973: 67). Primary type locality: lectotype U.S.A.: Illinois, Rockford (W.M. Wheeler). Primary type depository: MCZC.
Secondary type information:
Secondary type material: 11 paralectotype workers. Secondary type locality: same as for lectotype. Secondary type depositories: MCZC, USNM.