Primary type information:
Primary type material: lectotype worker (by designation of 
Francoeur, 1973: 249). Type localities: Mexico: Hidalgo, Guerrero Mill (9000 ft) (
W.M. Mann), Hidalgo, Velasco (
W.M. Mann), Hidalgo, below Real del Monte (
W.M. Mann), Hidalgo, El Chico (
W.M. Mann), Hidalgo, Pachuca (
W.M. Mann). Primary type depository: 
MCZC.
Secondary type information:
Secondary type material: paralectotype workers, paralectotype queens (numbers not stated), 1 paralectotype male. Type localities: Mexico: Hidalgo, Guerrero Mill (9000 ft) (
W.M. Mann), Hidalgo, Velasco (
W.M. Mann), Hidalgo, below Real del Monte (
W.M. Mann), Hidalgo, El Chico (
W.M. Mann), Hidalgo, Pachuca (
W.M. Mann). Secondary type depositories: 
AFPC, 
AMNH, 
MCZC, 
MHNG, 
USNM.
Type notes:
1) 
Francoeur, 1975: 263, cites 3 worker syntypes in 
MHNG. 2) 
Francoeur, 1973: 249, does not specify the locality of the lectotype; he merely says “I have examined specimens from all these localities except Velasco”.