Primary type information:
Primary type material: holotype major worker. Primary type locality: Vietnam: Vinh Phuc Prov., Tam Dao Nat. Park (21°27’N, 105°38’E, ca 1000 m.), Eg01-VN-130, 6.xi.2001 (
K. Eguchi). Primary type depository: 
IEHV.
Secondary type information:
Secondary type material: 14 paratype major workers, 15 paratype minor workers. Secondary type locality: same as for holotype. Secondary type depositories: 
BMNH, 
IEHV, 
KEPC, 
KUIC, 
MCZC, 
MHNG, 
NHMW.