Primary type information:
Primary type material: 2 syntype workers. Primary type localities: 1 worker Vietnam (“Central Annam”): Bana, nr Tourane, 1400 m., 1.x.1931, no. 5768 (K. Davydov), 1 worker Vietnam (“Central Annam”): Col de Nuage, ix.1931, no. 5769 (K. Davydov). Primary type depository: SIZK.