Primary type information:
Primary type material: 2 syntype workers. Primary type localities: 1 worker Vietnam: Gulf of Siam, Cay-Dua, Phuquoe I., 26.xi.1931, Nr. 5664 (K.N. Davydov), 1 worker Vietnam (“Cochinchine”): Cauda, 1930-31, Nr. 5680 (K.N. Davydov). Primary type depository: SIZK.