Primary type information:
Primary type material: syntype workers, syntype queens (numbers not stated). Primary type locality: Indonesia: Java, Buitenzorg (= Bogor), Botanical Gardens, 1912-13, Nr. 2416 (
W. Karawaiew). Primary type depositories: 
NHMB, 
SIZK. Primary type specimen: 
CASENT0916847.
Type notes:
1) 
Baroni Urbani, 1973b: 143, cites 2 worker, 1 queen syntypes in 
NHMB. 2) 
Kostyuk, 1976: 93, cites 13 worker, 2 queen, 1 male in 
SIZK (the male is not mentioned in the original description). 3) 
Radchenko et al., 2023: 13, cite 26 worker, 9 queen syntypes in 
SIZK (and exclude the male from the type series).