Phyracaces singaporensis Viehmeyer, 1916a: 110 (w., ergatandromorph) SINGAPORE. Indomalaya.

Primary type information: Primary type material: syntype workers (number not stated), 1 syntype ergatandromorph. Primary type locality: Singapore: 14: 64 (no further data), (xi.1912-vi.1914) (H. Overbeck). Primary type depositories: MNHU, NHMB (perhaps also SMTD). Primary type specimens: CASENT0911265, FOCOL0807 to FOCOL0809. Type notes: Baroni Urbani, 1973b: 125, cites 2 worker syntypes in NHMB.