Arnoldius pusillus (Mayr, 1876) valid
Tapinoma pusillum Mayr, 1876: 83 (w.q.m.) AUSTRALIA (New South Wales). Australasia.
Primary type information: Primary type material: syntype workers, syntype queens, syntype males (numbers not stated). Primary type localities: Australia: Queensland, Rockhampton (no collector’s name), New South Wales, Sydney (no collector’s name). Primary type depositories: MHNG, NHMW. Type notes: Shattuck, 1994: 36, cites 2 worker, 4 queen syntypes in MHNG.
Obsolete combinations
Current subspecies (nominal plus)
Citations

Extant: 1 valid subspecies