Eusphinctus (Eusphinctus) occidentalis Clark, 1924a: 74, fig. 1 (w.q.l.) AUSTRALIA (Western Australia). Australasia.

Primary type information: Primary type material: 360 syntype workers, 20 syntype queens. Primary type locality: Australia: Western Australia, Mundaring (J. Clark). Primary type depositories: MVMA, NHMB. Type notes: 1) Syntype numbers provided by Clark (in text). 2) Baroni Urbani, 1973b: 123, cites 3 worker, 1 queen syntypes in NHMB.