Melophorus caeruleoviolaceus Heterick et al., 2017: 331, fig. 77 (s.w.) AUSTRALIA (South Australia, Northern Territory, Western Australia). Australasia.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Australia: South Australia, Victoria Desert, 53 km. E Vokes Hill, 9.x.1976, (11) (P.J.M. Greenslade). Primary type depository: ANIC. Secondary type information: Secondary type material: 2 paratype major workers, 1 paratype media worker, 9 paratype minor workers. Secondary type localities: 1 paratype media, 1 paratype minor worker with same data as holotype, 4 paratype minor workers Northern Territory, Emily Gap, 18.v.1978, nest N65 (Zhakharov), 2 paratype major workers Western Australia, 16 km. W Mt Aloysius, 16.xi.1977 (J.E. Feehan, T. Weir), 3 paratype minor workers South Australia, Wilgena Hill, E Tarcoola, 2.x.1976, (3) a (P.J.M. Greenslade), 1 paratype minor worker Western Australia, 146.8 km. SSE Newman, iv.1997, pitfall trap B1 (S. van Leeuwen & R.N. Bromilow). Secondary type depositories: ANIC, BMNH, MCZC, SAMA, WAMP.