Melophorus castaneus Heterick et al., 2017: 92, fig. 9 (s.w.) AUSTRALIA (South Australia, Victoria, Northern Territory, New South Wales, Western Australia). Australasia.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Australia: South Australia, Gawler Ranges, 5.x.1972 (P.J.M. Greenslade). Primary type depository: ANIC. Primary type specimen: ANIC32-900180. Secondary type information: Secondary type material: 1 paratype major worker, 2 paratype media workers, 8 paratype minor workers. Secondary type localities: 1 paratype major, 1 paratype media workers with same data as holotype, 1 paratype minor worker Victoria, 2 km. E Cowangie, 5.xi.1991, #26177 (S.O. Shattuck), 5 paratype minor workers Northern Territory, Kunoth Paddock, nr Alice Springs, 24-26.ix.1980 (P.J.M. Greenslade), 1 paratype minor worker New South Wales, Sturt Nat. Park, xi.1979, traps 2, 40 (P.J.M. Greenslade), 1 paratype minor worker Northern Territory, 105 km. N Yuendumu, 23.v.1986 (P.J.M. Greenslade), 1 paratype media worker Western Australia, Ethel Creek, 1993-4 (P.A. Varris). Secondary type depositories: ANIC, BMNH, MCZC, QMBA, SAMA, WAMP.