Melophorus castanopus Heterick et al., 2017: 168, fig. 32 (s.w.q.) AUSTRALIA (South Australia). Australasia.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Australia: South Australia, 4 km. S Auburn, 14.ii.1974 (P.J.M. Greenslade). Primary type depository: ANIC. Secondary type information: Secondary type material: 7 paratype major worker, 1 paratype media worker, 7 paratype minor workers, 1 paratype queen. Secondary type localities: 2 paratype minor workers with same data as holotype, 1 paratype major, 1 paratype media, 1 paratype minor worker South Australia, Bridgewater, 23.ix.1972 (P.J.M. Greenslade), 1 paratype major worker South Australia, Belair, 20-23.xii.1971, traps-7 (P.J.M. Greenslade), 1 paratype major, 1 paratype minor worker South Australia, Calca, 26.ix.1957, ANIC ants vial 22.188 (B.B. Lowery), 3 paratype minor workers South Australia, Kangaroo I., Harveys Return, 15.i.1973 (P.J.M. Greenslade), 3 paratype major workers South Australia, Lofty Ranges, Morialta Reserve, 8.ix.1957 (B.B. Lowery), 1 paratype major worker, 1 paratype queen South Australia, Belair, iii.1971, traps 1217 (P.J.M. Greenslade). Secondary type depositories: ANIC, BMNH, MCZC, SAMA.