Melophorus isaiah Heterick et al., 2017: 267, fig. 61 (s.w.) AUSTRALIA (Northern Territory, South Australia). Australasia.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Australia: Northern Territory, ca 9 km. E Finke, 30.ix.1972, ANIC ants vial 15.156 (J.E. Feehan). Primary type depository: ANIC. Secondary type information: Secondary type material: 3 paratype major workers, 5 paratype minor workers. Secondary type localities: 1 paratype major worker with same data as holotype, 2 paratype major, 4 paratype minor workers South Australia, Bopeechee Siding, 24.vii.1956, RSM, QHD3 A97 (no collector’s name), 1 paratype minor worker South Australia, Lake Eyre South, 23.ix.1980 (H. Heatwole & P.J.M. Greenslade). Secondary type depositories: ANIC, BMNH, MCZC, SAMA.