Melophorus orthonotus Heterick et al., 2017: 287, fig. 62 (w.) AUSTRALIA (Western Australia). Australasia.

Primary type information: Primary type material: holotype media worker. Primary type locality: Australia: Western Australia, 85 km. E Meentheena OC, 21°17’44’’S, 121°15’50’’E, 29.vii.2003-11.x.2004, CALM Pilbara Survery, Site NE 13 (no collector’s name). Primary type depository: WAMP. Secondary type information: Secondary type material: 1 paratype major worker. Secondary type locality: Western Australia, 23 km. NE Warrawagine Hstd, 22.v.2006-21.viii.2006, CALM Pilbara Survery, Site PHYEO1 (no collector’s name). Secondary type depository: ANIC.