Melophorus sericothrix Heterick et al., 2017: 298, fig. 69 (s.w.) AUSTRALIA (South Australia, Western Australia). Australasia.

Primary type information: Primary type material: holotype minor worker. Primary type locality: Australia: South Australia, Brookfield Conservation Park, 34°19’S, 139°29’E, 29.x.1991, #2506.3 (S.O. Shattuck). Primary type depository: ANIC. Secondary type information: Secondary type material: 9 paratype major workers, 2 paratype media workers, 10 paratype minor workers. Secondary type locality: 2 paratype minor workers with same data as holotype, 3 paratype major workers with same data as holotype but #2507.3, 2 paratype minor workers Western Australia, Worsley, ii.2014, WP 92 (G. Orabi), 3 paratype major, 1 paratype media, 3 paratype minor workers Western Australia, 9 mi. E Newdegate, 4.x.1947 (T. Greaves), 3 paratype major workers South Australia, Brookfield, 198h 5, 128 (no collector’s name), 1 paratype media, 1 paratype minor worker Western Australia, Eneabba-Leeman Road, iv.2004, L57 (R. Dunn), 2 paratype minor workers Western Australia, 2 km. S Worsley, 11.ii.2004, WP 92 (G. Orabi). Secondary type depositories: ANIC, BMNH, MCZC, SAMA, WAMP.