Halictus mosselinus Cockerell, 1945: 280-281.
Patellapis (Chaetalictus) mosselina Pauly, 1999: 150, 174.
Evylaeus (Sellalictus) fynbosensis Pauly, Timmermann & Kuhlmann, 2008: 85-91. Syn. nov.
Lasioglossum mosselinum – Timmermann & Kuhlmann 2009: 180.

This is the priority name for L. fynbosense.
Here are pictures of the type from Mossel Bay, ix.1933, leg. RE. Turner (BMNH), examined December 2011.

Type material Halictus mosselinus (1 specimen). Holotype ♀, Cape Province, Mossel Bay, ix. 1933 (white label), S. Africa, R.E. Turner, Brit. Mus. 1933-552 (white label), Type (red-white label), B.M. TYPE HYM. 17a.1109 (white label), Halictus mosselinus Ckll Type (handwritten white label), BMNH.

Male
Body length 7.5 mm. Wing length 6 mm. Legs very long, especially tarsi (length of posterior tarsi equal to length of mesosoma), totally black to blackish brown except foretarsi yellowish brown (all tarsi yellowish in L. hantamense and L. tigrinum). Metapostnotum with longitudinal ridges. Dorsolateral slopes of propodeum shining, punctate. Punctation of mesoscutum sparse between parapsidal lines (i = 3–4d) (denser in L. timmermanni). Metasoma blackish, sometimes partly
orange red. Gonostylus with long apical setae (longer than basal width of gonostylus).

Female
Body length 7 mm. Wing length 6 mm. Metasoma red, base of T1 and T5-T6 blackish (metasoma largely black in L. hantamense and L. tigrinum; T5 red in L. timmermanni). Metapostnotum with longitudinal ridges, dorsolateral slopes of propodeum shining (slopes shagreened in L. timmermanni). Punctation of mesoscutum sparse between parapsidal lines (i = 2d).