Lethaeus africanus Dallas, 1852a: 557. NT (Scudder, 1967a: 255): female, Sierra Leone, Njala; BMNH.
Lethaeus niger Dallas, 1852a: 592 (syn. Slater, 1964a: 825). Plate XV, fig. 3.
Lethaeus simpsoni Bergroth, 1912d: 195 (syn. Scudder, 1967a: 280; Slater, 1967: 245). LT (Scudder, 1967a: 280): Ceylon [= Sri Lanka]; BMNH.