| Oncocera salisburyensis (Balinsky, 1994) |
|
Balinsky B. I. 1994. A study of African Phycitinae in the Transvaal Museum. page: 30 |
| Oncotibialis flava Janse, 1938 |
|
Janse A. J. T. 1937–1939. The Moths of South Africa. Volume III. Cymatophoridae, Callidulidae and Noctuidae (Partim). page: 202 |
| Oneiliana multifera Prout L. B., 1922 |
|
Prout L. B. 1922a. New and little-known Geometridae. page: 333 |
| Ophiusa cancellata (Saalmüller, 1891) |
|
Hampson G. F. 1905b. The moths of South Africa (part III). page: 431 (as melaconisia) |
| Ophiusa dianaris (Guenée, 1852) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 214 |
| Ophiusa finifascia (Walker, 1858) |
|
page: R. Butler |
| Ophiusa mejanesi (Guenée, 1852) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 214 |
| Ophiusa pseudotirhaca (Berio, 1956) |
|
page: R. Butler |
| Ophiusa salita Distant, 1898 |
|
page: TMSA |
| Ophiusa selenaris (Guenée, 1852) |
|
Hampson G. F. 1913c. Catalogue of the Lepidoptera Phalaenae in the collection of the British Museum (Nat. Hist.). XII. Noctuidae. page: 444 |
| Ophiusa tirhaca (Cramer, 1777) |
|
Hampson G. F. 1902a. The moths of South Africa (Part II). page: 342 |
| Ophiusa violascens Hampson, 1902 |
|
page: TMSA |
| Opogona omoscopa (Meyrick, 1893) |
|
page: I. Riddell |
| Opostegoides pelocrossa (Meyrick, 1928) |
|
Meyrick E. 1928b. Exotic Microlepidoptera 3. page: 396 |
| Oraesia emarginata (Fabricius, 1794) |
|
Pinhey E. C. G. 1960. The larvae of some moths reared by Mr. D. K. B. Wheeler at Syringa Farm, Southern Rhodesia. Part I. page: 492 |
| Oraesia provocans Walker, 1858 |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 227 |
| Oraesia triobliqua (Saalmüller, 1880) |
|
page: TMSA |
| Orbamia octomaculata (Wallengren, 1872) |
|
Janse A. J. T. 1932. The moths of South Africa. Volume I. Sematuridae and Geometridae. page: 251 |
| Oreocossus kilimanjarensis (Holland, 1892) |
|
Yakovlev R. V. & Lenz J. 2013. On the Fauna of Cossidae (Lepidoptera) of Zimbabwe with description of a new species. page: 394 |
| Orophia pachystoma (Meyrick, 1921) |
|
Meyrick E. 1921b. Descriptions of South African Micro-Lepidoptera. page: 101 |
| Orphanostigma abruptalis (Walker, 1859) |
|
Fletcher T. B. 1910a. Lepidoptera exclusive of the Tortricidae and Tineidae, with some remarks on their distribution and means of dispersal among the islands of the Indian Ocean. (The Percy Sladen Trust Expedition to the Indian Ocean in 1905). page: 304 |
| Orthogonioptilum adiegetum Karsch, 1893 |
|
Rougeot P.-C. 1962a. Les Lépidoptères de l'Afrique noire occidentale. Attacidés (= Saturniidés). page: 28 |
| Orthonama obstipata (Fabricius, 1794) |
|
page: R. Butler |
| Oruza juergenlenzi Hacker, 2019 |
|
Hacker H. H. 2019a. Biogeograpy; Boletobiinae (Erebidae). Moths of Africa. Systematic and illustrated catalogue of the Heterocera (Lepidoptera) of Africa. Volume 1. page: 482 |
| Orygocera thysanarcha (Meyrick, 1918) |
|
Staude H. S., Picker M. & Griffiths Ch. 2023. Southern African moths & their caterpillars. page: 76 (map) |