| Omphax bilobata Janse, 1935 |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 338 |
| Omphax idonea Prout L. B., 1916 |
|
page: H. Roland |
| Omphax leucocraspeda Prout L. B., 1912 |
|
Prout L. B. 1912b. Lepidoptera Heterocera, fam. Geometridae, subfamily Hemitheinae. – In: Wytsman, Genera Insectorum 129. page: 196 |
| Omphax plantaria Guenée, 1858 |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 331 |
| Omphax rhodocera (Hampson, 1910) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 333 |
| Omphax shorti Prout L. B., 1912 |
|
Prout L. B. 1912b. Lepidoptera Heterocera, fam. Geometridae, subfamily Hemitheinae. – In: Wytsman, Genera Insectorum 129. page: 252 |
| Omphax shorti shorti Prout L. B., 1912 |
|
Prout L. B. 1912b. Lepidoptera Heterocera, fam. Geometridae, subfamily Hemitheinae. – In: Wytsman, Genera Insectorum 129. page: 252 |
| Omphax vicinitaria (Wallengren, 1863) |
|
page: TMSA |
| 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 |