| Iangaigheria semiales (Balinsky, 1994) |
|
Balinsky B. I. 1994. A study of African Phycitinae in the Transvaal Museum. page: 77 |
| Icteritilema sheppardi Krüger, 2015 |
|
Krüger M. 2015b. Generic classification of Afrotropical footman moths sensu stricto (Lepidoptera: Erebidae: Arctiinae: Lithosiini (partim)). page: 53 |
| Idaea associata (Warren, 1897) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 234 |
| Idaea auriflua (Warren, 1902) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 100 |
| Idaea auriflua auriflua (Warren, 1902) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 100 |
| Idaea basicostalis (Warren, 1900) |
|
page: R. Butler |
| Idaea consericeata (Prout L. B., 1913) |
|
page: TMSA |
| Idaea controversata (Prout L. B., 1922) |
|
Prout L. B. & Prout A. E. 1922. New South African Heterocera. page: 159 |
| Idaea flamingo (Warren, 1901) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 239 |
| Idaea fumilinea (Warren, 1903) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 231 |
| Idaea fumilinea fumilinea (Warren, 1903) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 231 |
| Idaea heres (Prout L. B., 1932) |
|
Prout L. B. 1932c. New genera and species of Sterrhinae (Fam. Geometridae). page: 248 |
| Idaea laticlavia (Prout L. B., 1922) |
|
Prout L. B. & Prout A. E. 1922. New South African Heterocera. page: 158 |
| Idaea lilliputaria (Warren, 1902) |
|
page: TMSA |
| Idaea ossicolor (Janse, 1935) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 246 |
| Idaea pericalles (Prout L. B., 1913) |
|
Prout L. B. 1913b. New South African Geometridae. page: 202 |
| Idaea rufifascia (Prout L. B., 1916) |
|
page: TMSA |
| Idaea sinuilinea (Prout L.B., 1913) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 229 |
| Idaea squamulata (Warren, 1900) |
|
page: TMSA |
| Idaea sublimbaria (Warren, 1900) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 101 |
| Idaea subterfundata (Prout L. B., 1922) |
|
Prout L. B. & Prout A. E. 1922. New South African Heterocera. page: 161 |
| Idaea trissosemia (Prout L. B., 1922) |
|
Prout L. B. & Prout A. E. 1922. New South African Heterocera. page: 161 |
| Idaea umbricosta (Prout L.B., 1913) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 241 |
| Idaea umbricosta umbricosta (Prout L.B., 1913) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 241 |
| Idiochlora approximans (Warren, 1897) |
|
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 303 |