| Idaea consericeata (Prout L. B., 1913) |
Free State |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 236 |
| Idaea consericeata (Prout L. B., 1913) |
Northern Cape |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 236 |
| Idaea consericeata (Prout L. B., 1913) |
North-West |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 236 |
| Idaea consericeata (Prout L. B., 1913) |
Limpopo |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 236 |
| Idaea demaculata Krüger, 2019 |
Eastern Cape |
Krüger M. 2019b. Geometridae (Lepidoptera, Geometroidea). – In: Mey W. & Krüger M. (Eds), The Lepidoptera fauna of a crater valley in the Great Escarpment of South Africa: The Asante Sana Project. page: 375 |
| Idaea draconigena Herbulot, 1981 |
KwaZulu-Natal |
Herbulot C. 1981b. Deux nouveaux Geometridae du Natal et de l'Angola. page: 94 |
| Idaea echo (Prout L. B., 1916) |
Eastern Cape |
page: TMSA |
| Idaea echo (Prout L. B., 1916) |
Mpumalanga |
Prout L. B. 1916a. New South African Geometridae. page: 161 |
| Idaea enteucha Krüger, 2007 |
|
Krüger M. 2007b. Composition and origin of the geometrid fauna (Lepidoptera) of the Sneeuberge, Eastern Cape, with descriptions of new taxa. page: 34 |
| Idaea fortificata (Prout L. B., 1916) |
Mpumalanga |
Prout L. B. 1916a. New South African Geometridae. page: 160 |
| Idaea fortificata (Prout L. B., 1916) |
KwaZulu-Natal |
page: TMSA |
| Idaea fumilinea (Warren, 1903) |
Gauteng |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 231 |
| Idaea fumilinea (Warren, 1903) |
KwaZulu-Natal |
Warren W. 1903c. New African Thyrididae and Geometridae in the Tring museum. page: 273 |
| Idaea fumilinea (Warren, 1903) |
Limpopo |
page: TMSA |
| Idaea fumilinea (Warren, 1903) |
Mpumalanga |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 231 |
| Idaea fumilinea (Warren, 1903) |
Western Cape |
Prout L. B. 1925d. New species of Geometridae (Lepidoptera) in the collections of the South African Museum. page: 584 (as confracta) |
| Idaea fumilinea confracta (Prout L. B., 1925) |
Western Cape |
Prout L. B. 1925d. New species of Geometridae (Lepidoptera) in the collections of the South African Museum. page: 584 |
| Idaea fumilinea fumilinea (Warren, 1903) |
Gauteng |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 231 |
| Idaea fumilinea fumilinea (Warren, 1903) |
KwaZulu-Natal |
Warren W. 1903c. New African Thyrididae and Geometridae in the Tring museum. page: 273 |
| Idaea fumilinea fumilinea (Warren, 1903) |
Western Cape |
page: ZSM |
| Idaea fumilinea fumilinea (Warren, 1903) |
Mpumalanga |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 231 |
| Idaea fumilinea fumilinea (Warren, 1903) |
Limpopo |
page: TMSA |
| Idaea hardenbergi (Janse, 1935) |
Western Cape |
page: TMSA |
| Idaea hardenbergi (Janse, 1935) |
KwaZulu-Natal |
Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 227 |
| Idaea laticlavia (Prout L. B., 1922) |
Free State |
page: TMSA |