| Idaea purpurascens (Prout L. B., 1916) |
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Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 238 |
| Idaea sinuilinea (Prout L.B., 1913) |
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Janse A. J. T. 1933–1935. The Moths of South Africa. Volume II. Geometridae (concluded). page: 229 |
| Idaea sublimbaria (Warren, 1900) |
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Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 101 |
| Idioglossa triumphalis Meyrick, 1918 |
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Meyrick E. 1918a. Descriptions of South African Micro-Lepidoptera. page: 56 |
| Ilemodes astriga Hampson, 1916 |
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Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 166 |
| Imbrasia epimethea (Drury, 1773) |
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Dufrane A. 1953b. Saturniidae d'Afrique. page: 250 |
| Imbrasia ertli Rebel, 1904 |
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Bouvier E. L. 1927d. Saturniens du Musée du Congo belge. page: 157 |
| Imbrasia orientalis Rougeot, 1962 |
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Takano H. & László G. M. 2022b. A provisional list of the Saturniidae and Eupterotidae of the Maputo Special Reserve, Mozambique (Lepidoptera: Bombycoidea). page: 12 |
| Indarbela tegula (Distant, 1897) |
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Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 35 |
| Isocentris filalis (Guenée, 1854) |
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Joannis J. de 1927. Pyralidae d'Afrique australe, principalement du district de Lourenço-Marques. page: 252 (as retinalis) |
| Isocrita phlyctidopa Meyrick, 1921 |
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Meyrick E. 1921b. Descriptions of South African Micro-Lepidoptera. page: 104 |
| Isoplenia trisinuata Warren, 1897 |
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Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 99 |
| Isturgia arizeloides Krüger, 2001 |
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Krüger M. 2001a. A revision of the tribe Macariini (Lepidoptera: Geometridae: Ennominae) of Africa, Madagascar and Arabia. page: 107 |
| Isturgia catalaunaria (Guenée, 1858) |
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Pagenstecher A. 1893. Lepidopteren gesammelt in Ost-Afrika 1888/89 von Dr. Franz Stuhlmann. page: 47 |
| Isturgia deerraria (Walker, 1861) |
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Krüger M. 2001a. A revision of the tribe Macariini (Lepidoptera: Geometridae: Ennominae) of Africa, Madagascar and Arabia. page: 99 |
| Isturgia exospilata (Walker, 1861) |
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Krüger M. 2001a. A revision of the tribe Macariini (Lepidoptera: Geometridae: Ennominae) of Africa, Madagascar and Arabia. page: 87 |
| Isturgia pulinda (Walker, 1860) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 87 |
| Isturgia spissata (Walker, 1862) |
|
Krüger M. 2001a. A revision of the tribe Macariini (Lepidoptera: Geometridae: Ennominae) of Africa, Madagascar and Arabia. page: 107 |
| Isturgia supergressa (Prout L. B., 1913) |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 87 |
| Jana eurymas Herrich-Schäffer, 1854 |
|
Pinhey E. C. G. 1975. Moths of southern Africa. Descriptions and colour illustrations of 1183 species. page: 130 |
| Jana roseata Rothschild, 1917 |
|
Rothschild W. 1917d. Some new moths of the families Arctiidae and Eupterotidae. page: 488 |
| Janomima mariana (White, 1843) |
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Hampson G. F. 1910c. Zoological collections from Northern Rhodesia and adjacent territories: Lepidoptera Phalaenae. page: 464 |
| Janseodes melanospila (Guenée, 1852) |
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Janse A. J. T. 1937–1939. The Moths of South Africa. Volume III. Cymatophoridae, Callidulidae and Noctuidae (Partim). page: 280 |
| Janthinisca joannoui Schintlmeister & Witt, 2015 |
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László G. M., Schintlmeister A. & Vetina A. A. 2021. A contribution to the knowledge of the prominent moths (Lepidoptera, Noctuoidea, Notodontidae) of the Maputo Special Reserve with descriptions of four new species. page: 224 |
| Kalenga culanota Whalley, 1971 |
|
Whalley P. E. S. 1971. The Thyrididae (Lepidoptera) of Africa and its islands. A taxonomic and zoogeographic study. page: 145 |