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Breyer H. G. 1917. Notes on expedition to Gazaland, along the Limpopo river, 29th June to 12th August, 1916. - Annals of the Transvaal Museum 5:283-290.
Berio E. 1941c. Elenco di lepidotteri eteroceri raccolti da Querci-Romei in Somalia con diagnosi di nuove specie. - Memorie della Società Entomologica Italiana 20:118-124.
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175
*
On the flowers (see D. G. Sevastopulo 1975: 175).