oa Journal of the Entomological Society of Southern Africa - Redescription of ten of Cogan's species of South African Cicadelloidea (Hemiptera)
In his paper on South African Homoptera, Cogan (1916) descriptionbed twenty new species of Cicadelloidea, mainly from the vicinity of Cape Town. His descriptionptions are however inadequate for accurate identification and his figures are often misleading. Ten of these species are here redescriptionbed from the type specimens present in the South African Museum, Cape Town, and made available for study by Dr. A.J. Hesse. Typhlocyba purpureatincta Cogan will be treated in a paper to be published by Dr. B. M. Gerard and the remaining nine species could not be redescriptionbed because the types are either missing or consist only of females with which none of the males, collected thusfar in the type localities, could definitely be associated. Eighteen of Cogan's paratypes, deposited in the Ohio State University, were kindly made available by Professor Dwight M. DeLong, who also lent paratypes of Balclutha guajanae (DeLong).
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