The following new species of Aphids have been sent from Africa; four are from a collection forwarded by Mr. Claude Fuller of the Department of Agriculture of the Union of South Africa (Macrosiphum cissi, Phorodon violae, Capitophorus chrysanthemi and Forda natalensis); one has been sent by Mr. C. C. Gowdey from the British East African Protectorate which has to be placed in a new genus (Cerciaphis).
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Fred. V. Theobald (1920) studied this question.