oa Journal of the Entomological Society of Southern Africa - Biological control of the Citrus Blackfly, Aleurocanthus woglumi (Ashby) (Homoptera: Aleyrodidae) In South Africa



The citrus blackfly, Aleurocanthus woglumi (Ashby), was discovered near Durban in January, 1959, as reported by Bosman (1959), this being the first record of this insect pest in the Republic of South Africa. It was probably introduced into the country between 1950 and 1955, if not earlier. The citrus blackfly has been recorded as a very serious citrus pest in many parts of the world. The insect and the sooty mould which it causes can be harmful to the tree and cause defoliation. A severe infestation can reduce the crop or even result in the almost complete loss of the crop as the trees become stunted and cease to flower.


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