oa Journal of the Entomological Society of Southern Africa - The species of Marietta and a new Centrodora from South Africa (Hymenoptera: Aphelinidae)
In this paper six species of Marietta Motschulsky, 1863 are added to the two which are at present known from South Africa. Five of these are descriptionbed as new species from material reared from coccoid-infested plant material collected in South Africa. The sixth is a species originally descriptionbed from Madagascar and since recorded from West Africa. A descriptionption is also given of an apparently new species of Centrodora Foerster, 1878-the second from South Africa. This is a species of some value to forestry, for it was submitted for determination as a parasite of the eggs of a cicadellid pest of young wattle trees in Natal.
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