Hoffmann, John Hugh

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Hoffmann, John Hugh. Rhodes University; 1976. Pre-release studies on Zophodia Tapiacola (Dyar) (Pyralidae : Lepidoptera) : a biological control agent against jointed cactus, Optuntia Aurantiaca Lindley.

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Hoffmann, John Hugh. Rhodes University; 1982. Evaluation of Tucumania Tapiacola Dyar (Lepidoptera: Phycitidae) for biological control of jointed cactus in South Africa.

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