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	title = {First establishment of Encarsia cf. smithi (Hymenoptera: Aphelinidae), a parasitoid of the spiny blackfly, Aleurocanthus spiniferus (Hemiptera: Aleyrodidae), in southern Africa},
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	author = {Berg, M.A. van den and Greenland, J.}
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	author = {Berg, M.A. van den and Greenland, J.}
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	author = {Berg, M.A. van den and Greenland, J.}
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	title = {Rearing and releasing methods for Encarsia cf. smithi (Hym.: Aphelinidae), used in a classical biological programme for the spiny blackfly, Aleurocanthus spiniferus},
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	author = {Berg, M.A. van den and Greenland, J.}
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	number = {1},
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	author = {Berg, M.A. van den and Greenland, J.}
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@conference {210,
	title = {Classical biological control of the spiny blackfly, Aleurocanthus spiniferus (Hem.: Aleyrodidae), an economic study. (Abstract 1684)},
	booktitle = {Abstracts, XXI International Congress of Entomology, Brazil, August 20-26, 2000},
	year = {2000},
	pages = {424},
	author = {Berg, M.A. van den and H{\"o}ppner, G. and Greenland, J.}
}
@article {211,
	title = {An economic study of the biological control of the spiny blackfly, Aleurocanthus spiniferus (Hemiptera: Aleyrodidae), in a citrus orchard in Swaziland},
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	number = {1},
	year = {2000},
	pages = {27-32},
	author = {Berg, M.A. van den and H{\"o}ppner, G. and Greenland, J.}
}
