@article {205,
	title = {First establishment of Encarsia cf. smithi (Hymenoptera: Aphelinidae), a parasitoid of the spiny blackfly, Aleurocanthus spiniferus (Hemiptera: Aleyrodidae), in southern Africa},
	journal = {African Plant Protection},
	volume = {2},
	number = {2},
	year = {1996},
	pages = {127-129},
	author = {Berg, M.A. van den and Greenland, J.}
}
@article {209,
	title = {Pest status of two blackfly species on citrus in South Africa and Swaziland},
	journal = {African Plant Protection},
	volume = {7},
	number = {1},
	year = {2001},
	pages = {53-57},
	author = {Berg, M.A. van den and Greenland, J.}
}
