@article {1607,
	title = {Biological control of citrus blackfly (Homoptera: Aleyrodidae) in Nicaragua},
	journal = {Environmental Entomology},
	volume = {20},
	number = {6},
	year = {1991},
	pages = {1691-1698},
	author = {Swezey, S.L. and Cano Vasquez, E.}
}
@article {1608,
	title = {Biological control of citrus blackfly (Homoptera: Aleyrodidae) in Nicaragua},
	journal = {Environmental Entomology},
	volume = {20},
	number = {6},
	year = {1991},
	pages = {1691-1698},
	author = {Swezey, S.L. and Vasquez, E.C.}
}
@article {1292,
	title = {Evaluation of Encarsia formosa (Hymenoptera: Aphelinidae) for biological control of sweetpotato whitefly (Homoptera: Aleyrodidae) on poinsettia},
	journal = {Environmental Entomology},
	volume = {20},
	number = {2},
	year = {1991},
	pages = {713-719},
	author = {Parrella, M.P. and Paine, T.D. and Bethke, J.A.}
}
