Oliveira, M. R. V. de; Lima, L. H. C. de. Isoenzyme Patterns of <i>Trialeurodes vaporariorum< i> and <i>Bemisia tabaci< i> (Homoptera, Aleyrodidae) and of <i>Encarsia formosa< i> and <i>E. lycopersici< I> (Hymenoptera, Aphelinidae). PAB 1997, 32, 683-687.