M. M.  Roskam, Wessels, G. H., and van Lenteren, J. C., ?Flight capacity and body size as indicators of qualty for whitefly parasitoid Encarsia formosa ?, Proceedings of the Esction Experimental and Applied Entomology of the Netherlands Entomological Society, vol. 7, pp. 159-164, 1996.

Y. C.  Drost, Elmula, A. F., and Doodeman, C. J. A. M., ?Development of selection criteria for natural enemies in bological control: parasitoids of Bemisia argentifolii ?, Proceedings of the Esction Experimental and Applied Entomology of the Netherlands Entomological Society, vol. 7, pp. 165-170, 1996.