Population abundance of the pomegranate whitefly, Siphoninus phillyreae (Haliday) larvae and pupae, the rate of parasitism were studied on pomegranate trees at Kafr El-Sheikh Governorate during 2006 and 2007 seasons. Results indicated that the highest abundance of S. phillyreae larvae and pupae were recorded during August through October in the two season. Encarsia inaron was only the parasitoid emerged from S. phillyreae larvae and pupae during the two successive seasons (2006 and 2007). Highest rate of parasitism occurred in October 48.6% on south direction 2006 season. The overall mean of parasitism on north, south east and west during 2006 were 18.9, 19.9, 12.4 and 15.4% respectively, these rates in 2007 season, were 17.8, 18.5, 15.3 and 19.4% respectively. As for the level, the lower level received the most of larvae and pupae of the pest and their parasitoid. The highest rate of parasitism occurred in October and reached 50.7% on lower level. The overall mean of parasitism was 3.3, 15.7 and 36.1% on upper, middle and lower levels of pomegranate trees during 2006 season, while in 2007 these percentages were 2.1, 16.3 and 34.2% respectively.