The percentage of infestation caused by the larvae of 8acterocera oleae
Gmel. Varied from 40 % and 86 % in the first season and from 0 % and 58 % in the
second season al EI-Arlsh locality. On the other hand, the percentage of infestation at
Rafah locality ranged between (40 % and 94 %) and (20 % and 72 %) In the flrsl
season and the second season, respectively. The average percentage of parasitism caused by the hymenopterous
parasltoids at EI-Arish locality were 16.27 % and 7.87 % during the first season 2002
and the second season 2003, respectively. At Rafah locality. the average rates of parasitism were 15 % and 26.32 % during
the first season and the second season, respectively.