A field study was carried out to find presence egg parasitoids on egg masses of sunn pest Eurygaster testudinaria Geoffroy and effect of some climatic conditions such as temperature and relative humidity in Kufa/Najaf province during 2017-2020 seasons. the results showed difference in the prevalence of parasitoids according to the species of parasitoids. The parasitoid O. telenomicida is the most common egg parasitoid in region of study and percentage parasitism ranged 6.06 -18.80% in March and 32.24-55.04% in April for all season. The results also showed that egg parasitoids activity begin in the early spring. The time of presence of parasitoid in the field has varied from year to year depending on the presence of Sunn pest and prevailing weather conditions of temperatures and relative humidity.