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Israelius carthami Richards, 1952 was recorded for the first time from Iran, based on reared specimens from three Asteraceae capitulum: Cirsium congestum Fisch. & C.A.Mey., Carthamus lanatus L. and Xeranthemums quarrosum Boiss. In our rearing, a fruit fly species [Terellia nigripalpis Hendel (Diptera: Tephritidae)] was obtained on C. congestum. All host-plant associations are newly established to the science. General distribution of this parasitoid and their biological associations were discussed.