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Diversity of Ichneurnonidae (Hymenoptera) was studied in alfalfa fields (Medicago sativa L.) in two Egyptian Oases: Bahariya and Farafra. Sampling was carried out from January 2013 to December 2014. A total of 206 specimens belong to 8 subfamilies, 14 genera and 24 species was collected. Seven species were recorded for the first time for Egypt: Barylypa bipartite Morley, 1913; Bathyplectes exiguus (Gravenhorst, 1829); Campoletis chloridae Uchida, 1957; Diadegma insulare (Cresson, 1865); Dichrogaster saharator (Aubert, 1964); Exochus semilividus Vollenhoven, 1875 and Pimpla wilchristi Fitton, Shaw & Gauld, 1988. Also, eleven species were newly recorded in association with alfalfa: Anomalon venustulum (Tosquinet, 1896); Barylypa pallida (Gravenhorst, 1829); Bathyplectes exigutis (Gravenhorst, 1829); Campolites chloridae Uchida, 1957; Casinaria trochanerator Maheshwary and Gupta, 1977; Diadegma insulare (Cresson, 1865); Dichrogaster aestivalis (Gravenhorst, 1829); Exochus semilividus Vollenhoven, 1875; Enicospilus cruciator Viktorov, 1957 and Pimpla wilchristi Fitton, Shaw & Gauld, 1988.