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The Evanioidea wasp fauna of Iran is reviewed. The study is based on literature as well as collecting research carried out during 2007-2015 in the East and West-Azarbaijan provinces. The total number of species recorded from Iran is 34 including: Aulacidae (Pristaulacus, 4 species), Evaniidae (Evania, 2 species and Brachygaster, one species) and Gasteruptiidae (Gasteruption, 27 species). Four new records from Iran are added: Brachygaster minutus (Olivier) (Evaniidae); Gasteruption goberti (Tournier), G. henseni van Achterberg and G. undulatum (AbeilledePerrin) (Gasteruptiidae).