The genus Choeras Mason, 1981 (Hymenoptera: Braconidae, Microgastrinae) in northern Iran is studied taxonomically. Specimens were collected using Malaise traps during 2010 and 2011. A total of five species were identified, three being new species which are described and illustrated: Choeras formosus Abdoli Fernandez-Triana sp. nov., C. fulviventris Fernandez-Triana Abdoli sp. nov. and C. qazviniensis Fernandez-Triana Talebi sp. nov. Two species (i.e., C. taftanensis and C. tiro) are new provincial records. The number of Choeras species in Iran is now raised to seven. An identification key to all West Palaearctic species of Choeras is provided.
Keywords: Hymenoptera, Taxonomy, identification key, distribution, West Palaearctic, new taxa.