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Blow flies of the subfamily Calliphorinae (Dipt.: Calliphoridae) were studied in the East Azerbaijan and West Azerbaijan provinces - Iran, during 2017-2018. Six species belonging to three genera were identified of which the genera Bellardia Robineau-Desvoidy, 1863; Cynomya Robineau-Desvoidy, 1830 and four species Bellardia pandia (Walker, 1849); Bellardia viarum (Robineau-Desvoidy, 1830); Bellardia vulgaris (Robineau-Desvoidy, 1830) and Cynomya mortuorum (Linnaeus, 1761) are new records for the Iran insect fauna. A review of Iranian species of the subfamily Calliphorinae is provided.

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The fauna of the subfamily Exoristinae (Diptera, Tachinidae) was studied in northern Iran. A total of 29 species within 26 genera and 6 tribes have been collected and identified. Among them 11 genera and 15 species are newly recorded for Tachinidae fauna of Iran: Admontia blanda (Fallén, 1820), Bessa parallela (Meigen, 1824), Blepharipa pratensis (Meigen, 1824), Ceracia mucronifera Rondani, 1865, Exorista rustica (Fallen, 1810), Gonia ornata Meigen, 1826, Gonia vacua Meigen, 1826,  Medina collaris (Fallén, 1820), Paratryphera barbatula (Rondani, 1859), Neophryxe vallina (Rondani, 1861), Ocytata pallipes (Fallén, 1820), Pachystylum bremii Macquart, 1848, Pales pavida (Meigen, 1824), Phorinia aurifrons Robineau-Desvoidy, 1830, Platymyia fimbriata Meigen, 1824. The collected and distribution data, diagnoses, illustrations of the new records, and host information are provided.

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The present paper contains a review of the tribe Eryciini (Tachinidae: Exoristinae) that occur in Iran. Twenty-six species belonging to 15 genera are reviewed. The collected data on 20 species are provided. Of these, seven genera and 16 species are newly recorded. Distribution and host information are briefly summarized. The diagnostic characters of the new records species are given. The key to the species found in Iran is also provided.