The Thysanoptera fauna of Iran are still very incompletely known. As a result of the study of thrips fauna in different localities of Khorasan-e-Razavi province during 2012-2014, a total of 45 species in 20 genera and 3 families are recorded for this area. Among them, 43 species are newly recorded for the fauna of this province; and Pezothrips dianthi is newly recorded for the fauna of Iran. This is the second species of the genus Pezothrips which is recorded from Iran. Distribution in Iran and world distribution are presented for all the species as well as some taxonomic notes for the newly recorded species. Khorasan-e-Razavi is a large province with various geographical elements, hence it is expected that a there are still a large number of thrips species remain to be discovered in various parts of this province.

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