A revised checklist to the species of Psylloidea (Hemiptera) from Iran is presented based mainly on literature records, along with some new information on host plant data, distribution and natural enemies. The list includes 95 identified species 26 genera of 5 families, of which one species, Cacopsylla ambigua (Foerster), is newly recorded for the Iranian fauna and five species are only provisionally identified. Another eight species have been listed for Iran that are identified only to genus. The families Aphalaridae and Homotomidae with 27 and 2 species are the most and the least species-rich families, respectively. The predatory mite Erythraeus (E.) garmasaricus Saboori et al. (Acarina: Trombidiformes: Erythraeidae) is reported for the first time from psyllids.

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