Scorpions of Iran (Arachnida: Scorpiones): Annotated checklist, DELTA database and identification key

An updated checklist of the scorpiofauna of Iran is presented. The checklist is based on records of scorpion species which their presence have been confirmed in Iran through field expeditions, examination of scorpion collections, literature review, and personal communications with researchers. According to the presented checklist the scorpion fauna of Iran consists of 68 valid species (41 endemic to Iran) belonging to 19 genera and four families and 6 doubtful reports (belong family Buthidae). Hemiscorpius gaillardi (Vachon, 1974) and Compsobuthus jakesi Kovařík, 2003 reported for the first time from Hormozgan province. Odontobuthus tavighiae Navidpour et al., 2013 collected for the first time from Fars province. Kraepelinia palpator (Birula, 1903) and O. tirgari Mirshamsi et al., 2013 were new record for South Khorasan province fauna. The list is dominated by members of the family Buthidae (58 species) with 85.3% of total species. The level of regional endemism exceeds 60.3%. A dichotomic identification key to the Iranian species on the basis of a DELTA database has been provided.