Tehran University of Medical Sciences Iranian Journal of Parasitology 1735-7020 9 4 2014 12 15 594 596 EN Emad Amanatfard Young Researchers Club, Islamic Azad University, Babol Branch, Babol, Iran. Mohammad Reza Youssefi Department of Veterinary Parasitology, Faculty of Veterinary Medicine, Islamic Azad University, Babol Branch, Babol, Iran. Alireza Barimani Young Researchers Club, Islamic Azad University, Babol Branch, Babol, Iran. 2015 10 14 Ophionyssus natricis is a purely blood sucking parasite of snakes and of worldwide distribution. Infected snakes often exhibit lethargy, pruritus, crusting dermatitis,and behavioral changes. Ophionyssus natricis can also attack humans, causing popular vesiculo-bullous eruption of the skin. A 29 years old man working in zoo,Sari, Mazandaran, Iran, presented itchy papullar eruption of the skin. He had noticed small insects fixed on his skin and large numbers of these same insects on a python and its cage in the zoo. Regarding totheir morphological characteristics they were diagnosed as O. natricis (Geravis, 1844), a snake mite. It is the first report of O. natricis from Iran. https://ijpa.tums.ac.ir/index.php/ijpa/article/view/360 https://ijpa.tums.ac.ir/index.php/ijpa/article/download/360/387