Ticks of the order Ixodida are among the most proficient ectoparasites worldwide.
Haemaphysalisis the second largest genus within Ixodidae. Southeast Asia is thought to be the original center of development and dispersal of the genus. Six species of Haemaphysalis, H. concinna, H. erinacei, H. inermis, H. parva, H. punctata and H.
sulcata, have been recorded as occurring in Iran. The current paper deals with notes on taxonomy ofH. erinacei and provides a provisional key for the identification of Haemaphysalisspecies that occur in Iran.