مطالعه نحوه پراکندگی جغرافیایی کنه های سخت گونه های مختلف جنس ایگزودس در استانهای شمالی کشور

A study on geographical distribution of different species (Ixodidae:lxodes)in northern parts of Iran by: M.A Goudarzi B.SC.,(M.S.P.H) Lyme borreliosis is a multisystem illness caused by the tick borne spirochete ,Borrelia burgdorferi The primary vectors of the disease are certain closely related ixodid ticks , specially Ixodes ricinus. (Acarina : Ixodidae ). During the period of 1994 to 1996 in eight trips to northern parts of Iran totally 601 tick specimens were collected and identified , Results were taken and are shown in tables Ixodes ricinus ticks were collected from cities of northern provinces of Iran (Fouman and tonekabon ) during the tate of summer to middle of fall The host is preffered to be cattle for Ixodes ricinus It is to be noted that Boophilus annulatus is prevalent tick during summer in Gilan (Fouman), and Rhipicephalus bursa is also found to be dominant in Mazendaran region.