?? ?????????? ?????????? R. sanguineus (Latreille, 1806) ???????????????? ?????????????????????? ?????? ???????????????????? ??????????????????????, ???????????????????? ?? ???????????????????? ??????????????, ?????????????????????????????????? ???????????? ?????????????? ????????????????. ?????????????????? ???????????????????????????? R. sanguineus ???????????????? ???????????????? ?? ???????????????? ????????????, ???????????????????????? ?????????????? ?????????????????? 50???70 ?? ???????? 100%. ???????? ???????? ???????? ???????????????????????? ???? ??????????????, ?????????? ?? ??????????. ?? ???????????????? ?????????????????????????? ?????????????????????? ?????????????????? ?????????? ???????????????? ???????????????????? ?????? (Erinaceus concolor Martin). R. sanguineus ???????????? ???????????????????????? ???????? ?? ???????????????????????????????? ?????????????????? ?? ???????????????? ???????????????????????????????? ???????????? ?????????????????????? ?????????????????? ?? ??????????.

In Crimea, the range of R. sanguineus (Latreille, 1806) takes practically all the peninsula, dominating in coastal areas, which are characterised by a soft marine climate. Main host R. sanguineus are pet and roving dogs, the contamination which one reaches 50???70 and even 100%. Less often this tick parasitizes neat, goats and sheep. The hedgehogs (Erinaceus concolor Martin) are recorded as the hosts of the brown dog tick. R. sanguineus plays a determining role in natural and especially in anthropogenic of the nidus of the Marseilles fever in Crimea.