Ixodes persulcatus

the taiga tick, a species found in various parts of Europe and across Asia to Japan, parasitic on ruminants and sometimes other mammals. In humans it is the primary vector for Russian spring-summer encephalitis and sometimes a vector for Lyme disease. In sheep it is a vector for louping ill. In a variety of animals it is a vector for anaplasmosis, babesiosis, and tularemia.