lyme disease-carrier ixodes tick dermacentor marginatus on human skin.

acari acarus animal arachnid blood borreliosis bug close-up closeup danger dangerous dermacentor disease disease-carrier dog encephalitis female francisella human infection insect isolated ixodes ixodid ixodida ixodidae lyme macro marginatus mite nature parasite parasitic pasture pest ricinus skin tick ticks tularensis virus