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flått, kinnflått, skaumann, hantikk, skogbjørn, tick, Ixodidae, midd, bildet tatt med Scanning Electron Microscope (SEM) Tick is the common name for the small arachnids in superfamily Ixodoidea that, along with other mites, constitute the Acarina. Ticks are ectoparasites (external parasites), living by hematophagy on the blood of mammals, birds, and occasionally reptiles and amphibians. Ticks are vectors of a number of diseases, including Lyme disease, Q fever, Colorado tick fever, tularemia, tick-borne relapsing fever, babesiosis, ehrlichiosis and Tick-borne meningoencephalitis, as well as anaplasmosis in cattle and canine jaundice.
Young ticks have six legs, and mature ticks have eight legs. They vary in size and appearance depending on the species