parasitiform tick from order ixodidae, blood-sucking parasites of vertebrates on danger sign , acariformes, carrier of dangerous

mite ixodidae tick acariformes bloodsucking parasites encephalitis dangerous danger parasitic arachnid ectoparasite vectorborne diseases lyme disease tickborne infestation removal bite prevention control infections lifecycle habitat pathogens fever zoonotic animal veterinarian infection veterinary surgery treat infected invasion vet closeup parasite virus epidemiology risk research diagnosis ecology transmission gemeiner holzbock parasitiform from order blood-sucking vertebrates sign carrier tick-borne strategies