Ticks are obligate,blood-feeding ectoparasites which usually parasitize mammals,birds and reptilia,and are among the mos......

Dermacentor silvarum,distributed widely in china,can carry and transmit various pathogens and pose serious damages to pu......

　　Ticks are obligate blood sucking ecto-parasites,which can transmit a great variety of pathogens to hosts,and hence b......