#tick  any of two families of small parasitic arachnids with barbed proboscis; feed on blood of warm-blooded animals
  supertype:  #acarine  mite or tick
  member of:  #order_Acarina
  subtype:  #hard_tick__ixodid  ticks having a hard shield on the back and mouth parts that project from the head
     subtype:  #Ixodes_dammini__deer_tick  a northeastern tick now recognized as same species as Ixodes scapularis
     subtype:  #Ixodes_neotomae  a tick that usually does not bite humans; transmits Lyme disease spirochete to dusky-footed woodrats
     subtype:  #Ixodes_pacificus__western_black-legged_tick  feeds on dusky-footed woodrat and bites humans; principal vector for Lyme disease in western United States especially northern California
     subtype:  #Ixodes_scapularis__black-legged_tick  parasitic on mice of genus Peromyscus and bites humans; principal vector for Lyme disease in eastern United States (especially New England); northern form was for a time known as Ixodes dammini (deer tick)
     subtype:  #sheeptick__ixodesricinu  parasitic on sheep and cattle as well as humans; can transmit looping ill in sheep (acute viral disease of the nervous system); a vector for Lyme disease spirochete
     subtype:  #Ixodes_persulcatus  bites humans; a vector for Lyme disease spirochete
     subtype:  #Ixodes_dentatus  usually does not bite humans; transmits Lyme disease spirochete to cottontail rabbits and woodrats
     subtype:  #Ixodes_spinipalpis  usually does not bite humans; transmits Lyme disease spirochete to cottontail rabbits and wood rats
     subtype:  #wood_tick__American_dog_tick__Dermacentor_variabilis  common tick that can transmit Rocky Mountain spotted fever and tularemia
  subtype:  #soft_tick__argasid  tick lacking a dorsal shield and having mouth parts on the under side of the head

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