The spiracle glands in Ixodes ricinus (Linnaeus, 1758) (Acari: Ixodidae)
  Four new species of Antricola ticks (Argasidae: Antricolinae) from bat guano in Cuba and Curacao
  Morphological observations on the formation of the spiracle of Argas persicus (Oken) (Acarina, Metastigmata, Argasidae) during molting