Observations on parasitism, development and phenology of Johnstoniana tuberculata Schweizer 1951 (Acari, Parasitengonae, Johnstonianidae) including a redescription of all active instars
  Studies on parasitism, development and phenology of Johnstoniana parva n. sp. (Acari, Parasitengonae, Johnstonianidae) including a description of all active instars