New insights into the systematics of Parasitiformes (Acarina) with new species from South America
  Origin and classification of the Ixodides (ticks) within the Parasitiformes Reuter, 1909 (Acarina)
  The predatory mite family Leptolaelapidae Karg (Acarina, Parasitiformes)
  New species of predatory mites of the genus Gamasiphis Berlese, 1904 (Acarina, Parasitiformes)
  New species of predatory mites of the genus Pseudoparasitus Oudemans, 1902 (Acarina, Parasitiformes)