Ptilonyssus constrictus, a new species of avian nasal mite (Acarina, Rhinonyssidae)
  Observations on Hirstiella insignis (Berlese)
  New adult Trombidium (Euthrombidinm asiaticum) from central Mongolia
  New form of Podothrombium (P. diversum n. sp.) from South America
  Chiggers of Peru (Acarina: Trombiculidae)
  New observations on Oribatid mites (first serie)
