Contribution to the knowledge of the oribatid fauna from Argentina. Nacunansella diminuta n. gen., n. sp
  Contribution to our knowledge of the genus Scapheremaeus inhabiting epiphytic plants. I. Scapheremaeus tillandsiae sp. n.
  The mites (Oribatei) of the arid zones of Argentina. 2. Huilichevemaeus michaii, n. gen., n. sp.
  Acari (Oribatei) from arid zones in Argentina. 1. Eremaeozetes araucana n. sp.
  The genus Pedrocortesella Hammer, 1961, in the Republica of Argentina. II. Pedrocortesella monicai and Pedrocortesella tristius new species