Contribution to the knowledge of the oribatid mite genus Gittella (Acari, Oribatida, Oppiidae), with description of a new species from Peru
  New faunistical and taxonomic data on oribatid mites (Acari: Oribatida) of Ethiopia, with description of two new species of the superfamily Oripodoidea
  Additions to the oppioid oribatid mite fauna of Peru (Acari, Oribatida, Oppioidea)
  New species and records of Galumna (Acari, Oribatida, Galumnidae) from Peru