Afrotropical Eriophyoidea: on some species of the subfamily Nothopodinae (Acari: Eriophyidae)
  Some stigmaeid mites from South Africa (Acari: Trombidiformes)
  A new species of Listrophorus from Mus musculus in Hawaii (Astigmata: Listrophoridae)
  Thrombella natalensis n. sp. (Thrombidiidae: Thrombellinae)
  Studies on South African Oribatei (Acarina)
  Nothrothrombidium ornatum n. sp. (Thrombidion: Thrombellini) from austral Africa
  The genus Trombicula and its subgenus (Trombiculidae - Acarina)