Sexual dimorphism and behaviour for two new saxidromidae (Acari, Alycina) genera from South Africa
  The evolution of life histories in Parasitengona (Acari: Prostigmata)
  Feeding tests of grassland soil-inhabiting gamasine predators
  Differences in nymphs of Amblyomma triguttatum triguttatum Koch moulting to males or females
  Life history and life tables of Rhizoglyphus robini Claparede (Acari: Astigmata: Acaridae)
  Effect of food on the biology of Cheletogenes ornatus (C. and F) (Acari: Prostigmata: Cheyletidae)