Descriptions and observations on the genera Ptergosoma, Geckobia and Hirstiella (Acari: Actinedida)
  Notes on the genera Zonurobia, Ixodiderma and Scaphothrix (Acari, Pterygosomidae)
  Two Trombiculidae of Viverrina of Transvaal
  Revision of the genus Herpetacarus Vercammen-Grandjean, 1960 (Trombiculidae, Acarina)