From parataxonomy to molecular data: the case of Rhagidiidae (Acari) from Belgian soils
  A newl larva of Leptus Latreille, 1796 (Acari, Erythraeidae) parasitic on a Lepidopteran in Belgium
  Tydeinae (Acari, Tydeidae) from Belgium. 2. The genera Tydeus, Idiolorryia, and Metalorryia
  Notes on Harpyrhynchidae. Description of four new species (Acarina: Prostigmata).
  Contribution to the ecological study of house dust mites
  Two new species of the genus Ereynetes from Belgium (Acarina: Trombidiformes)
  Description of seven new species of the family Cytoditidae (Sarcoptiformes)
  Ptilonyssus sturnopastoris sp. nov., parasite of an asiatic bird (Rhinonyssidae: Mesostigmata)
  Psoric mites parasitic on bats. XIII The family Demodicidae Nicolet