New species of Oripodoidea (Acari, Oribatidae) from Central Ethiopia
  Contribution to the taxonomy of the West-African Rotundabaloghiidae (Acari: Uropodina)
  A new subgenus and two new species of oribatid mites (Acari, Oribatida) from Madagascar
  Two new species of Cavernocepheus (Acari, Oribatida, Otocepheidae) from Malawi
  Ptyctimous mites (Acari, Oribatida) of Tanzania
  Ptyctimous mites (Acari, Oribatida) of Madagascar and neighbouring islands
  On some new or little known species of parasitic Cheyletidae (Acari: Prostigmata)
  Afrotropical Eriophyoidea: on some species of the subfamily Nothopodinae (Acari: Eriophyidae)
  Three new Trombiculidae Acarina from Senegal
  A Riedlina sensu stricto of Kenya (Acarina: Trombiculidae)
  Ascoschoengastia annulata Lawrence 1949 , a real Schoutedenichia (Trombiculidae)
  Pteridopus n. g. (Acari, Johnstonianidae) and a probable auditory organ in a mite
  Revision of the genus Grallobia Hull and Grallolichus Gaud (Pterolichidae, Sarcoptiformes)
  Nothrothrombidium ornatum n. sp. (Thrombidion: Thrombellini) from austral Africa
  A second species of Aetholaelaps from a Malagasy lemur (Acarina, Laelapidae)
  The genus Trombicula and its subgenus (Trombiculidae - Acarina)
  The nymph of Schoutedenichia (Pentachia) lorgei Verc-Grandj. 1958 (Trombiculidae)
  A Schoutedenichia, intranasal parasite of the African hare (Trombiculidae - Acarina)
  A review of the Chirodiscinae with descriptions of new taxa (Acarina: Listrophoridae) (1st series)
  A new genus of acarids, intermediate between Psoroptes and Chorioptes (Psoroptidae: Sarcoptiformes)
  Some Oribatei from Ghana. XI. The genus Epilohmannia Berlese 1916
  Two new species of Laelaps (Acarina, Laelaptidae) from Brazzaville (Congo)
  Some Oribatei from Ghana. X. The family Lohmannidae
  Some Oribatei from Ghana. IX. The genus Tetracondyla Newell 1956 (2nd series)
  A new Sudanese species of Erythraeus Latreille 1806: (E. nigritiensis n. sp.)
  Some Oribatei from Ghana. VIII. The genus Tetracondyla Newell 1956 (1st series)
  Description of Ornithodoros (Reticulinasus) madagascariensis n. sp. (Ixodoidea, Argasidae)
  On some Thrombididae from the outskirts of Brazzaville
  Notes on some Rhinonyssides (Mesostigmata)
  Six new genus of Sarcoptiformes feather mites (Analgesoidea)
  Some Oribatei from Ghana. III. Two new species of the genus Allonothrus (Van der Hammen)
  Sarcoptid feather mites parasite of Ostriches
  Notes on Trombiculidae (Acarina) from Brazzaville. Description of three new species
  Study on a collection of Trombiculidae from occidental Africa
  A review of Trombiculidae from Cameroun and a description of eight species and subspecies