(In French) Revision de Leeuwenhoekia verduni (Oudemans, 1910), l espece type de la famille des Leeuwenhoekiidae Womersley, 1945 (Acarina: Prostigmata). - After twenty years of absence, the lost type and unique specimen of Heterotroinbidimn verduni Oudemans, l9IO has recently been recovered. Thanks to Dr. van der Hammen, Curator of the Rijksmuseum of Leiden, I had the privilege to restudy it; also to analyse the status of the genus Leeuwenhoekia Oudemans, 1911, and the relationship with its subgenus Morelacarus V-G., 1974·