Eight species are reported and described from Guadeloupe and Marie Galante: an acarid mite, Tyrophagus putrescentiae (Schrank), two spider mites, Mononychellus planki (McGregor) and Tetranychus desertorum ( Banks), and five new species of Eriophyidae, namely Cosella nudifemoralis, C. spinicauda, Ectomerus triquetrus, Acalitus simplex and Cenaca decorata.