Comparison of two species of mites of the same genus, Riccardoella associated with Mollusks
  Riccardoella (Proriccardoella) triodopsis nov. spec. (Acari, Ereynetidae) from the USA
  The mites of the genus Riccardoella Berlese, 1923 Parasitic inside the lung of the terrestrial Mollusca Gasteropoda Pulmonata
  Studies on the mite Riccardoella eweri (Lawrence) parasitic on the Egyptian toad Bufo regularis Reuss