Olfactory responses of Phytoseiulus persimilis to rose plants with or without prey or competitors
  Halacarus ctenopus Gosse, 1855 (Acari, Halacaridae), description of the neotype
  An association of phaneres, probably constituting a novel system of acoustic communication in mites
  A review of the species of Phytoseiidae (Acari, Gamasina) described by A.C. Oudemans