Redescription of the female of bumblebee-associated gamasid mite Proctolaelaps sibiriensis (Davydova, 1988) (Acari: Mesostigmata: Melicharidae) from North Asia
  Deutonymphs of Parasitellus phoretic on Danish bumblebees (Parasitidae, Mesostigmata; Apidae, Hymenoptera)
  On the biology of Scutacarus acarorum Goeze (Acarina: Trombidiformes)