A new species of Bak (Acari, Cheyletidae) from Thailand, with a key to species
Gerson, U. and Fain, A.  Notes on two Astigmatic mites (Acari) living in beehives in Thailand
Fain, A. and Gerson, U.  A larval mite (Acarina: Erythraeidae) parasitizing the european honey bee in Guatemala
Southcott, R.V.  The embryonic development of Varroa jacobsoni Oudemans 1904 (Varroinae, Mesostigmata)
Mautz, D.; Hirschmann, W. and Kemnitzer, F.