New and little known species of Trichonyssus Domrow (Acari: Dermanyssidae)
Domrow, R.  Life history of the predatory mite Cheyletus malaccensis (Oudemans)
Saleh, S.M.; El-Helaly, M.S. and El-Gayar, F.H.  Two new species of Trichoecius (Astigmata, Myocoptidae) parasites from Arvicolidae in Spain
Portus, M. and Gallego, M.  System of the Phthiracaroidea (Oribatida, Euptyctima)
Niedbala, W.  The respiratory taenidia of Oribatid mites
Trave, J.