Preface. Presidential address; F. Bernini. As time goes by: a profile of Italian Acarology; S. Ragusa. Phylogeny, Genetics and Speciation. Mites as models in development and genetics; R.H. Thomas. Speciation and biogeography in eriophyid mites: a review; B. Fenton. Mitochondrial DNA variation and phylogeography of Steganacarus on Tenerife (Canary Islands); N. Salomone, F. Bernini. Preliminary report on fossil oribatid mites from the Florisbad Quaternary Research Station, South Africa; L. Coetzee. An Early Ordovician oribatid mite (Acari: Oribatida) from the island of Oland, Sweden; F. Bernini, et al. Genetic Polymorphism in prey preference at a small spatial scale: a case study of soil predatory mites (Hypoaspis aculeifer) and two species of astigmatic mites as prey; I. Lesna, M.W. Sabelis. Experimental hybridization of Rhizoglyphus robini and R. echinopus (Acari: Acaridae). Morphology, Life Strategies and Physiology. Water Inhabiting Mites. The water mites (Acari, Hydrachnidia) of a little disturbed forest stream in southwest Germany -- a study on seasonality and habitat preference, with remarks on diversity patterns in different geographical areas; R. Gerecke. The biodiversity of Neotropical water mites; T. Goldschmidt. Life history strategies of Hygrobates nigromaculatus, a widespread palaearctic water mite (Acari, Hydrachnidia, Hygrobatidae); P. Martin, C. Davids. The impact of human activity on the water mite fauna (Acari, Hydrachnidia) of the `Lasy Janowskie' Landscape Park (South-Eastern Poland); R. Stryjecki. The occurrence of water mites (Hydrachnidia, Acari) in saline waters from a stone coal-mine in Bogdanka (South-Eastern Poland); W. Kowalik. Soil Inhabiting Mites. Reproductive systems of gamasid mites (Acari, Anactinotrichida) reconsidered; G. Alberti. Morphological variability between and within populations of Tectocepheus (Acari, Oribatida, Tectocepheidae) from the velatus-complex in central Europe; G. Weigmann. Endogynium types in Parasitidae as revealed by SEM (Acari: Gamasida: Parasitina); W. Witalinski, K. Borsuk. Colonization of primary sterile soils by epedaphic gamasina mites; A. Christian. Colonization of a dolomitic dump by mesostigmatid mites (Acari, Mesostigmata); G. Madej, P. Skubala. Zoogeographical survey on the Phthiracaroidea (Acari, Oribatida) of the Ethopian region; W. Niedbala. The occurrence of Macrocheles mites (Acari: Macrochelidae) in relation to the activity of dung beetles: a field study in Southern France; H. Glida, M. Bertrand. Development of oribatid mite communities (Acari, Oribatida) on a mine dump; P. Skubala. Parasitic Mites. Three-dimensional structure of the gut system of the mites Ameronothrus lineatus (Oribatida: Ameronothridae) and Hyadesia fusca (Astigmata: Hyadesiidae); J. Bucking. Ultrastructural investigations of Haller's organ in Dermacentor reticulatus (Fabr.) (Acari: Ixodida: Ixodidae); A. Buczek, et al. Morphologic adaptations to parasitism on reptiles: Pterygosomatidae (Prostigmata: Raphignathina); M. Bertrand. Plant Inhabiting Mites. Fine Structure of the phytoseiid-type sperm access system (Acari, Gamasida, Phytoseiidae); G. Alberti, A. Di Palma. Fine morphology of the bothridial receptor organs of Pediculaster mesembrinae (Acari: Siteroptidae) adult female; E. de Lillo, P. Aldini. Fine structure of a putative pedipalpal thermo/hygrosensillum in Tarsonemus nodosus Schaarschmidt, 1959 (Acari: Tarsonemidae); G. Nuzzaci, et al. Mouthparts of Tarsonemus nodosus Schaarschmidt, 1959 (Acari: Tarsonemidae): fine structure and functional morphology; G. Nuzzaci, et al. Applied Acarology: Agricultural and Ecological Aspects. Some future prospects in Agricultural Acarology, with focus on phytoseiid mites -- host plant relationships; S. Kreiter, M.-S. Tixier. Mite communities on linden trees (Tilia sp.) in an urban environment; D. Kropczynska, et al. Effect of prey density on functional and numerical responses of the predatory mite Typhlodromus negevi (Acari: Phytoseiidae); A.H. Rasmy, G.M. Abou-Elella. Dietary influence on life history and predation of the phytoseiid mite, Amblyseius deleoni (Acari: Phytoseiidae); A.H. Rasmy, et al. Dispersion of Amblyseius andersoni (Chant) (Parasitiformes, Phytoseiidae) on grapevines and hazelnut near apples and peaches in the province of Caserta (Southern Italy); M. Nicotina, E. Cioffi. How can molecular data contribute to the analysis of the colonization of vineyards by Kampimodromus aberrans (Acari: Phytoseiidae); M.-S. Tixier, et al. Interspecific predation and cannibalism in four phytoseiid species of the Mediterranean area (Acari: Phytoseiidae); M. Castagnoli, et al. Effects of Neem oil (Azadirachta indica A. Juss) on Tetranychus urticae Koch (Acariformes, Tetranychidae) in laboratory tests; H. Tsolakis, et al. Influence of different types of grass mulching on the communities of Oribatid mites in the vineyards; R. Nannelli, S. Simoni. Phytoseiid mites -- pollen relationships: observations in a vineyard and the surrounding vegetation; C. Duso, et al. Influence of carmine spider mite Tetranychus cinnabarinus Boisd. (Acarida: Tetranychidae) feeding on ethylene production and the activity of oxidative enzymes in damaged tomato plants; M. Kielkiewicz. Changes in the content of soluble sugars in leaves of cucumber plant infested with Tetranychus urticae Koch and treated with plant growth promoting rhizobacteria (PGPR); A. Tomczyk. Applied Acarology: Medical and Veterinary Aspects. Adaptation of mites and ticks to parasitism. Medical and veterinary aspects; F. Dusbabek. Comparison of rabbit skin changes after feeding of Ixodes ricinus (L) and Dermacentor reticulatus (Fabr.); A. Buczek, et al. House-dust mite infestation in temporary prefabricated homes in Central Italy; A. Mansi, et al. Observations on the spread of Pyemotes ventricosus (Prostigmata: Pyemotidae) in houses in Umbria, Central Italy; M. Principato. Linden-leaf morphology and the host-plant susceptibility to Eotetranychus tiliarium (Hermann) (Acarida: Tetranychidae); B. Czajkowska, M. Kielkiewicz. In vitro effects of ivermectin on adult and developmental stages of two species of blood feeding arthropods; S.R. Allam, et al. Index.