One Life-history Strategies.- 1 The life strategies of mites.- 2 Life-history evolution of spider mites.- 3 Life-cycle strategies in unpredictably varying environments: genetic adaptations in a colonizing mite.- 4 The evolutionary transformation of osmotic regulation in the life cycle of freshwater mites (Hydrachnidia).- 5 Development and life-history strategies in mussel mites (Hydrachnellae: Unionicolidae).- Two Reproduction.- 6 Spermatology in the Acari: systematic and functional implications.- 7 The distribution, mechanisms and evolutionary significance of parthenogenesis in oribatid mites.- 8 Indirect sperm transfer in prostigmatic mites from a phylogenetic viewpoint.- 9 Spermatophore deposition in relation to atmospheric humidity among terrestrial Parasitengonae (Prostigmata).- 10 The role of Adlerocystis sp. in the reproduction of argasid ticks.- 11 A scanning electron-microscopy study of spermatogenesis in Pergamasus barbarus Berl. (Gamasida.- 12 Precise sex-ratio control in the pseudo-arrhenotokous phytoseiid mite, Typhlodromus occidentalis Nesbitt.- 13 Sex ratio, fitness and capacity for population increase in Pyemotes tritici (L.-F. and M.) (Pyemotidae).- 14 Preliminary observations of ovoviviparity in the gallforming mite, Aceria caulobius (Nal.) (Eriophyidea: Eriophyidae).- 15 Laboratory observations on duration of copulation and egg production of three phytoseiid species fed on pollen.- 16 Precopulatory mate guarding in the spider mite, Tetranychus cinnabarinus (Boisd.) (Tetranychidae).- Three Diapause, Development and Trophic Relations.- 17 Physiological aspects of diapause in plant-inhabiting mites.- 18 Repeated induction and termination of diapause in the predacious mite, Amblyseius potentillae (Garman) (Phytoseiidae).- 19 Inheritance of photoperiodic responses controlling diapause in the two-spotted spider mite, Tetranychus urticae Koch.- 20 Some observations on diapause in winter eggs of Panonychus ulmi (Koch) (Tetranychidae).- 21 Reproduction, embryonic and postembryonic development of Trichouropoda obscurasimilis Hirschmann and Zirngiebl-Nicol 1961 (Anactinotrichida: Uropodina).- 22 Resource allocation and utilization contrasts in Hypoaspis aculeifer (Can.) and Alliphis halleri (G. and R. Can.) (Mesostigmata) with emphasis on food source.- 23 The influence of different host plants on the reproductive potential of Tyrophagus putrescentiae (Schrank) and Tyrophagus neiswanderi Johnston and Bruce (Acaridae).- 24 The relationship between house-dust mites and fungi.- 25 How plants maintain body-guards: plant exudate as a food source for phytoseiid mites.- Four Systematic, Morphology, Physiology and Behaviour.- 26 Distribution of characters and phylogenetic age - systematic problems in the higher taxa of the Oribatida.- 27 A new approach to the systematics of the genus Steganacarus (Oribatida).- 28 The morphology of the immature stages of Phthiracaroidea (Oribatida).- 29 A new interpretation of the epimeral theory of Grandjean.- 30 A comparison of the sclerotized parts of the reproductive organs of house-dust mites of the genus Dermatophagoides using scanning electron microscopy.- 31 Reproductive systems in Acaridida - some peculiar features.- 32 A respiratory apparatus in eggs of certain mites.- 33 Fine structure and functions of the mouthparts involved in the feeding mechanisms in Cenopalpus pulcher (Canestrini and Fanzago) (Tetranychoidea: Tenuipalpidae).- 34 The alveolar salivary glands of the active phases of trombiculid mites (Trombiculidae).- 35 Pigmentation in water mites of the genera Limnochares Latr. and Hydrodroma Koch (Hydrachnidia).- 36 Biomass studies of water mites of the genera Limnochares Latr. and Hydrodroma Koch (Hydrachnidia).- 37 The saltatory capacity of an oribatid mite.- 38 Thanatosis or feigning death in mites of the family Scutacaridae.- Five Field Studies and Applied Aspects.- 39 The effects of spider-mite feeding on plant performance in relation to biological control.- 40 Dispersio...