Acknowledgements. Preface. Foreword. Introduction. Aphids and other plant bugs (Hemiptera). Thrips (Thysanoptera). Caterpillars (of butterflies, moths and sawflies) (Lepidoptera and Hymenoptera: Symphyta). Beetles (Coleoptera). Flies (Diptera). Wasps (Hymenoptera: Apocrita). Mites (Acari). Other arthropods (Myriapoda and Crustacea). Nematodes (Eelworms; Nematoda). Molluscs (Mollusca). Appendix A: Leaflet titles listed alphabetically. Appendix B: Leaflet titles listed alphabetically under major host crops. Index of pest and beneficial invertebrates (also diseases of pests). Index of plants. Index of plant diseases and pathogens.