Preface. Foreword. Part 1: Palaeontology. 1. Palaeontology of Leaf Beetles; J. Santiago-Blay. Part 2: Larvae and Larval Biology. 2. Eggs and oviposition in Chrysomelid Beetles; B.J. Selman. 3. Egg Bursters in the Chrysomelidae, with a Review of their Occurrence in the Chrysomeloidea (Coleoptera); M.l. Cox. 4. Origins of Parental Care in Chrysomelid Beetles; D.M. Windsor, J.C. Choe. 5. Larvae of Palaearctic Timarcha Latreille; W.R. Steinhausen. Part 3: Trophic Selection. 6. Hypotheses on Oligophagy: How far the Case of the Colorado Potato Beetle supports Them; T. Jermy. 7. The Chemosensory Basis of Host-Plant Recognition in Chrysomelidae; B.K. Mitchell. 8. Chemical Ecology of Diabrocites; R.L. Metcalf. 9. Entomophagy in Chrysomelidae: Adult Aristobrotica angulicollis (Erichson) Feeding on Adult Meloids (Coleoptera); A. Mafra-Neto, P. Jolivet. 10. Pollen Consumption and Digestion by Leaf Beetles; G.A. Samuelson. 11. Host Plants and Seasonal Abundance Patterns of Some Brazilian Chrysomelidae; L. Medeiros, J. Vasconcellos-Neto. 12. Review of the Biology and Host-Plants of Australian Chrysomelidae (Coleoptera) Associated with Acacia (Mimosaceae); T.J. Hawkeswood. 13. Host Plants of Neotropical Cassidinae; Z.J. Buzzi. Part 4: Genetics and Evolution. 14. Genome Size, Chromosomes and Egg-Chorion Ultrastructure in the Evolution of Chrysomelidae; E. Petitpierre. 15. Cytogenetics of Cassidinae; Evolution of Sex Chromosome Systems; A.I. PostiglioniKudrason. 16. Genetics of the Colorado Potato Beetle, Leptinotarsa decemlineata (Say); G. Boiteau. 17. Molecular Techniques for Studying Systematics and Phylogeny of Chrysomelidae; Ting H. Hsiao. 18. Genetic and Phylogenetic Aspects of Host Plant Affiliation in Ophraella (Chrysomelinae: Galerucinae); D.J. Futuyma. 19. Sympatric Speciation in Galerucella; C. Nokkala, S. Nokkala. Part 5: Defense Mechanisms. 20. Egg Deposition and Protection of Eggs in Chrysomelidae; M. Hilker. 21. Antipredator Devices in Larvae of the Chrysomelidae. A Unified Synthesis for Defensive Eclecticism; M.S. Blum. 22. Chemical Defense of Adult Leaf Beetles Updated; J.M. Pasteels, M. Rowell-Rahier, J.-C. Braekman, D. Daloze. 23. Cycloalexy among Chrysomelid Larvae; J. Vasconcellos-Neto, P. Jolivet. 24. Waste Products as Chrysomelid Defenses; K.L. Olmstead. 25. Stridulation in Leaf Beetles (Coleoptera Chrysomelidae); M. Schmitt. 26. Chrysomelid Behavorial Counterploys to Secretive Canals in Plants; J.X. Becerra. 27. Physiological Colour Changes in Tortoise Beetles; P. Jolivet. Part 6: Anatomy and Reproduction. 28. Comparative Morphology of the Hindwing Venation of the Chrysomelidae (Coleoptera); K. Suzuki. 29. 'Retournement' of the Aedeagus in Chrysomelidae (Coleoptera); K.K. Verma. 30. The Female Organs of Symbiont Transmission in the Eumolpinae; M. Becker. 31. Unusually Large Sperm Cells in Alticinae: