Contributors; Introduction: planthoppers as models for ecological study and effective pest management-- Robert F. Denno and T. John Perfect; Part I: Host plant relationships: Evolutionary patterns of host plant use by Delphacid planthoppers and their relatives-- Stephen W. Wilson, Charles Mitter, Robert F. Denno and Michael R. Wilson; Planthopper/plant interactions: feeding behavior, plant nutrition, plant defense, and host plant specialization-- Anthea G. Cook and Robert F. Denno; Influence of habitat structure on the abundance and diversity of planthoppers-- Robert F. Denno; Part II: Life history patterns, reproductive biology, and speciation: Life history variation in planthoppers-- Robert F. Denno; Reproductive behavior: the role of acoustic signals in species recognition and speciation-- Michael F. Claridge and Peter W. F. de Vrijer; An ecological framework for the study of planthopper mating systems-- James R. Ott; Part III: Population ecology: Density-related effects on the components of fitness and population dynamics of planthoppers-- Robert F. Denno, Jiaan Cheng, George K. Roderick and T. John Perfect; Rice planthopper population dynamics: a comparison between temperate and tropical regions-- T. John Perfect and Anthea G. Cook; Long-distance migration in Delphacid planthoppers-- Ryoiti Kisimoto and L. Jane Rosenberg; Part IV: Species interactions and community structure: Predator-planthopper interactions-- Hartmut G. Dobel and Robert F. Denno; Parasitoid interactions and their contribution to the stabilization of Auchenorrhyncha populations-- James T. Cronin and Donald R. Strong; Transmission biology, vector specificity, and evolution of planthopper-transmitted viruses-- Lowell R. Nault; Interspecific interactions and community structure in planthoppers and leafhoppers-- Peter D. Stiling; Part V: Ecological approaches to planthopper management: Biological control in the management of planthopper populations-- Betty Benrey and William O. Lamp; Genetics of host plant adaptation in Delphacid planthoppers-- George K. Roderick; Impact of insecticides on the resistance and resurgence of rice planthoppers-- Elvis A. Heinrichs; Judicial use of insecticides deters planthopper outbreaks and extends the life of resistant varieties in Southeast Asian rice-- Kevin D. Gallagher, Peter E. Kenmore, and Kazushige Sogawa; Status and prospects for an integrated approach to the control of rice planthoppers-- J. Daniel Hare; Part VI: Definition and implementation of management options: A systems approach to planthopper population dynamics and its contribution to the definition of pest management options-- Jiaan Cheng, Johnson Holt, and Geoff A. Norton; Extension of integrated pest management for planthoppers in Asian irrigated rice: empowering the user-- Patricia C. Matteson, Kevin D. Gallagher and Peter E. Kenmore; References; Taxonomic index; Subject index.